Budgeting & Personal Finance
Household money management — budgets, savings goals, expense analysis, income optimisation and financial planning by life stage.
Household money management. Zero-based and percentage budgets, emergency fund targets, savings goals and timelines, expense breakdowns and subscription audits, take-home pay and paycheck allocation, and cash-flow forecasting month by month.
The life-stage tools cover the transitions where budgets break: a first job, a new baby, a single income, a move, a retirement handover. Couples finance handles proportional splitting and shared-versus-separate accounts.
Loans, investing, tax and insurance are deliberately separate hubs — they are different purchase intents and different competitive fields, and merging them would recreate the thin-page problem at larger scale.
173 calculators in 5 sections.
Matches are ranked by relevance. Use CtrlK anytime to search the full site.
Budgeting & Zero-Based Planning
Monthly budgets, category allocation, envelope systems and expense analysis.
Tip Calculator
Quickly calculate the tip amount and split the bill among any number of people.
Tip Splitter Calculator
Split the bill and tip evenly among multiple people. Calculate how much each person should pay including tip.
Savings Goal Calculator
Find out how much you need to save each month to reach your savings goal. See how interest helps you get there faster.
Net Worth Calculator
Calculate your net worth by listing your assets and liabilities. Track your financial progress over time.
Emergency Fund Calculator
Calculate how much you need in your emergency fund and how long it will take to build one. Experts recommend 3-6 months of expenses.
Inflation Calculator
See how inflation erodes purchasing power over time. Calculate the future cost of goods and what your money will really be worth.
Cost of Living Comparison
Compare cost of living between any US cities, states, or ZIP codes. See salary equivalents, category-by-category breakdowns, tax differences, and what you'd need to earn to maintain your lifestyle.
Savings Interest Calculator
Calculate how much your savings will grow with compound interest and regular deposits. See future value and total interest earned.
Currency Converter
Convert between currencies using live exchange rates. Useful for international transactions and travel planning.
Budget & Cash Flow Planner
All-in-one budget planner with cash flow, net worth, emergency fund, and savings goal tracking.
50/30/20 Budget Calculator
Apply the 50/30/20 budgeting rule to your monthly income. Split your take-home pay into needs, wants, and savings for a balanced financial plan.
Paycheck Calculator
Estimate your take-home pay after federal tax, state tax, FICA, 401(k), and health insurance deductions.
FIRE Calculator
Calculate your Financial Independence, Retire Early (FIRE) number, timeline, and monthly passive income.
Advanced Tip Calculator
Tip on full bill or on your itemized portion, with per-person split.
Rewards Optimizer
Compare flat cashback vs a card with higher category earn on part of spend.
Grocery Budget
Weekly and monthly grocery estimate from household size and per-person assumptions.
Utility Bill Estimator
Rough electric/gas/water/trash bundle from home size, climate, and occupants.
Cash Envelopes
Split cash across envelope categories; weights normalize to 100%.
Zero-Based Budget Builder
Allocate every dollar of your income to a category until your remaining balance hits zero. The gold standard of intentional budgeting.
Envelope Allocation Calculator
Distribute your income across virtual envelopes by priority. A digital take on the classic cash envelope budgeting system.
Variable Income Budget Calculator
Build a zero-based budget for freelancers and gig workers with fluctuating income. Plan for low, average, and high earning months.
Biweekly Budget Adjuster Calculator
Recalculate your budget for months with 3 pay periods. Biweekly pay gives you 2 extra paychecks per year — plan how to use them.
Budget Surplus Allocator Calculator
Optimize where to direct leftover dollars using a priority-based waterfall: emergency fund, retirement match, high-interest debt, then savings goals.
Irregular Expense Smoother Calculator
Spread annual, quarterly, and bi-annual bills into a predictable monthly amount so irregular expenses never surprise your budget.
Sinking Fund Calculator
Plan monthly contributions for a future expense. Set a target, a deadline, and see exactly how much to save each month.
Cash Flow Timing Calculator
Map your bill due dates against your pay dates. Ensure you have enough cash in each half of the month to cover expenses without dipping into reserves.
Needs vs Wants Calculator
Score and categorize your expenses into needs, wants, and savings. See how your spending compares to the 50/30/20 guideline.
Budget Variance Tracker Calculator
Compare your planned budget to actual spending. Identify which categories are over or under budget and track your overall variance.
Spending Rate Calculator
Track your daily and weekly burn rate within a budget category to see if you're on pace for the month.
Budget Reset Calculator
Recalculate your daily spending budget mid-month when income or expenses change unexpectedly.
Couples Budget Merger
Combine two individual zero-based budgets into a joint household budget with flexible expense splitting.
Budget Percentage Analyzer
See what percentage of your income goes to each category and compare against recommended spending guidelines.
Seasonal Budget Adjuster
Modify your monthly budget for seasonal changes like heating, cooling, holidays, and back-to-school expenses.
Minimum Viable Budget Calculator
Calculate your bare-minimum survival budget — the absolute floor of what you need to cover essentials each month.
Budget Buffer Calculator
Determine the optimal checking account buffer to prevent overdrafts and absorb income/expense variability.
Paycheck-to-Budget Mapper
Split a single paycheck across budget categories and bank accounts so every dollar is assigned before you spend.
Debt Payment Budget Optimizer
Find the optimal debt payment amount within your zero-based budget, balancing debt payoff speed with emergency fund needs.
Savings Rate Maximizer
Calculate your maximum achievable savings rate and estimate years to financial independence at your current pace.
Rollover Budget Calculator
Next month roll for overspent categories.
Budget Sync Calculator
Bank vs budget reconciliation gap score.
Automated Savings Rules Calculator
Automation savings from round-up and percent rules.
Financial Snapshot Dashboard Calculator
Net worth and savings rate snapshot.
Budget Accountability Score Calculator
Adherence score from planned vs actual.
Family Meeting Budget Calculator
Meeting-ready status rollup.
Annual Budget Review Calculator
YoY category trend index.
Budget Template Selector Calculator
Suggested category percentages by income level.
Financial Health Score Calculator
Composite score from fund, debt, savings, insurance.
Budget Gamification Score Calculator
Points and streaks from adherence.
Subscription Audit Calculator
Total up all your recurring subscriptions to see the true annual cost and how many work hours they consume each month.
Cost Per Use Calculator
Divide the total cost of a purchase by expected uses to find the true cost per use and whether it is a good value.
Lifestyle Inflation Detector
Compare your income, expenses, and savings across two time periods to detect lifestyle inflation and its long-term wealth impact.
Impulse Purchase Impact Calculator
See the long-term investment opportunity cost of impulse spending. Discover what your weekly splurges could grow to if invested instead.
Daily Latte Factor Calculator
See how small daily expenses compound over time. Compare cumulative spending to what you could earn by investing the same amount.
Grocery Budget Optimizer
Compare the per-meal cost of groceries vs dining out and see how much you could save by cooking more meals at home.
Transportation True Cost Calculator
Compare the total monthly cost of owning a car vs public transit, rideshare, and biking to find the cheapest option.
Housing Cost Ratio Calculator
Calculate all-in housing costs as a percentage of income and see whether you meet the 30% rule for affordable housing.
Childcare Budget Planner
Calculate total childcare costs including daycare, activities, and supplies. See what percentage of income goes to childcare.
Entertainment Budget Analyzer
Categorize and total your entertainment spending. See what percentage of income goes to fun and how it compares to recommended limits.
Utility Cost Forecaster
Project your utility bills over the next 5 years based on annual rate increases. See total costs and potential savings from reduction.
Insurance Premium Optimizer
Compare total expected costs at different premium and deductible levels. Find the break-even point for switching plans.
Dining Out Budget Calculator
Track restaurant spending including food, tips, drinks, and delivery fees. See your true annual dining cost.
Gift Budget Planner
Plan annual gift spending across all occasions. Calculate how much to set aside each month so gifts never bust your budget.
Clothing Cost Per Wear Calculator
Calculate the true value of clothing by dividing total cost by expected wears. Higher-quality items often cost less per wear.
Streaming Bundle
Compare à la carte streamers vs a bundle price.
Subscription Audit
Sum up to six monthly subscriptions to annual cost.
Income & Cash Flow
Take-home pay, side income, paycheck allocation and cash-flow forecasting.
Side Hustle Break-Even Calculator
Calculate how many hours and months your side hustle needs to break even. Compare your effective hourly rate against your opportunity cost to see if it's truly worth your time.
Overtime vs Second Job Calculator
Compare the net income from working overtime at your current job versus taking on a second job. Factor in tax rates, commute costs, and time to find the better option.
Raise Negotiation Calculator
See the true lifetime impact of a salary raise. Calculate how a percentage increase compounds over your career, including effects on 401(k) matching and total compensation.
Freelance Rate Calculator
Compute the hourly rate you need to charge as a freelancer to hit your desired income. Accounts for self-employment taxes, health insurance, business expenses, and profit margin.
Gig Economy Earnings Calculator
Calculate your true net earnings from gig work like rideshare or delivery. Factor in platform fees, vehicle costs, gas, and self-employment taxes to see your real hourly rate.
Commission Structure Comparator
Compare a flat commission plan against a tiered commission structure. See which pays more at different sales levels and find the break-even point.
Passive Income Goal Calculator
Calculate how much you need invested to generate your target monthly passive income. See your progress toward financial independence and how long it will take to reach your goal.
Income Tax Bracket Optimizer
Find how much room you have in your current tax bracket. Optimize deductions and contributions to minimize your marginal tax rate using 2026 federal brackets.
Bonus Allocation Planner
Optimally split your bonus across emergency savings, debt payoff, retirement, and fun money. See the financial impact of each allocation choice.
Benefits Value Calculator
Monetize the full value of your employer benefits package. See what health insurance, retirement matching, PTO, and other perks are really worth in dollar terms.
Work From Home Savings Calculator
Calculate how much you save by working remotely. Factor in commute costs, meals, parking, wardrobe, and time savings to see the true financial benefit of remote work.
Career Switch Financial Impact Calculator
Compare lifetime earnings between your current career and a potential new one. Factor in transition costs, lost income, and different growth rates to see if a career change pays off.
True Hourly Wage Calculator
Calculate your real hourly wage by dividing take-home pay by total work-related hours including commute, preparation, and expenses. See what you actually earn per hour.
Tax-Loss Harvesting Calculator
Estimate tax savings from selling losing investments. See how realized losses offset capital gains and ordinary income, with wash sale rule awareness.
Multiple Income Stream Optimizer
Balance time across up to three income sources to maximize earnings. Compare hourly rates and see the optimal allocation of your available hours.
Geographic Arbitrage
Rough spending adjustment when moving between cost-of-living indexes (same income).
Net Pay
Simplified take-home from gross using flat withholding buckets (not payroll exact).
Hourly to Annual
Annual gross from hourly rate and schedule.
Overtime Pay
Weekly gross with straight and overtime hours.
Commission Pay
Monthly total from base plus commission on sales.
Min Wage Annual
Full-time-equivalent annual gross from minimum wage.
Weekly Cash Flow Forecast
Project your bank balance week by week for the next 4 weeks. Spot potential shortfalls before they happen and plan around large upcoming expenses.
Bill Calendar Optimizer
Smooth your cash flow by understanding how bills align with your pay schedule. Find the optimal reserve amount and daily spending allowance.
Account Waterfall
Model how your income flows into different accounts. Set percentage-based allocations for bills, savings, investing, and discretionary spending.
Overdraft Prevention
Calculate the minimum checking account balance you should maintain to avoid overdraft fees. Factor in pay timing, bills, and daily spending.
Annual Cash Flow Map
See your full-year cash flow picture including quarterly and annual expenses. Identify your worst months and average monthly net income.
Pay Yourself First
Calculate your automatic savings transfers before bills and spending. Set targets for emergency fund, retirement, and other goals, then see what remains.
Float Management
Optimize payment timing to maximize interest earned. Use credit card grace periods and high-yield savings to earn more on your money between paychecks and bill due dates.
Income Smoothing
Convert irregular or variable income into a stable monthly salary. Enter 6 months of income to calculate a safe baseline and required buffer fund.
Quarterly Tax Set-Aside
Calculate how much to set aside from freelance or self-employment income for quarterly estimated tax payments. Covers federal, self-employment, and state taxes.
Cash Reserve Ratio
Determine the optimal split between cash reserves and invested assets based on your income stability, expense volatility, and risk profile.
Goals & Financial Planning
Savings targets and timelines, planning tools and life-stage budgets.
Emergency Fund Goal Calculator
Calculate how much you need in your emergency fund based on monthly expenses, and see how long it will take to reach your goal with regular contributions.
Vacation Savings Planner
Figure out exactly how much to save each month to fund your dream vacation. Accounts for interest earned on savings along the way.
Wedding Budget Calculator
Estimate your total wedding cost and create a monthly savings plan. See a breakdown of where your budget goes across venue, guests, photography, and more.
Baby Cost First Year Calculator
Estimate the total cost of your baby's first year including diapers, formula, childcare, clothing, medical visits, and gear. See a detailed monthly and annual breakdown.
Home Down Payment Calculator
Calculate how much you need for a down payment and how long it will take to save. See the impact of interest earned in a high-yield savings account.
Car Replacement Fund Calculator
Build a sinking fund for your next car. Calculate monthly contributions needed based on target price, trade-in value, and timeline.
College Savings Gap Calculator
Project your 529 plan balance against future college costs (with inflation) and see if there is a gap. Get the adjusted monthly contribution needed to close it.
Financial Independence Number Calculator
Calculate your FI number based on annual expenses and withdrawal rate. See your current progress and how many years until you reach financial independence.
Coast FIRE Calculator
Find your Coast FIRE number — the invested amount needed today so compound growth alone reaches your retirement goal without further contributions.
Barista FIRE Calculator
Calculate the minimum part-time income you need to cover the gap between investment income and living expenses, including health insurance costs.
Sabbatical Savings Calculator
Plan financially for a career break. Calculate the total cost of a sabbatical including living expenses and health insurance, plus a recommended safety buffer.
Large Purchase Timeline Calculator
See how many weeks or months until you can afford a big purchase based on your weekly savings rate. Accounts for interest earned in savings.
Goal Priority Ranker Calculator
Score up to 3 financial goals by urgency and impact, then get a recommended monthly budget allocation weighted by priority score.
Net Worth Milestone Calculator
Project when you will hit your next net worth milestone based on monthly savings and expected investment returns. See the contributions vs. growth breakdown.
Life Event Financial Planner
Aggregate the costs of major life events — wedding, baby, home, emergency fund, car — into one view with monthly savings targets over 5 and 10 years.
Pay Raise Allocator
Optimally allocate a pay raise across debt payoff, savings, and lifestyle based on your financial situation.
Tax Refund Optimizer
Optimally allocate your tax refund across emergency fund, debt payoff, and investments by priority.
Windfall Allocation Calculator
Optimally split an inheritance, bonus, or settlement across taxes, debt, savings, retirement, and investments.
Expense Reduction Finder
Compare spending by category against benchmarks to find reduction opportunities.
Annual Financial Review Calculator
Year-end financial scorecard tracking net worth change, savings rate, and projecting next year.
Financial Stress Score Calculator
Assess financial stress from debt ratio, emergency fund, savings rate, insurance, and income stability.
Money Date Planner
Couple's financial snapshot with surplus analysis, debt ratio, emergency fund status, and goal timeline.
Kid's Allowance Calculator
Age-appropriate weekly allowance with save/give/spend distribution based on household income.
College Fund vs Retirement Calculator
Optimize the split between college savings and retirement contributions when funds are limited.
Financial Legacy Calculator
Project estate value, estimate estate taxes, and evaluate gifting strategies for inheritance planning.
Advisor Fee Impact
Illustrative ending balance difference from advisory fees vs same gross return without fee drag.
College Student Budget Calculator
Build a monthly budget accounting for tuition, housing, meal plan, income, and financial aid.
New Graduate Budget Calculator
First-job budget with student loan payments, rent, and 50/30/20 allocation on entry-level salary.
Newlywed Budget Merger
Merge two incomes into a joint household budget with proportional contributions and 50/30/20 allocation.
New Parent Budget Adjuster
Adjust your household budget for a new baby including childcare, diapers, health insurance, and income changes.
Single Income Budget Calculator
Budget for single-income households with dependents, childcare costs, and financial vulnerability assessment.
Retirement Budget Planner
Plan retirement spending with Social Security, pension, and portfolio withdrawals using the 4% rule.
Military Family Budget Calculator
Budget with base pay, BAH, BAS allowances, TSP contributions, and tax-free income benefits.
Gig Worker Budget Calculator
Budget for variable income accounting for self-employment tax, quarterly payments, and income floor strategy.
Disability Income Budget Calculator
Budget for SSDI recipients with medical expenses, SGA limit checking, and ABLE account planning.
Divorce Recovery Budget Calculator
Rebuild finances post-divorce with income changes, legal fees, transition costs, and emergency fund timeline.
Cost of Raising Child
Sum of rising annual costs with inflation (illustrative USDA-style midpoint).
Households & Financial Literacy
Splitting costs between partners, money basics and frugal-living trade-offs.
Income Merge Calculator
Compare 50/50 vs proportional income splitting for shared household expenses. See each partner's contribution and remaining personal spending power.
Joint Account Allocation Calculator
Determine how much each partner deposits into a joint account vs keeps in personal accounts. Compare fully joint, partial pool, and fully separate models.
Financial Compatibility Score Calculator
Rate your financial compatibility as a couple across six dimensions: savings habits, spending style, debt tolerance, risk appetite, goal alignment, and communication.
Wedding Finance Planner Calculator
Plan your complete wedding and honeymoon budget. Track venue, catering, photography, and more, then see how much you need to save each month.
New Baby Budget Impact Calculator
Estimate the monthly and first-year financial impact of having a baby, including childcare, supplies, insurance changes, and potential income reduction from parental leave.
Divorce Financial Impact Calculator
Estimate the financial impact of divorce: how your monthly budget, housing costs, and disposable income change when splitting a household. Includes asset division, alimony, and child support.
Partner Debt Payoff Strategy Calculator
Compare avalanche vs snowball strategies for paying off two partner debts together. See how extra payments reduce your timeline and total interest paid.
Dual Income Housing Ratio Calculator
Calculate front-end and back-end debt-to-income ratios for dual-income households. See if your housing costs meet the 28/36 rule and estimate your maximum affordable home price.
Combined Insurance Optimization Calculator
Compare the cost of separate individual insurance policies vs combined family/bundled plans for health and auto insurance. Find your annual savings from consolidating coverage.
Retirement Planning (Couples) Calculator
Project your combined retirement savings from two incomes. See your total nest egg, sustainable withdrawal income, and whether you're on track for your desired retirement lifestyle.
Compound Interest Visualizer Calculator
Visualize how compound interest grows your money over time with the formula A = P(1+r/n)^(nt), including periodic contributions.
Inflation Impact Calculator
See how inflation erodes your purchasing power over time. Calculate future costs and the salary you'll need to maintain your standard of living.
Rule of 72 Deep Dive Calculator
Explore the Rule of 72 and beyond — calculate exact doubling, tripling, and 10x times adjusted for inflation and fees.
Opportunity Cost Calculator
Discover the true cost of spending decisions by calculating what your money could grow to if invested instead.
Time Value of Money Calculator
Calculate future value, present value, and payment amounts using core TVM formulas. Understand why a dollar today is worth more than a dollar tomorrow.
Real vs Nominal Return Calculator
Use the Fisher equation to convert nominal investment returns into real (inflation-adjusted) returns. See what your money actually earns.
Dollar Cost Averaging Simulator Calculator
Compare dollar-cost averaging (DCA) versus lump-sum investing to understand the trade-offs of each strategy over time.
Marginal Tax Rate Calculator
Calculate your marginal and effective federal tax rates using 2026 US tax brackets. See how progressive taxation works.
Effective Tax Rate Calculator
Calculate your true total tax burden across federal, state, FICA, property, and sales taxes. See your real take-home rate.
Financial Ratios Dashboard Calculator
Get a comprehensive personal finance health check. Calculate savings rate, debt-to-income, emergency fund coverage, net worth, and financial independence progress.
Buy vs Rent Item Calculator
Compare the total cost of buying vs renting any item such as tools, formal wear, or equipment. Find your break-even point.
Bulk Purchase Break-Even Calculator
Compare buying in bulk vs regular quantities. Find out if bulk buying actually saves money after factoring in shelf life and waste.
Coupon Stacking Calculator
Calculate your final price after stacking percentage coupons, dollar-off coupons, cashback rewards, and sales tax.
DIY vs Hire a Professional Calculator
Compare the true cost of doing it yourself vs hiring a professional. Includes materials, tools, your time value, and redo risk based on skill level.
Energy Savings ROI Calculator
Calculate the payback period and ROI for energy efficiency upgrades like insulation, windows, appliances, and solar panels.
Repair vs Replace Calculator
Determine whether it makes financial sense to repair an aging item or replace it with a new one. Factors in remaining lifespan, repair cost, and ongoing maintenance.
Meal Planning Savings Calculator
Calculate how much you can save by meal planning. Compare your current food spending and waste to a planned budget.
Generic vs Brand Name Savings Calculator
Calculate how much you can save annually by switching from brand-name to generic products across groceries, medicine, and cleaning supplies.
Library Savings Calculator
Calculate how much money you save by borrowing books, audiobooks, movies, and magazines from the library instead of buying or renting.
Warranty Value Calculator
Determine if an extended warranty is worth the cost based on item failure rates, repair costs, and warranty price.
Money Across Borders
Currency conversion, remittance cost and expat cost-of-living comparisons.
Transfer Pricing Calculator
Arm's-length pricing analysis for intercompany transactions using OECD CUP, Cost Plus, and Resale Price methods with tax exposure estimation.
Currency Hedging Calculator
Compare forward contract and option hedging costs using covered interest rate parity. Calculate forward rates, hedge costs, and breakeven exchange rates.
Cross-Border Payment Cost Calculator
Compare total costs across SWIFT wire, SEPA, online transfer services, and card payments including fees and FX spread.
Withholding Tax Calculator
Calculate cross-border withholding tax on dividends, interest, and royalties with treaty rate reductions, gross-up costs, and foreign tax credit analysis.
Country Risk Premium Calculator
Estimate the country risk premium using Damodaran's sovereign spread approach. Compute risk-adjusted cost of equity, WACC, and valuation impact.
International Payroll Cost Calculator
Calculate total employer cost for international employees including social security, pension, mandatory bonuses, EOR fees, and FX conversion costs.
Expatriate Tax Calculator
Estimate US expat tax obligations comparing FEIE (Foreign Earned Income Exclusion) vs Foreign Tax Credit strategies with housing exclusion and self-employment tax.
Foreign Exchange Impact Calculator
Quantify the P&L and balance sheet impact of exchange rate movements on foreign-currency revenue, costs, and net assets with sensitivity analysis.
International Trade Finance Calculator
Calculate letter of credit costs including issuance, confirmation, negotiation fees, and deferred payment financing. Compare LC vs documentary collection vs trade insurance.
Double Taxation Relief Calculator
Compare credit method vs exemption method for double taxation relief. Calculate foreign tax credits, exemption with progression, and find the optimal relief strategy.