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Calcimator

Burn Rate Calculator

Calculate your startup's burn rate and runway. Project how long your cash will last based on revenue, expenses, and growth rates.

Inputs

$
$
$
%

Results

Net Burn Rate

$35,000.00

Gross Burn Rate$50,000.00
Runway (months)14
Status14+ months runway
Months to Breakeven146
How to Use This Calculator
  1. Enter cash on hand, monthly revenue, and monthly expenses.
  2. Set monthly revenue growth (%) and expense growth (%) rates.
  3. Review Net Burn Rate ($/mo), Gross Burn Rate, Runway (months), and Months to Breakeven.
  4. A runway under 6 months signals urgent need for fundraising or expense reduction.

How the result changes with Monthly Expenses

Monthly ExpensesNet Burn Rate
$1,000,000.00$985,000.00
$3,500,000.00$3,485,000.00
$6,500,000.00$6,485,000.00
$9,000,000.00$8,985,000.00

What each input means

Cash on Hand
Current total cash reserves available to fund operations.
Monthly Revenue
Average monthly income from all revenue sources.
Monthly Expenses
Total monthly operating costs (payroll, rent, software, etc.).
Monthly Revenue Growth
Expected month-over-month revenue growth. SaaS median is ~5-10%.
Monthly Expense Growth
Expected monthly increase in expenses as you scale.

How this is calculated

Formula

Net Burn Rate = Monthly Expenses - Monthly Revenue. Runway = Cash on Hand ÷ Net Burn Rate.

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Cash on Hand = 500000, Monthly Revenue = 15000, Monthly Expenses = 50000, Monthly Revenue Growth = 10 = 5 input(s) provided
  2. Calculate Net Burn Rate
    Net Burn Rate
    35000 = $35,000
  3. Calculate Gross Burn Rate
    Gross Burn Rate
    50000 = $50,000
  4. Calculate Runway
    Runway = min(runwayMonths
    14 = 14

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators.

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