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Calcimator

Sinking Fund Calculator

Plan monthly contributions for a future expense. Set a target, a deadline, and see exactly how much to save each month.

Inputs

$
months
$

Results

Monthly Contribution

$365.45

≈ 7 tanks of gas

Total Contributions$4,385.44
Interest Earned$114.56
Current Progress10%
How to Use This Calculator
  1. Enter Target Amount, Months Until Needed, and Currently Saved.
  2. Set Savings APY.
  3. Review the Monthly Contribution ($) result.
  4. Use Total Contributions ($) and Interest Earned ($) to inform your decision.
  5. Use the chart to visualize the results and explore different scenarios by adjusting inputs.

How the result changes with Target Amount

Target AmountMonthly Contribution
$50,000.00$4,038.74
$175,000.00$14,242.30
$325,000.00$26,486.58
$450,000.00$36,690.15

What each input means

Target Amount
Total amount you need by the deadline.
Months Until Needed
How many months until you need the money.
Currently Saved
Amount already set aside for this goal.
Savings APY
Annual interest on your savings account.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Target Amount = 5000, Months Until Needed = 12, Currently Saved = 500, Savings APY = 4.5 = 4 input(s) provided
  2. Calculate Monthly Contribution
    Monthly Contribution
    365.45 = $365.45
  3. Calculate Total Contributions
    Total Contributions
    4385.44 = $4,385.44
  4. Calculate Interest Earned
    Interest Earned
    114.56 = $114.56

Engine last updated .

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