GROWTH & INVESTING
Withdrawal Amount for a Chosen Horizon Calculator
Solve for the initial monthly withdrawal that exhausts a modeled balance at the horizon.
Your result
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How to use this calculator
Adjust the inputs to your own scenario, then review the result alongside the assumptions below. The $ symbol is a currency label; the tool does not convert exchange rates.
Worked example
At zero return and no annual increase, $12,000 spread over one year supports $1,000 per month.
The formula
Discount each scheduled growing withdrawal at the monthly return; initial monthly withdrawal = starting balance ÷ sum of discounted withdrawal factors.
What the result means
Compare the output with the stated assumptions. Changing an input changes the arithmetic; it does not establish how a real trade or investment will perform.
Assumptions and limitations
A deterministic depletion calculation, not a safe withdrawal rate or retirement-account rule. No variability, fees, taxes, or reserve at the horizon.
Common questions
What does this calculation include?
A deterministic depletion calculation, not a safe withdrawal rate or retirement-account rule. No variability, fees, taxes, or reserve at the horizon.
Are the example inputs recommendations?
No. The defaults are worked examples. Enter values appropriate to your own calculation; outputs are estimates rather than forecasts.
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Open calculator →Educational calculations, not a forecast or personalized investment advice. Your inputs are used locally for the calculation and are not submitted by this tool.