Financial Independence Number Calculator

Estimate a financial independence portfolio target, current gap and contribution-based timeline from spending and withdrawal assumptions.

Set spending and portfolio assumptions

Connect annual spending to a target and contribution-driven timeline.

Future spending

Use the annual amount the portfolio must support.

Current path

Enter invested money and a repeatable contribution.

Useful comparisons

Portfolio assumptions stay in your browser.

Portfolio target and modeled path

Connect the lifestyle cost to a target, then test whether the contribution path can close the gap.

Enter your figures, then press “Model the independence target” to calculate your result.

No result yetComplete the fields and use the calculation button.

How the financial independence number is built

The calculator divides annual spending by the entered withdrawal rate to produce a planning target. It then projects the current portfolio and monthly investments toward that target using a constant return assumption.

  • The withdrawal rate is an assumption, not a guarantee.
  • Taxes, fees and changing spending can alter the target.
  • Run lower-return and higher-spending cases before relying on the date.

Let spending define the first target

A portfolio target is meaningful only when the spending figure reflects the life it must support. Include housing, food, transport, health, protection, taxes and periodic costs. Remove savings contributions that would stop after financial independence.

Build more than one spending case. A core case shows essential resilience, while a broader case includes travel, gifts and replacement purchases. One exact number can hide choices that remain flexible.

Treat the withdrawal rate as a planning lever

The entered percentage is not a promise that a portfolio will last. Market sequence, inflation, fees, tax, asset allocation and the length of withdrawals all affect durability.

A lower rate produces a larger target and more margin. Compare several rates and document why one fits the horizon. The calculator does not replace a retirement-income plan or regulated advice.

The target is a spending scenario

Withdrawal rate, returns and future spending all need separate stress tests.

Spending

Defines the need

Target

Applies the planning rate

Path

Projects contributions

Read the date as a scenario, not a countdown

The projection assumes smooth returns and regular contributions. Real portfolios move unevenly, and a bad early sequence can delay the result even when a long-run average is eventually reached.

Review progress using contributions, spending changes and allocation rather than reacting to every market month. If the target is far away, the sustainable saving rate is usually more controllable than a higher expected return.

  • Target under a lower withdrawal rate
  • Target after a spending increase
  • Projection with a lower return
  • Contribution the household can maintain

Common questions about this calculator

Is the financial independence date guaranteed?

No. The date depends on smooth return, spending and contribution assumptions. Market returns, taxes, fees and life changes can move the result materially.

Should current annual spending be used without changes?

Use spending that reflects the intended independent life, including periodic costs and health needs, while removing savings contributions and work expenses that would stop.

Continue with the investing guide