Tools

Safe withdrawal calculator

Year-one withdrawal is the portfolio times the rate. At 4%, $1,000,000 supports $40,000 before any other income. The rate is a planning choice drawn from historical studies, not a guaranteed income.

Arc · Published September 18, 2026 · Updated September 18, 2026

Assumptions

  • 4% is a historical research convention for a 30-year horizon, not a guarantee.
  • The classic rule then adjusts the dollar amount for inflation. This tool shows year one.

Year-one withdrawal

$40,000

Years of spending in the portfolio

25.0

Portfolio divided by the spending you entered. Not a survival study.