The formula
PMT = [Target − P(1 + r)ⁿ] × r ÷ [(1 + r)ⁿ − 1]
Calculations run in your browser. Displayed values are rounded, while intermediate calculations keep their full precision.
What this estimate assumes
- The starting balance is invested immediately.
- Contributions occur at month-end.
- Returns are constant for illustration.
A quick reality check
US$500,000 in 20 years
Test several return assumptions instead of relying on one optimistic case.
Common questions
Does the target include inflation?
Only if you enter a future target already adjusted for inflation.