Personal finance
Compound Interest Calculator
Project investment growth with contributions and flexible compounding.
Personal finance
Plan toward a target in either direction: find the regular contribution required by a deadline, or estimate how long a fixed contribution may take.
Last reviewed: August 23, 2026 · Free to use · No registration
Enter your details and select Calculate to see a clear result breakdown.
The calculator reports that no further contribution is required.
Yes. The calculator divides the remaining gap across the available contribution periods.
A zero contribution combined with a zero or negative-growth scenario cannot close a remaining gap.