Compound Interest Calculator

Visualize how your investments grow over time with compound interest and recurring monthly contributions.

Scenarios

Formula

A = P(1 + r/12)ⁿ + PMT × (((1 + r/12)ⁿ - 1) / (r/12))

Assumes contributions are added monthly at the end of each month.

A
Final amount
P
Starting amount
r
Annual rate as a decimal
n
Number of months
PMT
Monthly add