Compound Interest Calculator

See how your money grows over time with the power of compound interest

Investment Details

Investment Summary

Future Value
$0
Total Contributions
$0
Total Interest Earned
$0
Interest % of Total
0%

Growth Visualization

Composition Breakdown

Year-by-Year Growth

YearContributionsInterestTotal Balance

Save Your Results

Get your calculation results emailed to you, plus weekly financial tips.

Earn More on Your Savings

Open a high-yield savings account earning 4-5% APY. FDIC insured.

Marcus (4.40% APY) Ally Bank (4.20% APY)
See all high-yield savings accounts →

The Power of Compound Interest

Compound interest is interest earned on both your original principal and on previously earned interest. Albert Einstein reportedly called it the "eighth wonder of the world." The more frequently interest compounds and the longer your time horizon, the more dramatic the growth.

Formula: A = P(1 + r/n)^(nt) + PMT * [((1 + r/n)^(nt) - 1) / (r/n)], where P = principal, r = annual rate, n = compounds per year, t = years, PMT = periodic contribution.

More from CalcTools

Retirement Calculator Debt-to-Income Calculator Best Budgeting Apps AI Tools for Real Estate Join our Newsletter

Plan your investment strategy with our Budget Template.

Get Budget Spreadsheet →

Need Help Automating Your Finances?

Book a free 15-minute strategy call. We build custom automation for businesses.

Book a Call