Dec 2, 2025 · If you'd prefer not to do the math manually, you can use the compound interest calculator at the top of our page. Simply enter your principal amount, interest rate, compounding frequency and …

Test your knowledge of compound interest, the Rule of 72, and related investing concepts in our most popular investing quiz! There’s a trick question – can you spot it?

Use this handy calculator to find out the simple or compound interest. Learn the difference between compound interest and simple interest.

This free calculator also has links explaining the compound interest formula.

Compounding interest calculator: Use this calculator to determine how much your money can grow with compound interest.

Free compound interest calculator to find the interest, final balance, and schedule using either a fixed initial investment and/or periodic contributions.

Calculate simple or compound interest for loans and investments. See total interest paid, growth over time, and monthly payments. Free, accurate financial tool.

Nov 1, 2025 · Calculate simple and compound interest to see how your savings or investments grow over time. Supports recurring deposits, shows APY, and includes side-by-side comparison charts. …

Use our Simple Compound Interest Calculator to compare how different interest rates and compounding frequencies affect your returns across various account types.

Aug 1, 2025 · Compound interest calculator finds interest earned on savings or paid on a loan with the compound interest formula A=P(1 + r/n)^nt. Calculate interest, principal, rate, time and total …