# Compound Interest Calculator > Compound Interest Calculator: a free compound interest calculator that runs entirely in your browser, no sign-up required. Sitemap: https://compound-interest-calculator.xyz/sitemap.xml ## Tools - [Compound Interest Calculator](https://compound-interest-calculator.xyz/): Enter your principal, contributions, rate and compounding frequency to see your future value. - [Compound Interest Formula](https://compound-interest-calculator.xyz/compound-interest-formula/): The A = P(1+r/n)^(nt) formula explained, derived, and worked through step by step. - [Savings Goal Calculator](https://compound-interest-calculator.xyz/savings-goal-calculator/): Enter a savings target to see the monthly contribution you need to reach it. ## About this site Compound Interest Calculator provides a compound interest calculator (principal, monthly contribution, years, annual interest rate and a selectable compounding frequency: annually, semi-annually, quarterly, monthly or daily: produce a future value, total contributions and total interest earned, plus a pessimistic/expected/optimistic three-scenario comparison at plus-or-minus one percentage point), a compound interest formula reference page (the A = P(1+r/n)^(nt) formula explained and worked through step by step), a savings goal calculator (the inverse question: given a target amount, how much you need to contribute monthly to reach it), and a real, truthful privacy policy page. Everything runs locally in your browser, no input is sent to or stored on a server. Site: https://compound-interest-calculator.xyz