Interest Rate Calculation

About Interest Rate Calculation

Ratings & reviews

A big update! NEW • Insurance tab: enter the premium (annual, semi-annual, quarterly or monthly), payment years and the amount you get back to find the policy's real annual return (IRR), and compare it with a deposit or any other rate • Withdrawals mode in Savings Plan: see how long your savings last, or work out the withdrawal, savings or rate you need, with an optional balance to keep • Solve for: start from a target amount to find the principal, monthly amount, years or rate you need • Return analysis: after-tax return, value in today's money after inflation, and years to double • Save plans and compare two side by side • Share results as text, an image or a CSV table LOAN • Equal principal repayment • Interest-only period of up to 5 years • Prepayment: lower your monthly payment or shorten the term, and see the interest you save • Loan term in years and months • Results update as you type SAVINGS PLAN & COMPOUND • Deposit monthly, quarterly, every 6 months or yearly, at the start or end of each period, with an optional initial amount • Compounding from yearly to daily, with the effective annual rate IMPROVEMENTS • Redesigned interface • Numbers follow your region's format, and invalid input is flagged right away • Clearer charts with shortened axis labels • Your last inputs are remembered • Keyboard bar to move between fields • Fixed charts on iOS 27 and improved translations

App privacy

The developer, CHING FENG HSU, reported these privacy practices to Apple.