Compound Interest Calculator
Calculate compound interest on your savings. See how your money grows with interest compounded daily, monthly or yearly.
The Compound Interest Calculator below works out your result the moment you type — no sign-up, no cost. Perfect for anyone budgeting, borrowing or planning ahead. Enter principal amount, annual interest %, time (years) and compounds and the total updates live.
How the compound interest calculator works
Just fill in the fields above — principal amount, annual interest %, time (years) and compounds — and the compound interest calculator does the maths instantly. Nothing is sent anywhere; the calculation happens right in your browser.
Want this compound interest calculator on your own site?
Add it free with RGT Quote Builder — a drag-and-drop WordPress calculator plugin with 100+ ready-made templates and no paywall.
FAQ
Is the compound interest calculator free?
Yes — completely free to use, with no account and no limits.
Can I add this compound interest calculator to my WordPress site?
Yes. Install the free RGT Quote Builder plugin, pick the Compound Interest Calculator template, and drop it onto any page with a shortcode or block.
Can I customise the fields and pricing?
Absolutely — every field, price and formula is editable in the drag-and-drop builder.