Interest Calculators
3 free interest calculators in the Finance & Investment category. Each tool gives instant results and explains the formula so you can follow the calculation.
Compound Interest Calculator
A = P x (1 + r/n)^(n x t); Interest = A - P
Open calculator โInterest Calculator
Simple: P x r x t. Compound: P x (1+r)^t - P
Open calculator โSimple Interest Calculator
SI = P x R x T / 100; Maturity = P + SI
Open calculator โAbout interest calculations
This page groups the interest tools within Finance & Investment. Pick a calculator above to enter your values and get an instant result, complete with the formula, a step-by-step breakdown and a worked example. All calculators are mobile-friendly, accessible and free.
What are interest calculators used for?
These tools help you with interest calculations in the finance & investment category, giving instant results with the formula and a worked example on each page.
Are they free and private?
Yes. They are free, require no sign-up, and run entirely in your browser so your inputs stay on your device.