Learn about the compound interest formula and how to use it to calculate the compound interest on your savings, investment or loan

Mar 29, 2025 · Compound interest is distinct from simple interest in that interest is earned both on the original investment (the principal) and the interest accumulated so far, rather than simply on the …

With Compound Interest, we work out the interest for the first period, add it to the total, and then calculate the interest for the next period, and so on ..., like this:

This page focuses on understanding the formula for compound interest ; if you're interested in taking a deeper dive into how compound interest works and exploring some real world examples, please read …

Dec 22, 2025 · Compound interest refers to earning interest on both a principle balance and any previously accumulated interest; you're earning interest on interest. Compound interest means …

May 12, 2025 · Compound interest is paid on the original amount and on the past interest earned. The compound interest formula uses the principal, interest rate, and time to calculate the total amount. …

Aug 21, 2025 · In this section, we’ll break down the concept of compound interest, how it compares to simple interest, and the effects of different compounding periods. You’ll also discover useful …

Compound interest is interest accumulated from a principal sum and previously accumulated interest. It is the result of reinvesting or retaining interest that would otherwise be paid out, or of the …

Here is everything you need to know about compound interest for GCSE maths (Edexcel, AQA and OCR). You’ll learn how to calculate compound interest for increasing and decreasing values, and set …

Learn the difference between simple and compound interest, what happens when you open a bank account or take a loan, with a KS3 Maths guide from BBC Bitesize.