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Interest Calculator

Free online interest calculator — calculate simple interest for bank deposits, savings accounts, and loan payments instantly. This simple interest calculator online free tool helps you estimate interest earned over time. Compare results against our compound interest calculator to see why compounding matters for your investments.

Inputs

Simple interest does not compound.

Cashflows are available on the Compound Interest calculator.

View
Interest earned
$2,400.00
Total value
$12,400.00
Breakdown
YearInterestAccrued interestBalance
0$0.00$0.00$10,000.00
1$800.00$800.00$10,800.00
2$800.00$1,600.00$11,600.00
3$800.00$2,400.00$12,400.00

How to Calculate Interest on Savings Account & Loans

Interest calculator for bank deposits

This online interest calculator estimates simple interest earned on bank deposits, savings accounts, and loans. Use this interest rate calculator tool for quick comparisons of non-compounding financial products and loan interest calculator monthly payments.

Simple interest formula: calculate interest online

Simple interest is calculated as Interest = P × r × t. Use our daily interest calculator online to estimate returns at different time scales. This savings interest calculator gives you instant results.

Simple vs compound interest calculator comparison

If your product reinvests gains, use our compound interest calculator to see how compounding accelerates growth. For monthly investing, try the SIP calculator.

Frequently asked questions

Short answers to common questions about assumptions, formulas, and interpreting results.