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Simple Interest Calculator

Calculate simple interest and total amount from principal, rate, and time.

Also known as: calculate simple interest calculator, simple interest calculator, calculate simple interest, savings finance, savings calculate simple interest

Inputs

Results update when you click Calculate Interest.

Simple interest

$900.00

  • Total amount$5,900.00
  • Principal$5,000.00
  • Rate6.00%
  • Time3.00 years

Breakdown

  • Principal
  • Interest
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What this result means

Calculate simple interest and total amount from principal, rate, and time. Interest = Principal × Rate × Time. Amount = Principal + Interest.

Assumptions

  • Rule dependency: Universal formula / market assumptions.

Simple interest

Interest = Principal × Rate × Time. Amount = Principal + Interest.

Example

$5,000 at 6% for 3 years → $900 interest and $5,900 total.

Frequently asked questions

Simple vs compound interest?+

Simple interest accrues only on principal; compound interest accrues on principal plus prior interest.