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Finance

Simple Interest Calculator

Estimate pre-tax simple interest when interest accrues only on the original principal, without compounding.

KRW
%
Period

How to use

Enter the values requested above. Estimate pre-tax simple interest when interest accrues only on the original principal, without compounding. The result is calculated in your browser.

Formula

Interest = principal × annual rate × years. Ending balance = principal + interest.

Example

How much simple interest accrues on KRW 1,000,000 at 5% for 2 years?

Interest is KRW 100,000, giving an estimated ending balance of KRW 1,100,000 before tax.

Frequently asked questions

How is simple interest different from compound interest?
Simple interest is calculated on the original principal only. Compound interest also earns interest on previously added interest.
Are my entries stored?
No. The calculation runs in your browser, and this page does not save the values you enter.