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Simple Interest Calculator

Work out the interest on loans and deposits where interest is charged only on the original principal. Enter the principal, annual rate and time period, results update instantly in your browser.

Original deposit or loan amount, in rupees.

Annual interest rate as a percentage. 0% is allowed.

Tenure in years (decimals allowed, e.g. 1.5).

Interest Earned₹1,000
Total Amount₹11,000

Simple interest at 5% per year for 2 years on ₹10,000. No compounding.

HOW TO USE

  1. 1Enter the principal amount.
  2. 2Enter the annual interest rate and the time period.
  3. 3Interest and the total amount update instantly.
  4. 4Use the result for quick loan or deposit checks.

EXAMPLE

INPUT

Principal ₹10,000, 5% p.a., 3 years

OUTPUT

Interest ₹1,500, total ₹11,500

FAQ

What is simple interest?
Interest calculated only on the original principal: Principal × Rate × Time / 100. No interest is earned on earlier interest.
Does it compound?
No. This tool uses simple interest only. For compounding, use the compound interest or SIP calculators.
Is my data sent to a server?
No. All calculations run in your browser.

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Compound Interest Calculator↗Roi Calculator↗Savings Calculator↗EMI Calculator↗