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Simple Interest Calculator

Calculate simple interest and total repayment amount instantly from principal, rate of interest, and time period.

Calculate simple interest and total repayment amount on a principal sum, given the rate of interest and time period.

Principal Amount (₹)

Rate of Interest (% per annum)

Time Period

Time Unit

Please fill in all fields with valid numbers.

Result

Principal Amount—

Interest Rate—

Time Period—

Simple Interest—

Total Amount (Principal + Interest)—

Formula used: Simple Interest = (Principal × Rate × Time) / 100.