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  4. Simple Interest Calculator
Finance Calculators
Finance
Updated FY 81/82

Simple Interest Calculator

Calculate simple interest (SI = P x R x T / 100) and total maturity value for loans or fixed deposits.

Tool Inputs & Parameters

Calculate simple interest earned or payable on a principal amount over a given time frame.

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

Simple Interest Result

Total Interest EarnedNPR 1,27,500.00

Total Maturity Amount: NPR 6,27,500.00 • Principal: NPR 5,00,000.00

Calculation Result

Simple Interest Calculator EngineActive

Grade A+ (Distinction)

Introduction

Calculate simple interest earned or paid on a principal sum over a given time duration.

Methodology & Execution

Input principal amount, annual interest rate, and time period in years. Computes interest and total final maturity value.

Mathematical Formula / Rule

Simple Interest (SI) = (P x R x T) / 100
Total Amount = Principal + SI

Example Scenario

Principal NPR 50,000 at 8% annual rate for 3 years => SI = (50000 x 8 x 3) / 100 = NPR 12,000. Total Maturity = NPR 62,000.

Important Notes & Disclaimers

  • Assumes fixed non-compounding interest accrual.

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