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Simple Interest Calculator

SI on a principal over time. Enter principal, rate, time and currency. Free, runs on your device.

Enter details

How to use

  1. Fill in: Principal, Rate (% p.a.), Time (years) and Currency. Fields with defaults or marked optional can stay as shown.
  2. Tap Calculate Interest.
  3. Read the result - you can print or save it as PDF.

Worked example

With Principal = 100000, Rate = 8, Time = 3:

SIMPLE INTEREST24,000 INR
  • Interest: 24,000 INR
  • Total amount: 124,000 INR
  • Principal: 100,000 INR
  • Rate: 8% p.a.