Simple interest calculator

Simple interest is earned on the original sum only: each year pays the same interest, and interest is never earned on interest.

The interest on a sum when interest is paid only on the original amount

Your figures
₹
₹1,000₹10,00,00,000
%
1%20%
years
1 year30 years
Amount at the end₹1.4 L
Principal
₹1,00,000
Interest earned
₹35,000
Amount at the end
₹1,35,000

Amount at each year end

  • Principal
  • Interest earned

What if

5 more years

₹1,70,000

₹35,000 higher

1% more interest

₹1,40,000

₹5,000 higher

Twice the sum

₹2,70,000

₹1,35,000 higher

How it is worked out

Interest = principal × rate × years ÷ 100. Amount = principal + interest