Loona Calculators
Simple interest made easy: enter the principal, the yearly rate and the time to see the interest and the total amount — for school maths, loans and everyday money questions.
I = P × R × T ÷ 100, where P is principal, R is the yearly rate and T is time in years.
Simple interest is charged only on the original principal; compound interest also grows on past interest.
Yes — put 0 years and your months in the months field.