Ratio Calculator (Proportion Calculator)

Related Calculator:

Supporting calculations and Ratio Calculator at CalculatorSoup.com

About this Calculator

Will solve ratios or proportions for the missing value or evaluate as true or false. Ratios, and testing equivalent fractions, in the form 2/4 = 6/12 can be entered below as 2:4 = 6:12.

Ratio Calculator Uses and Formulas:

This calculator will solve ratios, or proportions, for the missing values or tell you if the entered ratio is true or false.

Enter [A and B to find a C and D set] - will multiply A*2 and B*2 to create TRUE values for C and D.

Enter [A, B and C to find D] - will solve for D = C * (B/A)

Enter [A, B and D to find C] - will solve for C = D * (A/B)

Enter [A, B, C and D to find TRUE or FALSE] - will find the values of A/B and C/D and compare the results to find TRUE or FALSE.

If you want to simplify a fraction use our simplification of fractions calculator.