Free Ratio Calculator
Calculate the ratio between two quantities, simplify it to lowest terms, and convert to other representations.
Ratio A:B (as decimal)
0.750000
Ratio B:A1.333333
A as % of Total42.8571
A / (A+B)0.428571
Ratio A:B (as decimal) vs Quantity A
How to Calculate a Ratio
Formula
Ratio A:B = A / B
A ratio compares two quantities by division. The ratio 150:200 simplifies to 3:4 (divide both by 50). Ratios can be expressed as fractions (3/4), decimals (0.75), or percentages. To convert a ratio to parts of a whole, divide each part by the sum.
Example Calculation
Compare 150 to 200.
- 01Ratio A:B = 150/200 = 0.75 or 3:4
- 02Ratio B:A = 200/150 = 1.3333 or 4:3
- 03A as fraction of total = 150/(150+200) = 150/350 = 42.86%
- 04B as fraction of total = 200/350 = 57.14%
Frequently Asked Questions
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