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# Ratio Calculator

A ratio is a mathematical term to show the relationship between two numbers of the same kind. This ratio calculator is a good calculator for solving math ratio problems including relative ratio calculations and understanding ratios in their simplest form. In addition to this ratio calculator, iCalculator has several good ratio calculators which can be used to calculate ratio division, ratio multiplication, ratio simplification and more complex math ratio formula. You can find links to the related ratio calculators below the ratio calculator.

Ratio, Simplest Form, Forms 1:n and n:1 Number A Number B Enter three numbers in any of the boxes below, the fourth number will be calculated(This can be used to apply the same ratio to different values) Number A is to Number B as Number C is to Ratio Decimal Places0123456789

Ratios can be expressed in several ways, this ratio calculator calculates ratios and displays the results using various ratio expressions as shown below:

1. The ratio of A to B
2. A:B
3. Form 1:n and n:1
4. A is to B as C is to D

The ratio calculations can be saved to a table by clicking the "Add to Table" button, this is useful when you need to calculate several ratios and then compare the ratios on completion

## How can Ratios be expressed?

Ratios can be expressed in a numbers of ways, as a decimal, a fraction as a related comparison or as is more commonly seen a percentage. for example a ratio of 1 to 2 can be expressed as:

1. 1-2 is a ratio expressed in using a hyphen, whilst this is quite commonly used it should be avoided as the hyphen also represents the minus sign in math and can be confusing in long algorithms or if using computer code or computers to process a math calculation
2. 1:2 is a ratio expressed in typical math format using a colon
3. 1 to 2 is a ratio expressed in written words
4. 1 per 2 is a ratio expressed in written words
5. 0.5 is a ratio expressed as a decimal number
6. 50% is a ratio expressed as a percentage
7. ½is a ratio expressed as a fraction