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# Ratio Calculator

- Enter Ratio
- The ratio calculator will calculate as you type
- A list of equivalent ratios will be produced

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# What is a ratio?

A ratio is a direct comparison of one number against another. A ratio calculator looks to define the relationship that compares between those two numbers

## Using the Ratio Calculator

Use the ratio calculator to solve ratio/proportion problems and to test equivalent fractions. A ratio of 1/2 can be entered into the ratio calculator as 1:2, 2/10 would be 2:10.

The ratio calculator will then produce a table of equivalent ratios. The ratio calculator will also process decimal numbers

## Where are Ratio Calculations Used?

Ratios are used everywhere, from cooking to building. Here are some common applications of ratios in everyday life:

Mechanics: spanners/wrenches are all marked with relevant ratios which correspond to the nuts they fit.

Businesses and accountants: use ratios for forecasting and financial controls (expense ratio, turnover ratio, debt ratio, asset ratio, price ratio, earnings ratio etc.)

Food: the correct diet has the right ratio of food groups (one of our five a day is a common ratio we are all familiar with.

Education: ensuring the right ratio of students to teachers is key for effective learning. Class sizes in terms of the ratio of pupils to a teacher is a common ratio concern.

Web Developers / SEO experts these guys live and breathe ratios, from bounce rates to time on site, new visitors versus return visitors, ratios rule their lives.

# How to Calculate Ratios

When calculating equivalent ratios you must multiply or divide both numbers in the ratio. This keeps both numbers in direct relation to each other. So, a ratio of 2/3 has an equivalent ratio of 4/6: in this ratio calculation we simply multiplied both 2 and 3 by 2.