Ratio of 42 to 18 (42:18)

Ratio of 42 to 18

A ratio of 42 to 18 can be written as 42 to 18, 42:18, or 42/18. Furthermore, 42 and 18 can be the quantity or measurement of anything, such as students, fruit, weights, heights, speed and so on.

A ratio of 42 to 18 simply means that for every 42 of something, there are 18 of something else, with a total of 60.

In the box below, you can enter a number in either box and we will calculate the other number to keep the ratio of 42 to 18. In other words, we will calculate the corresponding equivalent ratio of 42:18 for you.

To calculate the left side of the ratio, our calculator multiplies the right side by 42 and then divides the product by 18. To calculate the right side of the ratio, our calculator multiplies the left side by 18 and then divides the product by 42. Answers are rounded to two decimals if necessary.

Below is a list of equivalent ratios of 42:18 that we created using our 42:18 ratio calculator above.

7:3

14:6

21:9

28:12

35:15

42:18

49:21

56:24

63:27

70:30

77:33

84:36

We have also created a pie chart for you to put 42:18 ratio in perspective. To do so, we divided a pie into 60 pieces and then colored 42 pieces green and 18 pieces blue. The pie will look exactly the same using any equivalent ratio of 42:18.

42 to 18 pie ratio

The green part of the pie covers 70% and the blue part covers 30%. To calculate the percentages, we divided each side of the ratio by its total and then multiplied by 100, like this:

(42 / 60)×100 = 70
(18 / 60)×100 = 30

In fractional terms, 42/18 of the pie above is colored in green. This means that the ratio of 42 to 18 or 42:18 can also be expressed as a fraction, where the 42 to the left of the colon is the numerator and the 18 to the right of the colon is the denominator:

42:18 = 42/18

Ratio is often used when defining rectangles in width:height format. Width and height can be feet, inches, centimeters, or any other kind of length. With a ratio of 42 to 18, the width is 42 and the height is 18. Below is a picture of what a rectangle with a ratio of 42:18 looks like.

42 to 18 pie rectangle

Since the simplest form of the fraction 42/18 is 7/3, the simplest form of the ratio 42:18 is also 7:3.

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Ratio of 42 to 19
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