Ratio of 3 to 8 (3:8)

Ratio of 3 to 8

A ratio of 3 to 8 can be written as 3 to 8, 3:8, or 3/8. Furthermore, 3 and 8 can be the quantity or measurement of anything, such as students, fruit, weights, heights, speed and so on.

A ratio of 3 to 8 simply means that for every 3 of something, there are 8 of something else, with a total of 11.

In the box below, you can enter a number in either box and we will calculate the other number to keep the ratio of 3 to 8. In other words, we will calculate the corresponding equivalent ratio of 3:8 for you.

To calculate the left side of the ratio, our calculator multiplies the right side by 3 and then divides the product by 8. To calculate the right side of the ratio, our calculator multiplies the left side by 8 and then divides the product by 3. Answers are rounded to two decimals if necessary.

Below is a list of equivalent ratios of 3:8 that we created using our 3:8 ratio calculator above.

3:8

6:16

9:24

12:32

15:40

18:48

21:56

24:64

27:72

30:80

33:88

36:96

We have also created a pie chart for you to put 3:8 ratio in perspective. To do so, we divided a pie into 11 pieces and then colored 3 pieces green and 8 pieces blue. The pie will look exactly the same using any equivalent ratio of 3:8.

3 to 8 pie ratio

The green part of the pie covers 27.27% and the blue part covers 72.73%. To calculate the percentages, we divided each side of the ratio by its total and then multiplied by 100, like this:

(3 / 11)×100 ≈ 27.27
(8 / 11)×100 ≈ 72.73

In fractional terms, 3/8 of the pie above is colored in green. This means that the ratio of 3 to 8 or 3:8 can also be expressed as a fraction, where the 3 to the left of the colon is the numerator and the 8 to the right of the colon is the denominator:

3:8 = 3/8

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 3 to 8, the width is 3 and the height is 8. Below is a picture of what a rectangle with a ratio of 3:8 looks like.

3 to 8 pie rectangle

Since the simplest form of the fraction 3/8 is 3/8, the simplest form of the ratio 3:8 is also 3:8.

Ratio Calculator
Need information about another ratio? Here you can submit another ratio for us to explain.

Ratio of 3 to 9
Go to the next ratio on our list that we have detailed information about.