Ratio of 2 to 9 (2:9)

Ratio of 2 to 9

A ratio of 2 to 9 can be written as 2 to 9, 2:9, or 2/9. Furthermore, 2 and 9 can be the quantity or measurement of anything, such as students, fruit, weights, heights, speed and so on.

A ratio of 2 to 9 simply means that for every 2 of something, there are 9 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 2 to 9. In other words, we will calculate the corresponding equivalent ratio of 2:9 for you.

To calculate the left side of the ratio, our calculator multiplies the right side by 2 and then divides the product by 9. To calculate the right side of the ratio, our calculator multiplies the left side by 9 and then divides the product by 2. Answers are rounded to two decimals if necessary.

Below is a list of equivalent ratios of 2:9 that we created using our 2:9 ratio calculator above.

2:9

4:18

6:27

8:36

10:45

12:54

14:63

16:72

18:81

20:90

22:99

24:108

We have also created a pie chart for you to put 2:9 ratio in perspective. To do so, we divided a pie into 11 pieces and then colored 2 pieces green and 9 pieces blue. The pie will look exactly the same using any equivalent ratio of 2:9.

2 to 9 pie ratio

The green part of the pie covers 18.18% and the blue part covers 81.82%. To calculate the percentages, we divided each side of the ratio by its total and then multiplied by 100, like this:

(2 / 11)×100 ≈ 18.18
(9 / 11)×100 ≈ 81.82

In fractional terms, 2/9 of the pie above is colored in green. This means that the ratio of 2 to 9 or 2:9 can also be expressed as a fraction, where the 2 to the left of the colon is the numerator and the 9 to the right of the colon is the denominator:

2:9 = 2/9

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 2 to 9, the width is 2 and the height is 9. Below is a picture of what a rectangle with a ratio of 2:9 looks like.

2 to 9 pie rectangle

Since the simplest form of the fraction 2/9 is 2/9, the simplest form of the ratio 2:9 is also 2:9.

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