Arithmetic Mean (Average) Between Two Numbers Calculator

Arithmetic mean between two numbers calculator is a free online tool for calculating the average between two given numbers.

Average Between Two Numbers Calculator

The average between a and b.

Eg, The average between between 10 and 20? Enter 10 in the first input box and enter 20 in the second input box, then click Calculate button.

Calculate Reset

What is the arithmetic mean?

The arithmetic mean of a set of numbers is computed by the sum of the collection of numbers divided by the total count of numbers in the collection. This is simply called mean or average. The mathematical formula for arithmetic mean is

Formula of Arithmetic mean For example, the average between 10 and 20.

There are 9 numbers between 10 and 20, they are 11, 12, 13, 14, 15, 16, 17, 18 and 19. The sum of them is

11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 = 135

The average of them is

1359 = 15

So, the average between 10 and 20 is 15

Another average calculator that calculates any number entered.

How to use the calculator to calculate the average in the interval

Using the calculator is simple, follow these 3 steps:

1Enter the starting number in the first input box.
2Enter the ending number in the second input box.
3Click Calculate button to get the answer, or click Reset button to start a new calculation.

Note that it is between two numbers, so the starting and ending numbers are not included.

Next, let’s look at some examples.

Solved examples using average between two numbers calculator

Example 1: What is the average between 1 and 100?

Enter 1 in the first input box.

Enter 100 in the second input box.

Then click Calculate button, as shown in the figure, the average between 1 and 100 is 50.5.

Example 2: What is the average between 2020 and 2050?

Enter 2020 in the first input box.

Enter 2050 in the second input box.

Then click Calculate button, as shown in the figure, the average between 2020 and 2050 is 2035.