Calculate the mean average of any set of numbers quickly and accurately.
The average (mean) is calculated by adding all numbers in a set and dividing by the count of numbers.
For numbers: 5, 10, 15, 20
Sum = 5 + 10 + 15 + 20 = 50
Count = 4
Average = 50 / 4 = 12.5
Follow these simple steps to calculate the average of any set of numbers
Type a number in the input field and click "Add Number" to add it to your list.
Check that all numbers you want to include are in the list. You can remove any number by clicking the X button.
Click "Calculate Average" to see the result. The calculator will show the average along with the sum and count.
You can clear the list to start over or continue adding more numbers for new calculations.
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See not just the average but also the sum and count for better understanding.
Find answers to common questions about average calculation
The mean is the average calculated by adding all values and dividing by the count. The median is the middle value when all values are sorted. The mode is the value that appears most frequently in the dataset.
Yes, our calculator supports both positive and negative numbers. The average will be calculated correctly regardless of the sign.
You can add as many numbers as you need. There's no practical limit, though extremely large datasets might slow down the calculation slightly.
Yes, our calculator fully supports decimal numbers. You can enter numbers with any number of decimal places.
Yes, you can remove any number from your list by clicking the X button next to it. The average will update automatically when you recalculate.
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