About this calculator
Calculate the arithmetic mean of a list of numbers.
Separate numbers with commas.
Formula
Average = sum of values ÷ number of values.
Example
10, 20, 30, 40 average to 25.
Accuracy
NUMTX shows the assumptions next to the calculation so you can replace defaults with values that match your situation. For measurements, supplier rates, fees, interest, tax or regulated work, confirm important figures with the appropriate official or professional source.