Average Calculator

An average (arithmetic mean) calculator finds the sum of all values divided by the count — the most common measure of central tendency in statistics and everyday life. Use this calculator for accurate, instant results.

The calculator uses the standard published formula for average. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: Mean = Sum of values / Count. Each step in the calculation is shown so you can verify the result manually.