# Average Return Calculator

> Calculate the Arithmetic Mean and Geometric Mean (CAGR) of a series of investment returns.

Page: https://askcalculators.com/calculator/average-return-calculator/
Definition: https://askcalculators.com/calculator/average-return-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/average-return-calculator/schema.json
Version: 7.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/average-return-calculator/?returns=10%2C+-5%2C+20%2C+8%2C+12

## Inputs
- returns: Returns; type=text; optional; default=10, -5, 20, 8, 12

## Outputs
- result: Result; format=text; primary

## Formula
Arithmetic return = sum of periodic returns ÷ count; geometric return = [product of (1 + each return)]^(1/count) − 1.

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.