About the Refund Rate Calculator
Refund rate: refunded orders (or revenue) as a percentage of all orders over a period.
Also known as: refund percentage, chargeback rate.
How to use this calculator
- Enter refunded orders, total orders.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Open “Step-by-step” to see how the answer was worked out.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Refund rate = Refunded orders ÷ Total orders × 100
Worked example
Using the values pre-filled in the calculator above:
- Refunded orders = 42
- Total orders = 1,800
the calculator returns:
- Refund rate: 2.33%
Working
Refund rate = 42 ÷ 1,800 × 100 = 2.3333%