Return and refund calculators
Estimate return cost, refund policy impact, exchange value, defects, and restocking coverage. Each page includes editable inputs, practical notes, and AdSense-safe educational context.
Estimate the real cost of a returned order after shipping, fees, and resale loss.
RotoCurveDefect Rate Profit CalculatorEstimate how defect or damage rate changes average profit per order.
RotoCurveRefund Policy Margin CalculatorCompare strict and generous refund assumptions against seller margin.
RotoCurveRestocking Fee CalculatorEstimate whether a restocking fee covers return handling and resale loss.
RotoCurveExchange vs Refund CalculatorCompare keeping a customer through an exchange with issuing a full refund.
Quality and usage notes
This page is intended to help users make clearer planning decisions with transparent assumptions. Results are estimates and should be checked against official sources when money, taxes, shipping, or marketplace rules are involved.
How to use this page well
Use this page as a planning aid, not a final quote or official rule. Replace defaults with your own numbers, compare more than one scenario, and check any important fee, tax, carrier, or marketplace policy against the official source before acting.
- Use real costs instead of rounded guesses whenever possible.
- Review the result together with shipping, returns, discounts, taxes, and payment fees.
- Save or repeat the calculation when costs change, because small inputs can change profit quickly.