Amazon seller tools
Amazon returns economics · Free · No signup
Amazon Return Cost Calculator
Turn a return-rate assumption into expected monthly processing, shipping, refund-admin and unrecoverable-inventory cost.
Browser-local arithmeticEditable fee assumptionsUSD · GBP · EUR
Amazon seller profit lab
Return-cost exposure
Expected monthly return cost
$300.00
- Expected returned units
- 40.0
- Cost / return
- $7.50
- Gross sales tied to returns
- $1,599.60
What this answers
How many returned units should this sales volume imply at the entered return rate?
What is the expected cost per return after processing, shipping and unrecoverable COGS?
How much monthly profit can returns consume before you notice it in headline revenue?
Recurring pain = paid opportunity
The calculator is free. Rebuilding the model every week should not be.
Solarc Labs is building toward saved SKU models, repeated profit checks, inventory monitoring, alerts and exports. The paid boundary is automation and retained workflow—not access to basic arithmetic.