Seller Fee Sensitivity Calculator

See how seller profit changes when percentage fees move around the current rate while other costs stay fixed.

Seller Fee Sensitivity Calculator

See how seller profit changes when percentage fees move up or down around your current rate.

Enter unit economics
Advanced sensitivity assumptions
Profit change per fee point
$0.00
Fee sensitivity table

For beginners: how to read this result
One point is price-basedA one percentage point fee change equals 1% of selling price.
Fixed costs do not moveProduct cost, fulfillment and ads stay constant in each scenario.
Monthly impact scalesSmall per-unit fee changes become large at high unit volume.
Use your own seller fee terms. This calculator does not include official fee tables, taxes, storage or penalty charges.

This calculator isolates the effect of seller fee changes on unit profit. It keeps product cost, fulfillment, ads and fixed order fees constant, then shows profit at lower and higher fee rates around the current rate.

How to use it

Enter selling price, product cost, fulfillment cost and the current seller fee rate. Advanced assumptions let you include ad cost per unit, fixed order fee, sensitivity step and monthly unit volume.

What is not included

The result does not include official fee schedules, tax, storage fees, penalty fees, payment holds, price changes, conversion effects or demand changes caused by repricing.