Margin Ruler

FBA Profit Calculator

Calculates FBA fulfillment fee, referral fee, storage residence, and net profit given product cost, price, category, weight, size tier, and months on hand…

Amazon FBA is active. Other marketplace modules stay marked as planned until audited.

Real Amazon fees, dated to sourceNo account or emailPrivate unless you save
Methodology

FBA Profit Calculator. Estimates per-unit FBA profit after unit cost, referral fee, closing fee where applicable, simplified fulfillment fee, and blended storage multiplied by per-product months on hand.

Fee schedule/source date: Amazon US marketplace/FBA fee audit verified 2026-05-08.

Read the formula, inclusions, exclusions, and fee-category audit →

Calculator
Regional pages

Regional pages

Margin Ruler keeps a regional page for every active country so calculators stay tied to the local landing context. Browse below; the calculator math is the same on each.

Australia

Canada

New Zealand

United States