Free Calculators

Know Your Real Profit Before You Sell

Free fee calculators for Amazon, Shopify, Etsy, eBay, and 7 more marketplaces. Stop guessing your margins — calculate your exact fees and profit per sale.

How It Works

Three steps to understand your real profit

Step 1

Pick Your Marketplace

Choose from 11 major ecommerce platforms including Amazon, Shopify, Etsy, eBay, and more.

Step 2

Enter Product Details

Input your product price, cost of goods, and shipping cost. Select a category if applicable.

Step 3

See Your Real Profit

Get an instant breakdown of all marketplace fees, your net profit, and profit margin percentage.

Fee Calculators

Choose Your Marketplace

Calculate fees and profit margins for any of these 11 ecommerce platforms

Amazon FBA

Fulfillment by Amazon charges referral fees, FBA fulfillment fees, and monthly storage fees.

Amazon FBM

Fulfillment by Merchant means you handle shipping yourself — you pay Amazon's referral fee but avoid FBA fulfillment and storage costs.

Shopify

Shopify charges a monthly subscription plus payment processing fees — no referral or commission fees on sales.

Etsy

Etsy charges a 6.5% transaction fee, $0.20 listing fee, and payment processing fees on every sale.

eBay

eBay charges a final value fee (up to 13.25%) plus $0.30 per order, with rates varying by product category.

Walmart Marketplace

Walmart charges referral fees by category (averaging 15%) with no monthly subscription or setup fees.

TikTok Shop

TikTok Shop charges an 8% referral fee on sales with no subscription or listing fees.

Poshmark

Poshmark takes a 20% commission on sales over $15 and a flat $2.95 fee on sales under $15.

Depop

Depop charges no selling fee — only payment processing at 3.3% + $0.45 per transaction.

Mercari

Mercari charges a 10% selling fee plus 2.9% + $0.50 in payment processing on every sale.

Facebook Marketplace

Facebook Marketplace charges a 5% selling fee on shipped orders (or $0.40 minimum) with no subscription costs.

Fee Comparisons

Compare Marketplace Fees

See how fees stack up side by side on the same product

Amazon vs Shopify

Side-by-side fee comparison

Amazon vs Ebay

Side-by-side fee comparison

Amazon vs Walmart

Side-by-side fee comparison

Amazon vs Etsy

Side-by-side fee comparison

Amazon vs Tiktok Shop

Side-by-side fee comparison

Amazon Fba vs Fbm

Side-by-side fee comparison

Tired of Manually Tracking Fees Across Marketplaces?

Futureproof automatically categorizes your transactions, tracks marketplace fees, and gives you real-time P&L — starting at $49/mo.