Amazon ACoS Calculator
Calculate your Amazon Advertising Cost of Sales (ACoS). Enter ad spend and ad revenue to find your ACoS percentage and determine if campaigns are profitable.
Free Marketplace Fees Calculators
19 toolsAmazon, eBay, Etsy, and Shopify fee calculators. Browse our free marketplace fees tools below — no sign-up required.
Amazon FBA Fee Calculator
Calculate Amazon FBA fees including fulfillment, monthly storage, referral fees, and net profit per unit for any product category and size tier.
Amazon Referral Fee Calculator
Calculate Amazon referral fees by product category. See the exact percentage (8‒15%) and minimum fee ($0.30) applied to your sale price.
Amazon Seller Profit Calculator
Calculate your Amazon seller profit after FBA fees, referral fees, advertising spend, and shipping costs. See net profit and margin per unit.
Break-Even ACoS Calculator
Calculate your break-even ACoS on Amazon. Enter sale price, COGS, FBA fees, and referral fee to find the maximum ACoS for profitable advertising.
E-commerce PPC Budget Calculator
Calculate the ideal daily and monthly PPC budget for your e-commerce products. Plan ad spend based on target sales, CPC, and conversion rate.
eBay Final Value Fee Calculator
Calculate eBay final value fees based on sale price, shipping, and category. See the exact fee amount and effective rate for your listings.
eBay Seller Profit Calculator
Calculate eBay seller profit after final value fees, promoted listing fees, payment processing, and shipping costs. See net margin per item.
Etsy Fee Calculator
Calculate all Etsy seller fees: $0.20 listing fee, 6.5% transaction fee, 3% + $0.25 payment processing, and Offsite Ads fee breakdown.
Etsy Seller Profit Calculator
Calculate your Etsy net profit after listing, transaction, payment processing, and shipping fees. See true margin for handmade goods.
Marketplace Profit After Fees Calculator
Calculate net profit after COGS, platform fees, payment processing, shipping, and advertising on any marketplace. See true per-unit profit.
Multi-Channel Fee Comparison Calculator
Compare net profit across 7 e-commerce channels: Amazon FBA, Amazon FBM, eBay, Etsy, Shopify, Walmart, and TikTok Shop. Find the most profitable channel.
Price Split Calculator
See how a sale price is split between you, the marketplace, and the payment processor. Visualize seller take rate and net payout per transaction.
Refund Impact & Fee Loss Calculator
Calculate the true cost of refunds: lost product, non-refundable fees, and shipping. See how refund rate affects your monthly profit and margins.
Seller Fee Comparison Calculator
Compare selling fees side by side across Amazon, eBay, Etsy, Shopify, Walmart, and TikTok Shop. See which marketplace gives you the best net.
Shopify Transaction Fee Calculator
Calculate Shopify transaction fees by plan: 0–2% transaction fee plus payment processing (2.4–2.9% + $0.30). Compare plans side by side.
Sponsored Product Bid Calculator
Calculate the maximum CPC bid for Amazon Sponsored Products. Enter your target ACoS, sale price, and conversion rate to find the optimal bid amount.
TACoS Calculator (Total Advertising Cost of Sales)
Calculate your Total Advertising Cost of Sales (TACoS). Measure ad spend as a percentage of total revenue to evaluate overall advertising efficiency.
TikTok Shop Fee Calculator
Calculate TikTok Shop seller fees including commission rates, payment processing, and affiliate commissions. Estimate your net profit per sale on TikTok Shop.