Know Your Real Profit Before You Sell
Stop guessing what you'll actually take home. These calculators show your real profit after PayPal, Stripe, Etsy, eBay, and every other platform takes their cut.
PayPal
Goods & Services, F&F, Invoice, QR
eBay
Final value fees, insertion fees
Shopify
Plan-based processing fees
Square
In-person, online, invoice
Amazon FBA
Referral, FBA, storage fees
Etsy
Transaction, processing, listing fees
Stripe
Online, in-person, international
Poshmark
Flat fee or 20% commission
Mercari
10% selling + processing fee
Depop
Payment processing only
Venmo
Business, G&S, personal
Cash App
Business payments 2.75%
Vrbo
5% commission + 3% processing, 8% total
Discount
Percent off + sales tax
Profit Margin
Margin vs markup + benchmarks
Markup
Markup %, selling price, keystone reference
Commission
Flat, tiered, real estate (post-NAR 2024)
Depreciation
SL, DB, MACRS, Units + Section 179 + bonus
Stock Profit
Capital gains, LTCG/STCG tax, net return
Pay Raise
Salary increase + pay period breakdown
Overtime
Time and a half + weekly breakdown
Time & Half
Overtime rate + double time + tax deduction
TikTok Shop
8% referral fee + optional affiliate commission
Airbnb Host
3% split-fee or ~15.5% host-only model
Break-Even
Units, revenue & contribution margin
COGS
Inventory method, direct method, gross profit
Bill Split
Split restaurant bill evenly with tip
Upwork Fees
Service fee, net pay & rate to charge
Stripe vs Square
Side-by-side fee & feature comparison
Every calculator here is free, works offline, and doesn't need a signup. We check all fee data against official pricing pages.