🧭 Browse calculators by topic
Marketplace & Seller Fees
eBay, Etsy, Amazon, Shopify, Airbnb, Vrbo, Poshmark, Depop and Mercari fee calculators.
Creator & Platform Payouts
Patreon, Gumroad, Kickstarter, Stripe, PayPal, Twitch and YouTube earnings.
Income, Tax & Salary
Income tax, take-home pay, hourly-to-salary, sales tax and VAT calculators.
ROI, Profit & Growth
ROI/CAGR, NPV/IRR, markup vs margin, break-even and pricing tools.
🏪 Marketplace Fees
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Etsy Fee Calculator
Calculate Etsy listing, transaction, and payment fees.
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Etsy EU VAT
EU VAT impact on your Etsy sales price.
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Etsy Offsite Ads
ROI from Etsy's offsite ad program.
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eBay Fee Calculator
Final value fees, insertion fees, and more.
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eBay International Fees
Global shipping and currency conversion fees.
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Amazon FBA Revenue
Calculate FBA fees, shipping, and net profit.
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Amazon FBM Profit
Fulfill by Merchant — profit breakdown.
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Shopify Fees
Shopify plan fees + transaction costs.
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Poshmark Fee Calculator
Poshmark commission and selling costs.
🎨 Creator Economy
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Patreon Fee Calculator
Patreon platform fees and what you keep.
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Gumroad Fee Calculator
Gumroad platform fees for digital products.
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Kickstarter Fee Calculator
Crowdfunding platform fees and processing.
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YouTube Money Calculator
Estimate YouTube AdSense earnings by views.
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YouTube RPM by Country
How much YouTube pays per 1000 views worldwide.
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Twitch Bits to USD
Convert Twitch Bits to real dollars.
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Twitch Sub Revenue
Twitch subscription payout calculator.
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Freelance Rate Calculator
Set your hourly rate based on desired salary.
📈 Finance & Pricing
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Markup & Margin
Calculate markup from cost or target margin.
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Break-Even Calculator
How many units to sell to cover costs.
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Amortization Schedule
Full month-by-month loan payment table.
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Credit Card Payoff
Months to clear a balance and total interest.
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NPV & IRR
Net present value and internal rate of return.
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ROI & CAGR
Total return and annualized growth rate.