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E-Commerce & Seller Tools
5 free tools for online sellers: Amazon FBA fees, affiliate commissions, Etsy fees, PayPal fees, and mileage reimbursement. All free, instant, no signup.
Amazon FBA Calculator
Calculate FBA fees, referral fees, storage costs, and net profit per unit with 2025 Amazon rates.
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Amazon Affiliate Calculator
Estimate Amazon Associates earnings by category, conversion rate, and monthly traffic volume.
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Etsy Fee Calculator
Full Etsy fee breakdown: listing, transaction, payment processing, and offsite ads. Net profit per sale.
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PayPal Fee Calculator
Calculate PayPal fees and find how much to charge to receive an exact amount. Reverse calculator included.
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Mileage Reimbursement Calculator
Calculate business mileage reimbursement at the 2025 IRS standard rate of 70 cents per mile.
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Free tools built for everyone
Every tool in this category runs entirely in your browser. Nothing you enter is stored on our servers. Your financial data, income figures, and business details never leave your device. No account required, no cost, no upsells.
If you find an error or want to suggest a new tool, let us know. We build what our users ask for.