Free Calculators for Creators and Sellers, Plus an Invoice Maker
Work out platform fees, royalties and earnings before you set a price, and make a PDF invoice in a minute. Free, with no sign-up.
Calculators and business
Creator Platform Fee CalculatorCompare what you keep from one digital product sale on Gumroad, Lemon Squeezy, Payhip, Etsy and Stripe, using 2026 published fees.
Etsy Fee Calculator 2026See 2026 Etsy listing, transaction, processing and Offsite Ads fees for one order and see your profit.
Invoice GeneratorMake a professional invoice in a minute: your logo, client, items, tax or VAT, discount, any of 20 currencies and a due date.
KDP Royalty CalculatorEstimate Amazon KDP royalties per sale: Kindle ebooks at 35% or 70% with delivery costs, and paperbacks at 50% or 60% minus printing.
YouTube Money CalculatorEstimate YouTube ad earnings from monthly views, with Shorts and long videos counted separately and RPM ranges by niche.
How these calculators work
Type in your price, costs or views and the result updates as you type. The numbers are estimates based on published rates, so check the platform's own page before you rely on them.
Frequently asked questions
Where do the fee rates come from?
From each platform's published fee and royalty pages, and for YouTube earnings from published studies of ad revenue per view. Each calculator page explains where its numbers come from.
Is what I type saved anywhere?
No. The calculations run in your browser and nothing you type is sent to us.
Can I make an invoice without an account?
Yes. The invoice generator needs no account and adds no watermark. You download the invoice as a PDF or print it.