Invoice tools and calculators.
Check totals, VAT, sales tax, discounts, margins and due dates before you send an invoice. Free, instant and private.
Pick a calculator
Each one gives you an instant answer you can copy onto your invoice.
Totals and tax
Check the numbers before they go on an invoice.
Invoice calculator
Subtotal, discount, tax and shipping in one total.
Open →VAT calculator
Add VAT to a net price or take it out of a gross price.
Open →Sales tax calculator
Work out sales tax and the price your customer pays.
Open →Discount calculator
See the saving and final amount for any discount.
Open →Pricing and profit
Set prices and rates that cover your costs.
Dates, numbers and fees
Keep invoices consistent and paid on time.
Ready to create the document?
Frequently asked questions
About the free invoice calculators.
Are these calculators free?
Yes. Every calculator is free to use with no account and no limits.
Is my data saved?
No. The calculators run in your browser and nothing you type is sent to our server.
Can I turn the result into an invoice?
Yes. Open the free invoice generator, enter your figures and download a PDF.
Is this tax advice?
No. The calculators are aids for checking numbers. Confirm tax rates and rules with your tax authority or an accountant.
Got your numbers? Create the invoice.
Free, no sign-up and ready to download as a PDF.