Invoice Total Calculator
Invoice Total Calculator
Calculate your invoice total in seconds
Add line items, set your tax rate and discount — get the exact amount to charge your client. Free, instant, no signup.
How to use the Invoice Total Calculator
This free invoice calculator lets you quickly add line items with descriptions, quantities, and unit prices. It automatically calculates your subtotal, applies any tax rate you enter, and subtracts discounts — giving you the exact invoice total to send to your client.
It works for freelancers, contractors, small business owners, and anyone who needs to calculate an accurate invoice total without opening spreadsheet software.
Frequently Asked Questions
How do I calculate an invoice total with tax?
Add your line items, then enter your local tax rate (e.g. 8.25 for 8.25%) in the Tax Rate field. The calculator automatically adds the tax amount to your subtotal to give you the final total due.
Can I add a discount to my invoice?
Yes. Enter a flat dollar amount or switch to percentage discount using the Discount Type dropdown. The discount is applied to the subtotal before tax is calculated.
How many line items can I add?
As many as you need. Click "Add line item" to add more rows. Each row has a description, quantity, and unit price field.
Can I save or print my invoice?
Click "Print / Save PDF" to open your browser's print dialog, where you can save the invoice as a PDF. You can also click "Copy Total" to copy the final amount to your clipboard.
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