How to Use Invoice Calculator
- 1
Add line items with description, quantity, and unit price
- 2
Add one or more tax rates (VAT, GST, etc.) as percentages
- 3
Apply a discount as a percentage or fixed amount
- 4
Copy the grand total or print the invoice summary
Frequently Asked Questions
Can I add multiple tax rates?
Yes. You can add multiple named tax rates (e.g., Federal Tax 10%, State Tax 5%) and they are all applied to the subtotal.
How is the discount applied?
Discounts are applied to the subtotal before tax. You can enter a percentage or a fixed amount.
What currencies are supported?
USD, EUR, GBP, SAR, AED, CAD, AUD, and JPY are available via the currency selector.

