Sales Tax Calculator
Add tax to a price or pull the tax out of a total, and see the net amount, tax amount, and grand total instantly.
Calculate sales tax
Choose whether to add tax on top of a net amount or extract the tax already included in a gross total.
Choose to add tax on top or extract it from a gross total, then enter your amount and rate.
How the sales tax calculator works
Pick a mode, enter your numbers, and read the breakdown.
Choose your mode
Select whether you want to add tax to a net price or extract tax that is already inside a total.
Enter amount and rate
Type the amount you are working with and the tax rate as a percentage.
See the breakdown
The calculator shows the net amount, the tax amount, and the final total side by side.
Frequently Asked Questions
Common questions about sales tax, VAT, and GST.
Apply the right tax automatically on every invoice
Invoice My Clients adds tax to your invoices for you and keeps a clear record, so your totals are correct and your books stay tidy.