GST calculator

GST isn’t one number worldwide. Australia, Canada, India, and Singapore all differ, so you type the rate for the sale. This starts from a price before GST, the way a lot of invoices are written.

Result

GST

$20.00

Total

$220.00

Here’s one

$200 before a 10% GST

$200 before a 10% GST means $20 of tax and a $220 total. If $220 already includes that 10%, it’s the same $20 of GST sitting on a $200 net.

How it works

Before tax, we add your percent. If GST is already in the price, we pull that percent back out.

Good for

A supplier quoted GST as a percent and you want the dollars, either way around.

If you’re wondering

You might also want

VAT calculator
Add VAT, or pull it back out of a price. You type the rate.
Sales tax calculator
Add sales tax on top of a price. You type the rate.
Tax-inclusive calculator
You paid one total. Here’s the price and the tax hiding inside it.

Don’t file a return from this

A rough look at the bill. Your return, your payroll, and your state can all come out different.

Result

Here’s one

$200 before a 10% GST

How it works

Good for

If you’re wondering

Is GST 10% everywhere?

How is this different from the VAT page?

You might also want

VAT calculator

Sales tax calculator

Tax-inclusive calculator