What does the Sales Tax Calculator work out?

Add sales tax to a price, or work backwards to the pre-tax price. It is one of the Money & Finance tools on Mondo Knows.

How is the Sales Tax Calculator calculated?

You get an instant answer with the working shown underneath.

Do I need to sign up, and is my data stored?

No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo Knows Tools

Sales Tax Calculator

Add sales tax to a price, or work backwards to the pre-tax price. Use the free sales tax calculator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.

Amount

Sales tax rate

Amount is

Mondo says

Total with tax

$108.25

Price before tax$100.00

Sales tax$8.25

Sales Tax Calculator: common questions

What does the Sales Tax Calculator work out?: Add sales tax to a price, or work backwards to the pre-tax price. It is one of the Money & Finance tools on Mondo Knows.
How is the Sales Tax Calculator calculated?: You get an instant answer with the working shown underneath.
Do I need to sign up, and is my data stored?: No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

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Facts that connect to the sales tax calculator

Short, sourced facts that point back to this tool.

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Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.