ToolCubbySales Tax Calculator
Add a sales tax rate to an amount and instantly see the tax charged and the total you'll pay.
$108.50
How to use
- Enter the amount before tax.
- Enter the sales tax rate as a percentage.
- Click Calculate to see the tax and the total including tax.
FAQ
How is the total computed?
Tax = amount × rate ÷ 100; Total = amount + tax. At $100 and 8.5%: tax $8.50, total $108.50.
How do I get the price before tax?
Total ÷ (1 + rate/100). A $108.50 price at 8.5% means a pre-tax amount of $100.
Can I use any currency?
Yes — the calculator just multiplies and adds, so it works for any currency's units.
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More FAQs
Is this calculator free?
Yes, it is completely free with no signup and no limits.
Does it run in my browser?
Yes. Everything is calculated locally on your device — nothing is uploaded.
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