Sales Tax Calculator – Add or Remove Tax from Any Price
Calculate sales tax and total price. Works in reverse too — remove tax from a tax-inclusive price.
📊 Finance📐 Tax = Price × Rate / 100 | Pre-tax = Total / (1 + Rate/100)
Price ($)
Tax rate (%)
Please enter valid values.
Formula & Reference
| Variable | Formula | Units |
|---|---|---|
| Sales Tax Calculator – Add or Remove Tax from Any Price | Tax = Price × Rate / 100 | Pre-tax = Total / (1 + Rate/100) | $ total |
Step-by-Step Examples
Example 1
$49.99 at 8.5%
$49.99 price, 8.5% tax.
- Tax: $4.25 | Total: $54.24
✓ $54.24
Example 2
Remove Tax from $108
$108 total includes 8% tax.
- Pre-tax = $108/1.08 = $100 | Tax = $8
✓ Pre-tax: $100
Example 3
High Tax State
$200 item at 10.25% tax.
- Tax: $20.50 | Total: $220.50
✓ $220.50
Real-World Applications
Shoppers
Know the real price before checkout.
Sellers
Add correct tax to any price.
Business
Calculate sales tax for any transaction.
Accountants
Remove tax from tax-inclusive prices.
Common Mistakes to Avoid
⚠️
Inclusive vs exclusive tax
If price already includes tax, divide by (1 + rate). Don't multiply by rate again — that double-counts.
⚠️
Stacked sales taxes
Total = state + county + city rate. All three apply simultaneously.
Frequently Asked Questions
US sales tax by state? ▾
No sales tax: OR, NH, MT, DE, AK. Highest combined: TN (9.55%), LA (9.55%). Average: ~8.8%.
Common tax-exempt items? ▾
Groceries, medicine, and clothing are often exempt or reduced-rate. Varies by state.
Sales tax vs VAT? ▾
US uses point-of-sale tax (added at checkout). Europe uses VAT (included in displayed prices).