Accurate, Fast & Easy Reverse Sales Tax Calculator 2025

Contents

Reverse Sales Tax Calculator

Find the original price of an item when you know the final price with tax.

Final Price (including tax) ($)

Tax Calculation Method

Sales Tax Rate (%)

Select State

Item Name (Optional)

Note: This calculator uses state base rates. Local taxes may apply in your area.

Original Price (before tax)

$94.34

Tax Amount

$5.66

Final Price (with tax)

$100.00

Effective Tax Rate

6.00%

Original Price = Final Price ÷ (1 + Tax Rate)

$94.34 = $100.00 ÷ (1 + 0.06)

Item

General Purchase

Final Price

$100.00

Tax Rate

6.00%

Step 1: Set up the equation

Original Price = Final Price ÷ (1 + Tax Rate)

Step 2: Substitute values

Original Price = $100.00 ÷ (1 + 0.06)

Step 3: Calculate divisor

Original Price = $100.00 ÷ 1.06

Step 4: Final calculation

Original Price = $94.34

Original Price
$94.34

Tax Amount

$5.66