Reverse Sales Tax Calculator

$160.00 + 23% tax= $130.08 Original Price (before tax)

See exactly how we calculated the pre-tax price from your tax-inclusive amount. Our step-by-step breakdown shows the precise mathematics behind removing sales tax from a total price.

Quick Reference

Final Price (with tax)$160.00

Tax Rate (%)23%

Tax Amount$29.92

Original Price (before tax)$130.08

Calculation Steps

Final price with tax: $160.00

Convert tax rate to decimal: 23% ÷ 100 = 0.230

Calculate divisor (1 + tax rate): 1 + 0.230 = 1.230

Divide final price by divisor: $160.00 ÷ 1.230 = $130.08

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How It Works

To find the original price before tax, divide the tax-inclusive amount by (1 + tax rate as decimal). This calculator handles the math for you, showing each step of the process.

The Formula

Original Price = Final Price ÷ (1 + Tax Rate%/100)

Example Calculation

For a final price of $160.00 with 23% tax rate, divide $160.00 by (1 + 23/100) to get the original price of $130.08. The tax amount is $29.92.