Reverse Sales Tax Calculator

$6.26 + 15% tax= $5.44 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)$6.26

Tax Rate (%)15%

Tax Amount$0.82

Original Price (before tax)$5.44

Calculation Steps

Final price with tax: $6.26

Convert tax rate to decimal: 15% ÷ 100 = 0.150

Calculate divisor (1 + tax rate): 1 + 0.150 = 1.150

Divide final price by divisor: $6.26 ÷ 1.150 = $5.44

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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 $6.26 with 15% tax rate, divide $6.26 by (1 + 15/100) to get the original price of $5.44. The tax amount is $0.82.