Reverse Sales Tax Calculator

$0.63 + 6% tax= $0.59 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)$0.63

Tax Rate (%)6%

Tax Amount$0.04

Original Price (before tax)$0.59

Calculation Steps

Final price with tax: $0.63

Convert tax rate to decimal: 6% ÷ 100 = 0.060

Calculate divisor (1 + tax rate): 1 + 0.060 = 1.060

Divide final price by divisor: $0.63 ÷ 1.060 = $0.59

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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 $0.63 with 6% tax rate, divide $0.63 by (1 + 6/100) to get the original price of $0.59. The tax amount is $0.04.