Reverse Sales Tax Calculator

$64000.00 + 10% tax= $58181.82 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)$64000.00

Tax Rate (%)10%

Tax Amount$5818.18

Original Price (before tax)$58181.82

Calculation Steps

Final price with tax: $64000.00

Convert tax rate to decimal: 10% ÷ 100 = 0.100

Calculate divisor (1 + tax rate): 1 + 0.100 = 1.100

Divide final price by divisor: $64000.00 ÷ 1.100 = $58181.82

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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 $64000.00 with 10% tax rate, divide $64000.00 by (1 + 10/100) to get the original price of $58181.82. The tax amount is $5818.18.