Reverse Sales Tax Calculator

$2000.00 + 30% tax= $1538.46 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)$2000.00

Tax Rate (%)30%

Tax Amount$461.54

Original Price (before tax)$1538.46

Calculation Steps

Final price with tax: $2000.00

Convert tax rate to decimal: 30% ÷ 100 = 0.300

Calculate divisor (1 + tax rate): 1 + 0.300 = 1.300

Divide final price by divisor: $2000.00 ÷ 1.300 = $1538.46

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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 $2000.00 with 30% tax rate, divide $2000.00 by (1 + 30/100) to get the original price of $1538.46. The tax amount is $461.54.