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financial / Free Online Tool
Sales Tax Calculator.
Calculate net price, gross tax values, and purchase totals with sales tax percentages.
Input Parameters
Computed Results
Primary Metric
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Comments & Feedback.
Documentation
User manual & function guide.
Detailed manual explaining every function, input parameter, and operational example for the Sales Tax Calculator.
Base Price
FunctionPre-tax purchase cost.
Example Operation
Base Price = $150.00 Tax Rate
FunctionSales tax percentage rate.
Example Operation
Tax Rate = 8.25% Sales Tax Calculation
FunctionComputes exact tax amount and grand total.
Example Operation
$150.00 @ 8.25% tax = $12.38 tax -> Total = $162.38 Frequently asked questions.
How do I calculate sales tax?
Multiply the pre-tax price by the tax rate as a decimal. For example, $150 at 8.25% tax: $150 × 0.0825 = $12.38 tax, for a total of $162.38.
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