Sales Tax Rate Calculator
Determine the exact effective sales tax percentage charged on any invoice or receipt from pre-tax cost and tax paid.
Calculated Tax Rate Results
Sales Tax Rate Percentage Formula
Tax Rate % = (Sales Tax Paid ÷ Pre-Tax Price) × 100 | Tax Per $10 = (Tax Rate % ÷ 100) × 10 | Tax Per $100 = Tax Rate %- Pre-Tax Price: The original item price or net invoice amount before taxes.
- Sales Tax Paid: The specific dollar amount of tax itemized on the receipt.
- Effective Tax Rate: The statutory combined tax rate expressed as a percentage.
Step-by-Step Worked Example
Calculation Steps:
How to Use This Calculator
Assumptions & Limitations
- Assumes tax was applied uniformly across the entire pre-tax subtotal.
Frequently Asked Questions
What if my receipt includes both taxable and exempt items?
Only enter the taxable portion into the pre-tax field; otherwise, dividing total tax by total receipt will give a blended rate lower than your true statutory municipal rate.
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