How to Reverse Calculate Nova Scotia Sales Tax
To back out the 15% sales tax from any Nova Scotia receipt or invoice, use the standard algebraic reverse formula:
For a total of $100.00 CAD:
- Total Paid: $100.00 CAD
- Pre-Tax Base: $100.00 ÷ 1.1500 = $86.96 CAD
- Total Tax Owed: $100.00 - $86.96 = $13.04 CAD
Breakdown: HST Component (100% of tax): $13.04 CAD
