PEI Reverse HST Calculator 2026: Back Out 15% Tax
Pre-filled with PEI's 15% statutory HST rate. Back out tax from gross receipts to isolate pre-tax costs and calculate CRA Input Tax Credit (ITC) claims.
Pre-filled with PEI's HST rate
About PEI Sales Tax
Prince Edward Island (PEI) levies a Harmonized Sales Tax (HST) rate of 15%. This rate is pre-loaded into the PEI calculator.
The rate applies uniformly across Charlottetown, Summerside, and the entire island province.
Tax Rates in Major PEI Cities
* Unlike in the US, Canadian provinces apply sales tax uniformly across all municipalities. City-level or county-level surcharges do not exist in Canada.
Input Tax Credit (ITC) Reconciliation for PEI Businesses
Eligible Tax & CRA Filing Target
Eligible Tax: 15% Harmonized Sales Tax (HST)
Filing Return: CRA Form GST34-2 (Line 106 / Line 108 Input Tax Credits)
Recovery Rate: 100% of the 15% HST paid is eligible for commercial ITC recovery
CRA Documentary Rules & Recovery Guidelines
- Under CRA statutory guidelines, GST/HST-registered businesses in PEI can recover 100% of the 15% HST paid on eligible commercial purchases and operating expenses.
- Statutory Reverse Formula: Pre-Tax Amount = Total Paid ÷ 1.15. Claimable ITC = Total Paid - Pre-Tax Amount.
- CRA Documentary Requirements: Invoices exceeding $30 must clearly state the supplier's 9-digit Business Number (BN / GST/HST registration number), transaction date, and total paid. Invoices over $150 require the buyer's business name and itemized tax breakdown.
- Time Limit: Eligible ITCs can generally be claimed within 4 years from the due date of the return for the reporting period in which the purchase was made.
Worked Example for PEI Receipt
For a $115.00 tax-inclusive receipt in PEI: Divide $115.00 by 1.15 to find your $100.00 pre-tax operating expense. The remaining $15.00 is your exact claimable Input Tax Credit entered on CRA Line 106.
When to Use This Calculator in PEI
Island expense reconciliations
Accountants reconcile island transactions by backing out the 15% harmonized tax from the total paid.
Frequently Asked Questions: PEI Taxes
How do I remove HST in Prince Edward Island?+
Divide the final price by 1.15. For example, $57.50 / 1.15 is $50.00 pre-tax. The HST portion is $7.50.