Saskatchewan Reverse GST + PST Calculator
Saskatchewan combines 5% GST with 6% PST—typically 11% on the pretax base. Enter the combined rate from your receipt for prairie retail and farm supply purchases.
Enter the total you paid (GST + PST included) and your rate.
Step 2 — Your breakdown
We reverse the tax using the standard formula:
Enter a total and tax rate to see your breakdown.
C$111 tax-included often means C$100 pretax with C$6 PST and C$5 GST. PST registration rules apply to sellers shipping taxable goods into Saskatchewan.
Do not confuse with Manitoba's 7% RST or Ontario HST—divisors differ by province.
Regina and Moose Jaw buyers comparing tax-included quotes from Alberta suppliers must apply 1.11 on SK deliveries, not the ship-from province rate.
Resource-sector buyers in Saskatoon reverse tax on tax-included MRO invoices. Remote community deliveries still use Saskatchewan rates when the sale is SK-sourced.
Potash and agriculture cooperatives often publish tax-included seasonal bundles—split PST and GST before margin analysis on pretax commodity values.
Out-of-province retailers with Saskatchewan nexus must register for PST and collect on taxable goods delivered into the province. Reverse tax on marketplace gross deposits using the 11% combined rate, not a generic Canada average.
PST-exempt categories including certain farm machinery and production inputs may leave only 5% GST on specific lines. Read each invoice row before applying one divisor to the grand total.
pretax = total ÷ 1.11 for standard taxable retail.
Cross-border prairie ecommerce must charge destination-province tax—Saskatchewan orders use 1.11 even when the warehouse sits in Manitoba or Alberta.
| Rate | Category | Examples |
|---|---|---|
| 11% combined | Typical combined rate | 5% GST plus 6% provincial sales tax. |
| GST 5% | Federal component | Applies across Canada; provinces may add PST/HST on top. |
| Varies | Provincial portion | In Saskatchewan, provincial rules determine the full rate on taxable goods and services. |
C$555 inclusive at 11% on C$500 pretax.
Pretax C$500 | Tax C$55 | Total C$555
File PST with Saskatchewan and GST with CRA when registered. Regina and Saskatoon sellers should keep marketplace settlement CSVs showing 11% splits on tax-inclusive gross—not HST or Alberta GST-only rates.
Typically 11% (5% GST + 6% PST) on standard taxable goods.
1.11 for standard taxable totals.
Saskatchewan does not use HST.
BC is 12% (7% PST); Saskatchewan is 11% (6% PST).
