Calculate GST Calculator | Canada GST, PST, QST & Reverse Tax Estimator 2026 — Free Online Tool
Add or remove GST, PST, QST & HST tax.
Calculate GST, PST, QST, and HST sales tax across Canada, Pakistan, India, and globally. To add tax: multiply amount by (1 + Tax Rate / 100). To remove tax (Reverse GST): divide total price by (1 + Tax Rate / 100). Select your Canadian province or country preset below.
Taxation Compliance Note: Pakistan's standard federal sales tax remains structured at 18% on taxable goods. Services fall under provincial tax structures (ranging from 13% to 16% across SRB, PRA, and KPRA). Always verify specific product class exemptions.
Live 5% Tax Invoice Reference Matrix
| Standard Base Price | Tax Added (+5%) | Total Payable | Tax Removed (Reverse) | Net Base Price |
|---|---|---|---|---|
| $100 | +$5 | $105 | -$4.76 | $95.24 |
| $500 | +$25 | $525 | -$23.81 | $476.19 |
| $1,000 | +$50 | $1,050 | -$47.62 | $952.38 |
| $5,000 | +$250 | $5,250 | -$238.1 | $4,761.9 |
| $10,000 | +$500 | $10,500 | -$476.19 | $9,523.81 |
Supplementary Commercial Utilities
GST in Pakistan — FBR Rules & Current Rates (2026-27)
General Sales Tax (GST) in Pakistan is governed by the Federal Board of Revenue (FBR) under the Sales Tax Act 1990. The standard rate on goods is 18% as of FY 2026-27, up from the previous 17%. Services are taxed provincially: SRB (Sindh) charges 13%, PRA (Punjab) 16%, KPRA (KPK) and BRA (Balochistan) each 15%.
📐 GST Formula (Adding Tax)
🔄 Reverse GST Formula (Removing Tax)
Canada Sales Tax Rates by Province (GST, PST, QST, HST 2026)
In Canada, goods and services tax relies on Canada Revenue Agency (CRA) guidelines. Taxes vary by province:
| Province | Tax Type | GST Rate | PST / QST Rate | Total Combined Tax |
|---|---|---|---|---|
| Ontario | HST | Included | Included | 13.00% HST |
| British Columbia (BC) | GST + PST | 5.00% | 7.00% PST | 12.00% Combined |
| Quebec | GST + QST | 5.00% | 9.975% QST | 14.975% Combined |
| Alberta | GST Only | 5.00% | 0.00% | 5.00% GST |
| Manitoba | GST + PST | 5.00% | 7.00% PST | 12.00% Combined |
| Saskatchewan | GST + PST | 5.00% | 6.00% PST | 11.00% Combined |
Frequently Asked: GST Calculations
How to Use This Tool
- Choose a fast country preset or enter a custom local tax rate.
- Input your transactional base or total invoice amount.
- Toggle mode between 'Add Tax' or 'Remove Tax' (Reverse calculations).
- Export the generated tax breakdown including CGST/SGST splits where applicable.
Formula & Specifications
Add GST: Total = Net Amount × (1 + Rate/100) | Remove GST: Net = Gross Amount ÷ (1 + Rate/100)
About Calculate GST Calculator | Canada GST, PST, QST & Reverse Tax Estimator
Estimate local and global GST or VAT totals instantly. Calculate reverse tax exclusions, inclusive aggregates, and regional split tax breakdowns for invoices and billing receipts.
Frequently Asked Questions
How do I calculate Reverse GST (extract tax)?
To calculate reverse GST and extract the base price out of a tax-inclusive total, divide the gross amount by (1 + Tax Rate / 100). For instance, for a $105 price with 5% Canadian GST, Net = $105 ÷ 1.05 = $100 base price and $5 GST.
What is the GST rate in Canada (GST, PST, QST, HST)?
In Canada, federal GST is 5%. Depending on the province: Alberta has 5% GST only; British Columbia (BC) has 5% GST + 7% PST (12% total); Ontario has 13% HST; Quebec has 5% GST + 9.975% QST (14.975% total); and Atlantic provinces have 15% HST.
How does reverse GST calculation work in Ontario and BC?
In Ontario (13% HST), reverse GST calculates base price by dividing total by 1.13. In BC (12% GST+PST), divide total by 1.12. In Quebec (14.975% GST+QST), divide total by 1.14975.
What are the sales tax jurisdictions in Pakistan & India?
Pakistan applies a federal Sales Tax of 18% standard on physical goods. India applies GST at 5%, 12%, 18%, and 28% slabs, split evenly into CGST and SGST for intra-state sales.
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Expert Note
This tool uses the latest international formulas and rates. All tax slabs, tariffs, and duty rates are sourced from official publications. Results are for estimation purposes. Built and maintained by the PakDigitalz team.
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