Calculate GST, VAT, Sales Tax, and HST for India, UK, USA, and Canada with visual breakdowns and step-by-step explanations.
Calculate GST on products and services globally. Supports multiple countries and tax systems.
Currently calculating: GST in India
| Country | Tax System | Standard Rate | Currency |
|---|---|---|---|
| India | GST | 18% | ₹ (INR) |
| United Kingdom | VAT | 20% | £ (GBP) |
| United States | Sales Tax | 7% (avg) | $ (USD) |
| Canada | HST/GST | 5-15% | $ (CAD) |
* Rates shown are standard/average rates. Actual rates may vary by state, province, or product category.
GST is a unified indirect tax system that replaced multiple layers of taxation across India. It simplifies tax collection by consolidating various state and central taxes into one streamlined framework. Whether you are a business owner, freelancer, or consumer, understanding GST helps you accurately price products, maintain compliance, and make informed financial decisions.
GST is divided into four main components, each serving a specific purpose based on where goods or services are sold:
CGST (Central GST)
Collected by the Central Government on intra-state sales (within the same state). For example, if you buy a laptop in Delhi from a Delhi-based seller, CGST applies.
SGST (State GST)
Collected by State Governments on intra-state sales alongside CGST. Both CGST and SGST together equal the total GST rate for transactions within one state.
IGST (Integrated GST)
Applies to inter-state sales (between two different states) or imports. For example, buying goods from Maharashtra and shipping them to Karnataka involves IGST. The central government collects IGST and later distributes it to the respective states.
UTGST (Union Territory GST)
Works like SGST but applies to Union Territories without their own legislature, such as Chandigarh or Lakshadweep.
GST is applied at different rates depending on the type of product or service. Choosing the correct rate is crucial for accurate pricing, maintaining compliance, and ensuring profitability. Here are the standard GST slabs used in India:
0%
Essential Items
Includes basic food items like milk, bread, and fresh vegetables. These are exempt to keep essentials affordable.
5%
Necessities
Applied to items like sugar, tea, coffee, edible oils, and transportation services to keep daily necessities affordable.
12%
Standard Goods
Includes computers, processed food, and mobile phones. This rate balances affordability with revenue generation.
18%
Most Common Rate
The default rate for most goods and services, including electronics, financial services, and restaurant bills.
28%
Luxury Items
Applied to luxury goods, tobacco, automobiles, and certain appliances. This discourages excess consumption while generating higher revenue.
Variable
Special Items
Some items like petrol, diesel, and alcohol are not under GST and have separate state and central taxes.
Selecting the right GST rate affects your final selling price, profit margins, and compliance records. Always check the latest HSN code and rate classification for your product category.
Different countries use different tax systems to collect revenue on goods and services. Here is how GST compares to VAT and Sales Tax:
| Tax Type | Tax Structure | Applicability | Transparency | Input Tax Credit |
|---|---|---|---|---|
| GST (India) | Unified multi-stage tax with CGST, SGST, and IGST | All goods and services except exempted items | High - Every stage is documented | Yes - Full credit available at each stage |
| VAT (UK, EU) | Value Added Tax applied at each stage of production | Most goods and services, varies by country | High - Similar to GST, tracks value addition | Yes - Input tax offset available |
| Sales Tax (USA) | Single-stage tax applied only at final sale | Goods only, varies by state (some states exempt) | Moderate - Only final sale is taxed | No - No input tax credit mechanism |
GST and VAT are more transparent than Sales Tax because they track value addition at every stage of production and distribution. This reduces tax evasion and allows businesses to claim input tax credits, making the overall tax burden lighter for compliant businesses.
While GST is used in India, HST (Harmonized Sales Tax) is used in certain Canadian provinces. Both are consumption taxes, but they differ in structure and administration:
The key difference is that HST combines federal and provincial taxes into a single harmonized rate, making tax collection simpler in participating Canadian provinces. GST in India, however, splits taxes between central and state governments to maintain fiscal independence for states.
This calculator is designed to simplify GST calculations for businesses, freelancers, and consumers. Whether you need to add GST to a base price or remove GST from an invoice total, the tool handles both forward and reverse calculations instantly.
Understanding how GST is calculated helps you verify invoices, set accurate prices, and avoid errors. Here is how the calculator works:
Example: Forward Calculation
Base Price: ₹10,000
GST Rate: 18%
GST Amount: ₹10,000 × 18 / 100 = ₹1,800
Total Amount: ₹10,000 + ₹1,800 = ₹11,800
The calculator automatically adds GST to your base amount and shows the total payable.
Example: Reverse Calculation
Total Amount (including GST): ₹11,800
GST Rate: 18%
Base Amount: ₹11,800 / 1.18 = ₹10,000
GST Amount: ₹11,800 - ₹10,000 = ₹1,800
The calculator removes GST from the total to reveal the original base price, useful for verifying invoices.
Modern GST calculators like this one go beyond basic addition and subtraction. They offer advanced features that save time, reduce errors, and improve decision-making for businesses and individuals:
Quickly find out the base price and GST amount from a total invoice value. This is essential for accountants and businesses reconciling supplier invoices.
Verify whether the GST charged by a vendor is accurate. Enter the base amount and rate, then compare the result with the invoice to spot discrepancies.
If you are setting product prices, use this calculator to determine the final price customers will pay after GST is added. This helps you stay competitive while covering tax obligations.
Manual GST calculations are prone to mistakes, especially when dealing with multiple rates or large volumes. This calculator eliminates human error and provides instant, accurate results every time.
Calculate GST for India, VAT for the UK, Sales Tax for the USA, and HST for Canada—all in one tool. Freelancers and businesses operating globally benefit from this flexibility.
The built-in history feature lets you review past calculations, making it easier to track recurring transactions or compare different scenarios.
Whether you are a small business owner, freelancer, or accountant, this calculator streamlines your GST workflow and helps you maintain compliance effortlessly.
Calculations are based on 2025–26 tax laws and standard rates. Tax rates may vary by region, product category, and local regulations. Always verify with an official tax consultant or your country's tax authority before making financial decisions.
Formulas used for calculating GST and reverse GST
GST Amount = Base Amount × (GST Rate / 100)
Total Price (with GST) = Base Amount + GST Amount
Base Amount = Total Price / (1 + GST Rate / 100)
GST Rate = 5%, 12%, 18%, or 28% (depending on product)
GST stands for Goods and Services Tax. It is a comprehensive indirect tax on the supply of goods and services in India.
India has four standard GST rates: 5% (essential items), 12% (general items), 18% (most common), and 28% (luxury items and vehicles).
Yes, reverse GST is used when you know the price including GST and need to find the base price and GST amount. This calculator supports both forward and reverse calculations.
Yes, this calculator uses the standard GST formulas and is accurate for all GST calculations. However, always verify complex calculations with official sources.