GST / Tax Calculator

Calculate GST, VAT, sales tax and other taxes with detailed breakdown. Add or remove tax from prices with step-by-step explanations and visual representations.

💰 GST / Tax Calculator

Choose calculation mode and enter values

Add GST/Tax to Base Price

Calculate final price by adding tax to the base price. Use this when you have the price before tax and want to find the total price including tax.

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Remove GST/Tax from Final Price

Calculate base price by removing tax from the final price. Use this when you have the total price including tax and want to find the original price before tax.

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📊 Tax Calculation Results

Detailed breakdown with tax analysis

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🔧 How to Use the GST/Tax Calculator

1
Choose Calculation Mode
Select "Add Tax" to calculate final price from base price, or "Remove Tax" to find base price from final price. Each mode is designed for different scenarios - adding tax for pricing products, removing tax for cost analysis.
2
Enter Price Amount
Input the price amount in the designated field. The calculator automatically formats currency with commas for easy reading. You can enter whole numbers or decimals for precise calculations.
3
Set Tax Rate
Enter the tax rate manually or use quick buttons for common GST rates (5%, 12%, 18%, 28%). The calculator supports decimal rates like 8.5% for precise tax calculations across different regions and tax types.
4
View Detailed Results
Get instant results with complete breakdown showing base price, tax amount, tax rate, and total. Visual chart helps understand the proportion of tax to base price for better financial planning.

❓ Frequently Asked Questions

What is GST and how is it calculated in India? +
GST (Goods and Services Tax) is a comprehensive indirect tax levied on the supply of goods and services in India. It has four main rates: 5%, 12%, 18%, and 28%, with some items exempt or at 0%. GST is calculated as: GST Amount = (Base Price × GST Rate) ÷ 100. For example, on a ₹1000 item with 18% GST: GST = (1000 × 18) ÷ 100 = ₹180, making the total price ₹1180.
What's the difference between tax-inclusive and tax-exclusive pricing? +
Tax-exclusive pricing shows the base price without tax, and tax is added separately (common in B2B transactions). Tax-inclusive pricing shows the final price with tax already included (common in retail). For tax-exclusive: Final Price = Base Price + Tax. For tax-inclusive: Base Price = Final Price ÷ (1 + Tax Rate). Understanding this helps in proper pricing strategies and cost calculations.
How do I calculate the original price from a tax-inclusive amount? +
To find the original price from a tax-inclusive amount, use the formula: Original Price = Tax-Inclusive Price ÷ (1 + Tax Rate/100). For example, if the final price is ₹1180 with 18% GST: Original Price = 1180 ÷ (1 + 18/100) = 1180 ÷ 1.18 = ₹1000. The tax amount would be ₹1180 - ₹1000 = ₹180. Use our "Remove Tax" mode for this calculation.
Can I use this calculator for taxes other than GST? +
Yes, this calculator works for any percentage-based tax including VAT, sales tax, service tax, or custom duties. The mathematical principles are the same regardless of the tax type. Simply enter the applicable tax rate for your region or tax type. The calculator is particularly useful for international businesses dealing with different tax systems and rates.
How accurate are the tax calculations for business use? +
Our calculator provides high precision suitable for business use, handling decimal places accurately. However, for official business transactions, always verify calculations and consider rounding rules specific to your jurisdiction. Some tax authorities have specific rounding requirements (round to nearest paisa, etc.). The calculator is excellent for estimates, quotations, and general business planning purposes.
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