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v2.4.0 • Updated 2026

GST Calculator

Quickly calculate Goods and Services Tax for your bills. Toggle between adding tax or removing tax from a final price.

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Price & Tax Details

18%GST Applied
Net Price(Without Tax)
10,000.00
Total GST(18%)
1,800.00
CGST: ₹ 900.00|SGST: ₹ 900.00
Final Bill11,800.00
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GST Guide

What is the difference between Exclusive & Inclusive?

  • GST Exclusive: Tax is added on top of the price.
    Example: Product ₹1000 + 18% GST = Bill ₹1180.
  • GST Inclusive: Tax is included inside the final price.
    Example: You sold an item for ₹1180. This calculator reverse-calculates that the original value was ₹1000 and tax was ₹180.

Current GST Tax Slabs in India

The 4 major GST slabs are:

  • 5%: Household necessities (Edible oil, sugar, spices, tea).
  • 12%: Computers, processed food, mobiles.
  • 18%: Capital goods, toiletries, industrial intermediaries, services (Most common).
  • 28%: Luxury items (Cars, ACs, cigarettes, aerated drinks).

Understanding CGST, SGST, and IGST

If you sell within the same state, tax is split equally into CGST (Central) and SGST (State). If you sell to another state, a single tax IGST (Integrated) applies.

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When Should You Use These Calculators?

Whether you're saving, spending, or investing — here's exactly when this calculator can help you make a smarter decision.

Analyzing Profit Margins

Calculate gross and net profit margins to understand how profitable your business really is.

profit margin calculator, business profitability

Evaluating ROI on Investments

Estimate return on investment before committing money to marketing, equipment, or new projects.

ROI calculator, return on investment

Setting Business Growth Targets

Plan realistic revenue and profit goals using data-driven calculations.

business growth planning, revenue targets

Pricing Your Products or Services

Determine the right selling price by analyzing costs, markup, and desired profit.

pricing calculator, markup calculator

Managing Business Taxes

Quickly estimate GST and other tax calculations to stay compliant and plan expenses.

GST calculator, business tax calculation

Planning Inventory & Costs

Analyze cost per unit and total expenses to improve inventory and purchasing decisions.

cost per unit calculator, inventory cost analysis

Calculating Break-Even Points

Find out when your business will start making a profit based on costs and revenue.

break-even calculator, business break even point

Forecasting Business Revenue

Estimate future revenue and financial performance to guide long-term planning.

revenue forecast calculator, business financial planning

Comparing Business Strategies

Compare different pricing models, investments, or growth strategies before making decisions.

business strategy comparison, financial decision tools

Ready to crunch some numbers? It's free & takes less than a minute.

Popular calculator use cases

  • Analyzing Profit Margins: profit margin calculator, business profitability
  • Evaluating ROI on Investments: ROI calculator, return on investment
  • Setting Business Growth Targets: business growth planning, revenue targets
  • Pricing Your Products or Services: pricing calculator, markup calculator
  • Managing Business Taxes: GST calculator, business tax calculation
  • Planning Inventory & Costs: cost per unit calculator, inventory cost analysis
  • Calculating Break-Even Points: break-even calculator, business break even point
  • Forecasting Business Revenue: revenue forecast calculator, business financial planning
  • Comparing Business Strategies: business strategy comparison, financial decision tools