GST Calculator – Calculate GST Inclusive & Exclusive Amounts Instantly
Use PaisaOne's free GST Calculator to determine the Goods and Services Tax (GST) amount on any transaction. Calculate GST inclusive prices, exclusive amounts, and tax breakdowns across all GST slabs (5%, 12%, 18%, 28%) with accurate results.
Looking for pre-approved offers with competitive rates?
Compare verified offers from 30+ RBI-registered lenders with zero impact on your credit score.
₹59,000
What is a GST Calculator?
A GST Calculator is a free online tool designed to calculate the Goods and Services Tax (GST) applicable on goods and services in India. It helps individuals, businesses, freelancers, and accountants calculate the net price, GST amount, and gross price for both GST-inclusive and GST-exclusive transactions across standard tax slabs (5%, 12%, 18%, and 28%).
- 100% Free with zero hidden calculation fees
- Aligned with verified RBI & statutory tax models
- Instant amortization and compounded corpus outputs
- No login or personal financial information required
How to Use GST Calculator
Streamline your personal financial planning with an easy, automated process — calculate, plan, and achieve your financial targets.
Enter the Base Amount
Enter the price or cost of the product or service in Indian Rupees (₹).
Select the GST Rate
Choose the applicable GST slab — 5%, 12%, 18%, 28%, or enter a custom rate.
Choose Inclusive or Exclusive
Select whether the entered price includes GST or if GST needs to be added.
How is GST Calculated?
GST Exclusive Formula (Adding GST): GST Amount = (Original Cost × GST Rate) ÷ 100 Total Amount = Original Cost + GST Amount GST Inclusive Formula (Removing GST): GST Amount = Original Cost − [Original Cost ÷ (1 + GST Rate ÷ 100)] Net Amount = Original Cost − GST Amount
Recommended Financial Calculators
Discover complementary calculators to optimize your borrowing, investments, and tax outgo.
Income Tax Calculator
Compare your tax outgo under Old vs New Tax Regimes with full deductions for Section 80C, 80D, and HRA.
Budget Calculator
Organize monthly earnings, categorize spending, and balance financial goals using the 50/30/20 budget framework.
Personal Loan EMI
Estimate your monthly installment, total interest payable, and overall loan repayment schedule instantly.
Home Loan EMI
Calculate your monthly housing loan EMI, amortisation schedule, and total interest outgo for property purchase.
Explore Financial Products
Access transparent financial products from India's leading financial institutions.
Instant Personal Loan
Compare competitive rate offers from 30+ RBI-approved lenders with fast digital disbursal.
Credit Score Analysis
Check your bureau score for free with actionable insights to improve creditworthiness.
Affordable Home Loans
Low interest rates and flexible tenures for purchasing or renovating your dream home.
Best Credit Cards
Find credit cards matched to your lifestyle with cashback, airport lounge access, and rewards.
Frequently Asked Questions
Get clear answers about GST Calculator calculations, interest components, and eligibility terms.