RubanTools

GST Calculator

Add GST to get the final price, or remove GST to find the base price. Intra-state (CGST + SGST) and inter-state (IGST) breakdown included.

GST Details

GST Slabs & Items

0% / Exempt

Fresh food (vegetables, fruits, milk), unbranded atta/rice, healthcare, education, basic banking, public transport (local).

5%

Essential goods: packaged food, coal, life-saving drugs, economy class air tickets, small restaurants, fertilizers, textiles (basic).

12% / 18%

12%: processed food, mobile phones, AC restaurants. 18%: most services (IT, telecom), electronics, paints, AC hotel rooms, financial services.

28%

Luxury and sin goods: cars (plus cess), pan masala, tobacco, aerated drinks, luxury hotels, gambling, high-end consumer electronics.

GST Calculator - India's Goods and Services Tax

Goods and Services Tax (GST) is India's comprehensive indirect tax that replaced a fragmented system of central and state levies - including Central Excise Duty, Service Tax, VAT, and CST - on 1 July 2017. Often described as India's most significant tax reform since Independence, GST operates on a dual structure: CGST (Central GST) and SGST (State GST) for intra-state transactions, and IGST (Integrated GST) for inter-state transactions. As of 2024, India has registered over 14 million GST taxpayers and the monthly GST collection regularly exceeds Rs 1.7 lakh crore.

GST Rate Slabs in India

India's GST Council (chaired by the Union Finance Minister) has established five primary rate slabs. Essential goods like unbranded cereals and fresh vegetables are taxed at 0%. Household necessities, processed foods, and medicines attract 5%. Standard manufactured goods and services fall under 12% or 18%. Luxury and sin goods (premium cars, tobacco, aerated beverages) carry 28% base GST, often supplemented by a Cess. Knowing the correct slab is mandatory for GST invoicing under the GST Act - incorrect rates attract interest at 18% per annum plus penalties.

How This Calculator Works

Enter a price and select the GST rate slab. Choose "Add GST" to calculate the GST-inclusive (MRP) price from a base price, or "Remove GST" to extract the base price and GST amount from a GST-inclusive figure. The tool also shows the CGST and SGST breakdown (each half of the total GST rate) for intra-state reference. Results are displayed instantly, suitable for quick invoice checks, quotations, and exam practice for CA, CMA, and MBA Finance students.

GST Calculator Questions

India has five GST slabs: 0% (essential items - fresh vegetables, milk, eggs, books), 5% (packaged foods, transport, restaurants without AC), 12% (processed foods, medicines, mobile phones), 18% (most goods and services - computers, FMCG, restaurants with AC), and 28% (luxury goods, automobiles, tobacco, aerated drinks). Gold attracts 3% GST.

For intra-state supply (within the same state), GST is split equally between CGST (Central GST) and SGST (State GST). For example, 18% GST intra-state = 9% CGST + 9% SGST. For inter-state supply (across state borders), IGST (Integrated GST) is charged at the full rate and distributed by the central government.

To remove GST from an inclusive price: Base price = Inclusive price ÷ (1 + GST rate/100). GST amount = Inclusive price – Base price. Example: GST-inclusive price ₹1,180 at 18% GST → Base price = ₹1,180 ÷ 1.18 = ₹1,000; GST = ₹180. Our calculator handles both adding GST to a base price and removing GST from an inclusive price.

Gold attracts 3% GST on the value of gold, plus 5% GST on making charges. For example, a gold necklace worth ₹50,000 with ₹5,000 making charges: GST on gold = ₹1,500 (3%); GST on making charges = ₹250 (5%); Total GST = ₹1,750. Silver also attracts 3% GST. Precious stones other than diamonds are taxed at 0.25%.

GST registration is mandatory if annual turnover exceeds ₹40 lakh (goods suppliers) or ₹20 lakh (service providers) in most states. In northeastern and special category states, thresholds are ₹20 lakh for goods and ₹10 lakh for services. E-commerce operators, inter-state suppliers, and those making taxable supplies must register regardless of turnover.