--- title: "Indian GST Calculator - CGST, SGST, IGST Online | ShoutingNow" description: "Free Indian GST calculator with CGST, SGST/UTGST & IGST split. Intra-state & inter-state supply, 5%, 40% slabs, tax-inclusive or exclusive amounts." url: "https://shoutingnow.com/tools/indian-gst-calculator/" image: "https://shoutingnow.com/wp-content/uploads/2026/07/shoutingnow-preview-scaled.webp" --- # Indian GST Calculator Calculate CGST, SGST/UTGST, and IGST for intra-state or inter-state supplies. Enter an amount, pick inclusive or exclusive GST, select a rate slab, and get an instant tax breakdown. ## How to use the Indian GST calculator 1. Enter the amount in rupees (₹). 2. Choose whether the amount is exclusive or inclusive of GST. 3. Select a GST rate (5%, 18%, 28%, or 40% for cess-heavy goods). 4. Pick supply type: Intra-state splits tax into CGST + SGST/UTGST; Inter-state applies full IGST. 5. Click Calculate to see a receipt-style breakdown on the right. ## CGST, SGST, UTGST, and IGST explained India runs a dual GST model. Sell something **intra-state** (buyer and seller in the same state or union territory) and the tax splits evenly between the centre and the state: - CGST (Central GST), which the central government collects - SGST (State GST), or UTGST in union territories, which the state or UT collects Cross a state border, though, and the full rate applies as **IGST** (Integrated GST) instead, which gets apportioned between the centre and the consuming state further down the line. ### Intra-state formulas ### Inter-state formula ### Worked example : ₹1,000 at 5% intra-state (exclusive) Taxable value = **₹1,000**. Total GST = ₹50. **CGST = ₹25**, **SGST/UTGST = ₹25**, **IGST = ₹0**. Total inclusive = **₹1,050**. ### Worked example : ₹1,000 at 5% inter-state (exclusive) Taxable value = **₹1,000**. **IGST = ₹50**. CGST and SGST are zero on inter-state invoices at source. Total inclusive = **₹1,050**. ## Indian GST rate slabs (2026) RateTypical goods & services 0.25%Rough diamonds 1.5%Cut & polished diamonds 3%Gold, silver, platinum (excluding making charges) 5%Essential goods, packaged food, transport 12%Processed foods, business-class air travel 18%Standard rate, most goods and services 28%Luxury, sin goods, automobiles 40%28% GST + compensation cess on select items (e.g. luxury cars, tobacco) *Rates and cess categories change via GST Council notifications, verify on [gst.gov.in](https://www.gst.gov.in) before filing GSTR returns.* ## GST inclusive vs exclusive amounts If your invoice total already has GST baked in, select **Inclusive of GST** and the calculator works backward to find the taxable value, the same reverse formula we walk through in our [GST calculator guide](https://shoutingnow.com/blog/gst-calculator-guide/). Need a fixed 5% slab without the CGST/SGST split? The [5% GST Calculator](https://shoutingnow.com/tools/5-percent-gst-calculator/) handles that. ### Who should use this tool? Small businesses & freelancers Get the CGST/SGST or IGST lines right on an invoice before uploading it to the GST portal. E-commerce sellers Check inter-state IGST on marketplace settlements without pulling out a spreadsheet. Students & CA aspirants Practice intra vs inter-state splits and see the step-by-step receipt output as you go. ## More GST calculators Explore country-specific and rate-specific GST tools, or read the full [GST calculator guide](https://shoutingnow.com/blog/gst-calculator-guide/) for formulas and jurisdiction notes. - By country Australia GST Calculator - Canadian GST Calculator - Singaporean GST Calculator - NZ GST Calculator - Malaysian GST Calculator - Egyptian GST Calculator - Jordanian GST Calculator - Jersey GST Calculator - Maldivian GST Calculator - Papua New Guinean GST Calculator **By rate ($)**- 5% GST Calculator - 6% GST Calculator - 10% GST Calculator - 15% GST Calculator Also see our [Sales Tax Calculator](https://shoutingnow.com/tools/sales-tax-calculator/) for U.S. state and local rates. ## Frequently Asked Questions ### What is the difference between CGST, SGST, and IGST? **CGST** and **SGST/UTGST** both apply on *intra-state* sales, and each one covers half the total GST rate. **IGST** applies on *inter-state* sales at the full rate instead. This calculator splits things out automatically once you tell it the supply type. ### When should I select intra-state vs inter-state? Go with **intra-state** when supplier and buyer sit in the same state or UT. Pick **inter-state** once goods or services cross a state border, that's when IGST applies on the invoice instead. ### What are the current GST rates in India? The common slabs run **5%, 12%, 18%, and 28%**, with special rates at 0.25%, 1.5%, and 3% for a handful of categories, plus a **40%** rate where compensation cess kicks in. This calculator quick-picks 5%, 18%, 28%, and 40% since those cover most everyday cases. ### How do I calculate GST on an inclusive price? Select **Inclusive of GST**, enter the total, choose your rate and supply type, then hit Calculate. Under the hood, taxable value = Total ÷ (1 + rate/100), and CGST/SGST or IGST follows from there. ### Why is SGST labeled SGST/UTGST? Most states levy **SGST**, but union territories without their own legislature levy **UTGST** instead. Functionally they're the same, both are the state-share component equal to CGST on intra-state supplies. ### Is this Indian GST calculator official for GSTR filing? No, it's built for estimates, invoicing practice, and learning the mechanics. File your actual returns through the GST portal and lean on a chartered accountant for compliance questions. Our [GST calculator guide](https://shoutingnow.com/blog/gst-calculator-guide/) has more background too. ### What does the 40% GST rate mean? That 40% figure usually reflects **28% GST plus 12% compensation cess** on specified luxury and sin goods, think certain automobiles or tobacco. 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