GST Exclusive: Use this when your entered amount does NOT include GST. The calculator will add GST on top and show you the final amount payable.
GST Inclusive: Use this when your entered amount already includes GST. The calculator will break it down into the base price and GST component.
Type in the base amount for exclusive calculation or the total amount for inclusive calculation.
Choose the applicable rate: 0%, 5%, 18%, or 40% (or enter a custom rate if your product/service falls under a different slab).
Choose if the supply is Intra-state (CGST + SGST) or Inter state (IGST).
That's it. No sign-up, no downloads - just quick, accurate GST calculations whenever you need them.
Dual Calculation Modes: Switch seamlessly between GST-inclusive and GST-exclusive calculations depending on your invoicing or pricing need.
All GST Slabs Covered: Supports standard rates (0%, 5%, 18%, 40%) plus custom rate entry for special cases.
Instant, Error-Free Results: Removes the risk of manual calculation mistakes on invoices, quotations, and financial statements.
CGST/SGST & IGST Breakdown: Get a clear split of tax components so you know exactly what's applicable.
Free & Unlimited Use: No login, no restrictions, calculate as many times as you need.
Mobile-Friendly: Works smoothly on any device, so founders and finance teams can calculate on the go.
Startup founders, freelancers, small business owners, accountants, and anyone who needs to quickly calculate GST while creating invoices, setting product prices, or reviewing vendor bills, can use this calculator. This is completely free of cost and for error free calculations.
GST (Goods and Services Tax) is a single, unified indirect tax levied on the supply of goods and services across India. Introduced on July 1, 2017, GST replaced multiple cascading taxes like VAT, Service Tax, Excise Duty, and others, bringing India under a "One Nation, One Tax" system.
GST is charged at every stage of the supply chain but is ultimately borne by the end consumer, with businesses able to claim Input Tax Credit (ITC) on the tax they've already paid on purchases.
GST is categorized into:
CGST (Central GST): Collected by the Central Government
SGST (State GST): Collected by the State Government
IGST (Integrated GST): Applicable on inter-state transactions, collected by the Central Government
Legal Recognition: GST registration gives your business legal standing to collect tax from customers and issue GST-compliant invoices.
Input Tax Credit (ITC): Claim Input Tax Credit for GST paid on business purchases, reducing your overall tax outgo.
Seamless Interstate Business: Sell across state lines without the compliance headaches of the pre-GST regime.
Higher Credibility: A GSTIN builds trust with vendors, investors, and B2B clients, especially important when working with larger companies or government tenders.
Eligibility for E-commerce Selling: Mandatory for selling on e-commerce platforms like Amazon, Flipkart, and Meesho.
Composition Scheme Access: Small businesses with turnover under the threshold can opt for the Composition Scheme, enjoying lower tax rates and simplified compliance.
Avoid Penalties: Operating above the mandatory turnover threshold without GST registration attracts penalties, registering keeps your startup compliant from day one.
Access to Loans & Funding: Many lenders and investors view GST compliance as a sign of a legitimate, well-run business.
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