GST Composition Scheme Calculator
Enter your turnover and business type to see composition tax payable at a flat rate — with the CGST/SGST split and an instant eligibility check.
Composition tax breakdown
Get your composition returns filed by a CA
We handle CMP-08, annual GSTR-4 and keep you compliant with the composition scheme.
Disclaimer: Indicative estimate under the GST composition levy (Sec 10 of the CGST Act). Actual liability may vary with reverse-charge tax, exempt supplies and state rules. Verify eligibility before opting in.
Composition rates by business type
The composition scheme lets small taxpayers pay GST at a flat percentage of turnover instead of the normal rate on every invoice. The rate is fixed by your line of business, and it is always split equally between CGST and SGST.
Rates & eligibility caps
You can only opt for the composition scheme if your aggregate turnover stays within the prescribed limit. Cross the cap and you must switch to the regular scheme from that point.
| Trader / Manufacturer | 1% |
| Restaurant / food service | 5% |
| Service provider (2019 scheme) | 6% |
| Goods (trader / mfr / restaurant) | ₹1.5 Cr |
| Goods — special-category states | ₹75 L |
| Services (2019 scheme) | ₹50 L |
Composition tax — worked examples
Composition tax is simply turnover multiplied by your rate. Here is what a few businesses would pay for the year:
Composition vs the regular scheme
No input tax credit
A composition dealer cannot claim ITC on purchases. The flat rate is the total tax — the GST you paid to suppliers becomes a cost, unlike the regular scheme where you set it off.
No interstate outward supply
Composition dealers can only sell within their state. Making interstate outward supplies (or supplying through e-commerce operators) disqualifies you from the scheme.
Cannot collect tax
You cannot charge GST on your invoices or issue a tax invoice — only a bill of supply. The composition tax comes out of your own margin, not from the customer.
Simpler returns
Pay quarterly via CMP-08 and file one annual GSTR-4, instead of monthly GSTR-1 and GSTR-3B — the main compliance benefit of the scheme.
How is composition tax calculated?
As a flat percentage of turnover in the state for the quarter — 1% for traders and manufacturers, 5% for restaurants, and 6% under the scheme for small service providers. No input tax credit is set off against it.
Is composition tax charged on taxable turnover or total turnover?
For a manufacturer or trader, on the turnover of taxable supplies in the state. Exempt supplies are excluded from the base for traders, and the aggregate turnover test for eligibility is computed separately on a PAN-India basis.
Does a composition dealer pay reverse charge tax separately?
Yes, at the normal rate applicable to the inward supply, over and above the composition levy, with no credit available for it.
What returns does a composition dealer file?
CMP-08 quarterly by the 18th of the following month, and the annual return GSTR-4 by 30 June after the year ends.
What must be printed on the bill?
A composition dealer issues a bill of supply carrying the words "composition taxable person, not eligible to collect tax on supplies", and must display the same declaration at the place of business.
Disclaimer: This tool gives indicative results for general guidance only and is not professional advice. Please verify with a qualified CA before acting on the numbers.