GST in seconds. Speak or type.
Say "3500 rupees 18 percent" — get CGST/SGST breakdown, UPI QR, and a PDF invoice. Built for Bharat's shop counters.
AI GST console
engine.gst_v2
Try: "3500 rupees 18 percent" · "5000 inclusive 12"
Create full invoices with voice. Bill in seconds.
Start with GreenKhata — freeGST guide for every shopkeeper
GST (Goods and Services Tax)is India's unified indirect tax since July 2017 — one nation, one tax from manufacture to consumer. GreenKhata helps you get calculations and invoices right so you focus on sales, not spreadsheets.
GST slabs
Five main rate slabs — our calculator supports all of them.
0%
Fruits, vegetables, milk, cereals
5%
Sugar, edible oil, coal, tea
12%
Processed food, butter, mobiles
18%
Soap, AC, most services
28%
Luxury cars, sin goods, cement
Types of GST
CGST
Central GST on intra-state sales.
SGST
State GST on intra-state sales.
IGST
Integrated GST on inter-state sales.
UTGST
Union Territory GST in UTs without legislature.
How our engine works
Enter amount and GST % — or speak "3500 rupees 18 percent". Get base amount, CGST, SGST, total, UPI QR, and PDF invoice. Free for every shopkeeper. Sign up for full GSTIN billing with customers and audit trail.
FAQs
No, GST registration is only mandatory if your annual turnover exceeds ₹20 lakh (₹10 lakh in special category states). Below that, it's optional — unless you sell on e-commerce or want input tax credit.
Right GST understanding, right bill — on GreenKhata
Professional GST bills with correct calculations — free, fast, and built for Bharat.
India's first voice + AI billing platform
Built for India's 6.5+ crore shopkeepers. Create bills with voice, automate GST, and grow faster with AI-first workflows.
6.5Cr+
Indian shopkeepers
Voice
Hindi & English
Pan-India
Any device
voice.capture() → invoice.build() → delivery.dispatch()
Built with feedback from real shop owners
GreenKhata is crafted after listening to dukandars across India — faster billing, voice commands, and GST clarity in one flow.
“Started billing by voice — 10× faster than before!”
Ajay Grocery Store, Delhi
“Calculator is on the side now. Everything is easier with GreenKhata.”
Seema General Store, Lucknow
“What took 5 minutes now takes 1 minute with voice!”
Ramesh Supermart, Jaipur