Accurate GST calculation for all tax slabs (0.25%, 3%, 5%, 12%, 18%, 28%) - Free, Fast & Reliable!
A GST calculator is an essential tool for businesses and individuals in India to accurately compute Goods and Services Tax (GST) amounts. Our free online GST calculator helps you determine the exact tax payable under different GST slabs (5%, 12%, 18%, 28%) and generates professional invoices compliant with Indian tax regulations.
Unlike basic calculators, our comprehensive tool supports multiple calculation methods including standard GST calculation, reverse GST calculation, composition scheme tax computation, and invoice generation. Whether you're a business owner, accountant, or consumer, our GST calculator simplifies tax compliance and financial planning.
Key features: All GST slabs supported, reverse calculation capability, composition scheme calculator, professional invoice generator, mobile-friendly interface, and 100% accurate calculations as per Indian tax laws.
Our GST calculator offers significant advantages for businesses and individuals:
Precise calculations as per latest GST rules and tax slabs.
Instant results eliminate manual calculation errors.
Standard, reverse, composition, and invoice tools in one place.
Works perfectly on smartphones, tablets, and desktops.
Free to use without any signup requirements.
Generate GST-compliant invoices instantly.
Using our GST calculator is simple and straightforward:
Choose between standard, reverse, composition, or invoice.
Input the base amount or total amount as required.
Pick the applicable GST slab (5%, 12%, 18%, or 28%).
View detailed breakdown of tax components instantly.
For invoices, simply fill in customer details, item description, quantity, rate, and GST percentage to generate professional GST invoices ready for printing or download.
Our calculator supports all GST calculation approaches:
Calculates tax amount from base price:
Base Price × (GST%/100) = GST Amount
Extracts base price from total:
Total Amount ÷ (1 + GST%/100) = Base Price
For small businesses:
Turnover × Composition Rate = Tax Liability
Our calculator supports all current GST tax slabs:
Essential items like fresh food, milk, books, etc.
Transport, economy hotels, small restaurants
Computers, mobile phones, business class air tickets
Most goods and services fall under this category
Automobiles, luxury hotels, tobacco, aerated drinks
CGST (Central GST) and SGST (State GST) apply to intra-state transactions, while IGST (Integrated GST) applies to inter-state transactions. Our calculator automatically determines the correct tax type based on your needs.
Our calculator provides 100% accurate results based on current Indian GST laws and is regularly updated with any tax rate changes.
Yes, our invoice generator allows adding multiple line items with different GST rates to calculate the total tax amount.
Absolutely! Many small and medium businesses use our tool for daily GST calculations and invoice generation.
After generating an invoice, use your browser's print function (Ctrl+P) to print or save as PDF.
Our web-based calculator works perfectly on all mobile browsers. No app installation needed.
Our GST Calculator is optimized for these search terms: