GST Calculator
Add or remove GST from any amount. Supports all standard Indian GST rates.
Results
Need to send a GST invoice?
BillingBee auto-calculates GST and generates compliant invoices in seconds.
How to use this GST calculator
Choose Add GST if you have a base price and want to find the total amount your customer pays. Choose Remove GST (reverse calculation) if you have the GST-inclusive total and want to find the original base amount.
Select the applicable GST rate — 5%, 12%, 18%, or 28% — then enter your amount. Results update instantly and show the CGST and SGST split (each half the total rate) for intra-state transactions.
GST rates in India
- 5% — Essential goods, some food items, economy travel
- 12% — Processed foods, business class air travel, some textiles
- 18% — Most services, electronics, software (most common rate)
- 28% — Luxury goods, automobiles, tobacco
Frequently Asked Questions
GST (Goods and Services Tax) is India's unified indirect tax system. It's calculated by applying the applicable rate (5%, 12%, 18%, or 28%) to the base price of goods or services. For example, a ₹10,000 service with 18% GST results in ₹1,800 tax and a total invoice of ₹11,800.