5-in-1 Online GST Calculator
Calculating Goods and Services Tax (GST) is essential for transparent business billing and accounting. This 5-in-1 GST Calculator helps you instantly add or remove tax, run reverse calculations, and split totals into CGST and SGST.
How the Calculator Modes Work
1. Standard GST Calculator
Computes the applicable tax amount on any net base price and provides the final invoice value instantly.
2. Add GST Mode
Used when you have an exclusive base price and want to add the specific tax percentage to find the gross billing amount.
3. Remove GST Mode
Ideal when dealing with tax-inclusive (MRP) prices, allowing you to extract the original base cost and tax component cleanly.
4. GST Reverse Calculator
Helps accountants and business owners back-calculate original values and input tax credits (ITC) from gross transaction figures.
5. CGST / SGST Split Calculator
For intra-state transactions, this mode automatically divides the total calculated GST equally into 50% CGST (Central Tax) and 50% SGST (State Tax).
GST Calculation Formulas
Remove GST: Tax Amount = Gross Price – [Gross Price ÷ (1 + GST Rate / 100)]
Standard GST Slabs in India
| GST Rate | Applicability & Categories |
|---|---|
| 0% (Exempt) | Unbranded essential foods, healthcare services |
| 5% | Household necessities, mass consumption goods |
| 18% | Standard industrial goods, IT and professional services |
| 40% | Luxury items, tobacco, and specified sin goods |
Frequently Asked Questions (FAQs)
For transactions within the same state, the total GST is split equally: CGST goes to the Central Government, and SGST goes to the State Government.
Exclusive price means tax needs to be added on top, while inclusive price already bundles the tax inside the final listed cost.