Calculating the Goods and Services Tax (GST) is a daily task for businesses, freelancers, and accountants in India. Whether you are generating an invoice for a client and need to add 18% GST to your base fee, or you received a total bill and need to extract the base price (reverse GST), doing the math manually can lead to costly accounting errors. A dedicated online GST calculator eliminates these mistakes.
Adding GST (Exclusive Calculation)
This is the most common scenario. You have a product or service with a base price of ₹10,000, and a GST rate of 18% applies. The formula is: (Base Price x GST Rate) / 100. In this case, ₹1,800 is the GST amount, making the final bill ₹11,800.
Removing GST (Inclusive Calculation)
Reverse GST calculation is required when a product is sold at an MRP (Maximum Retail Price) which already includes the tax. If you buy a phone for ₹20,000 (inclusive of 18% GST), you need to find the base value to claim Input Tax Credit. The formula is: (Total Price x 100) / (100 + GST Rate). Using this, the base price is ₹16,949.15 and the GST component is ₹3,050.85.
Using the EveryTool GST Calculator
- Go to the GST Calculator on EveryTool.
- Enter your amount in the input field.
- Select the GST rate slab (5%, 12%, 18%, or 28%).
- Click 'Add GST' if your amount is the base price.
- Click 'Remove GST' (Inclusive) if your amount is the final price.
- The calculator instantly displays the Net Amount, Total GST, and the CGST/SGST split.
If you are billing an interstate client, the entire tax component is charged as IGST. If billing within your state, split it equally into CGST and SGST.