To calculate the base price (non-GST/exclusive price) from a total GST-inclusive amount, divide the total amount by ( 1 + GST percentage / 100 ) ( 1 + G S T p e r c e n t a g e / 1 0 0 ) . For example, with an 18% GST rate, divide the total by 1.18 1 . 1 8 . The formula is: Base Price = Total Amount 1 + ( GST Rate 100 ) B a s e P r i c e = T o t a l A m o u n t 1 + ( G S T R a t e 1 0 0 ) .
Subtracting GST:
Example
You can quickly work out the cost of a product excluding GST by dividing the price of the product including GST by 11. This will give you the amount of GST applied to the product. You then multiply that figure by 10 to calculate the value of the product excluding GST.
Firstly, divide the GST-inclusive price by (1 + (GST rate/100)) to determine the base price. Lastly, subtract this value from the total price. Yes, you can use the reverse GST calculator for all GST types—CGST, SGST, and IGST.
Calculation: Base Price: ₹50,000. GST Amount: ₹50,000 × 18% = ₹9,000. Total Amount: ₹50,000 + ₹9,000 = ₹59,000.
How do you remove GST?
Yes, you can sell products online without GST in India by ensuring they are non-taxable goods. Selling taxable items requires a registered GST number. Even if your yearly revenue for taxable items is less than ₹20 lakhs, you will still need a GSTIN to sell the goods.
Removing GST with Constant Rate from the Total Amount
The price with GST includes both the price and the GST. If the GST rate is 10%, the price we have now is 110% of the original price. That is why we need to divide the price with GST in D2 cell by 110, and then multiply the result by 100 to get the price without GST.
So the pre-tax subtotal was $60. The GST is the difference between this and the aftertax total: $63 - $60 = $3. You can see that to find the total before GST all you need to do is divide by 1.05.
Understanding GST Rate Reduction
Starting September 22, 2025, the GST Council reduced the number of tax slabs from four to two main rates: 5% merit rate for essential and priority items and 18% standard rate for most other goods and services. There is also a special 40% rate for luxury and sin goods.
Net price = Original cost – GST
For example, if the cost of a product after GST of 18% is Rs. 118, its original cost is 118 – [100/(100 + 18%)}], which equates to Rs. 100.
Currently, the GST Exemption Limit is set at Rs. 40 lakhs for goods and Rs. 20 lakhs for services. Businesses with annual revenues below these limits are not mandated to register for GST; however, they may opt to do so voluntarily.
GST is a broad-based tax of 10% on most goods, services and other items sold or consumed in Australia. To work out the cost of an item including GST, multiply the amount exclusive of GST by 1.1. To work out the GST component, divide the GST inclusive cost by 11.
Subtracting GST:
To calculate how much GST is included in a price, just divide by 11. To calculate how much the price was before GST, just divide by 1.1.
How to remove tax from the total amount? To remove tax from the total amount, first calculate the pre-tax amount using the formula: Pre-tax Amount = Total Amount / (1 + Tax Rate/100). Then subtract the pre-tax amount from the total amount to find the tax amount.
GST is leviable only if aggregate turnover is more than 20 lacs. (Rs. 10 lacs in 11 special category States). For computing aggregate supplies turnover of all supplies made by you would be added.
Key items exempted from GST:
Cost of Good/Service - ₹50,000. Total GST - ₹9,000.
Five U.S. states have no statewide sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon, often remembered by the acronym NOMAD, though local jurisdictions in Alaska and Montana may have their own, and other taxes like gross receipts or income taxes fund services instead.
With the free GST calculator, you can calculate the tax amount in three simple steps. The tool provides you with three fields that have to be filled, and it calculates GST automatically based on what you fill in. Enter the price of the goods or services in the Amount field.