Find the original price and GST amount from a GST-inclusive amount.
Enter the total amount including GST and select the applicable GST rate.
Enter the amount that already includes GST.
Select the applicable GST rate for the transaction.
The calculator separates the taxable amount and GST component.
To calculate the original amount from a GST-inclusive price, divide the total amount by 1 plus the GST rate divided by 100.
The GST component can then be calculated by subtracting the original amount from the GST-inclusive amount.
If the total amount is ₹11,800 and it includes 18% GST:
Original Amount = ₹10,000
GST = ₹1,800
Total = ₹11,800
A GST-inclusive amount is a price that already contains the applicable GST component.
Enter the GST-inclusive amount above and select 18% to calculate the original amount and GST component.
Yes. For the intra-state example, the GST amount is divided equally between CGST and SGST.
Explore our other free GST tools for quick and easy GST calculations.
Calculate the price before GST from a GST-inclusive amount.
Calculate GST Exclusive →