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Reverse GST Calculator

Find the base price and GST amount from the total amount

GST Rate Table

GST Rate CGST SGST Category
5% 2.5% 2.5% Essential
12% 6% 6% Standard
18% 9% 9% Standard
28% 14% 14% Luxury

Reverse GST Formula

Formula

Base Price = Base Price = Total Amount × 100 / (100 + GST Rate)

GST Amount = GST Amount = Total Amount - Base Price

Example

Total Amount: ₹1,180

GST Rate: 18%

Base Price: ₹1,000

GST Amount: ₹180

✓ ₹1,000 + ₹180 GST = ₹1,180 Total

Reverse GST Examples

Product Purchase

Total ₹1,180 with 18% GST

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₹1,180 Total · 18% GST

Service Bill

Total ₹5,600 with 12% GST

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₹5,600 Total · 12% GST

Restaurant Bill

Total ₹3,200 with 5% GST

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₹3,200 Total · 5% GST

Luxury Item

Total ₹64,000 with 28% GST

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₹64,000 Total · 28% GST

Frequently Asked Questions