How do I remove GST from a total?

Divide the inclusive amount by (1 + rate). For 18%, divide by 1.18.

Finance

GST Calculator

Calculate GST for any amount. Switch between adding GST to a net price or removing GST from a gross (inclusive) price.

Net amount

₹

GST rate

Base amount

₹1,000

GST amount

₹180

Total amount

₹1,180

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Formula: Add: GST = base × rate%. Remove: base = inclusive / (1 + rate%).

Example: ₹1,000 + 18% GST = ₹1,180 (GST ₹180).

A plain-English guide to India's GST slabs, the difference between GST-inclusive and exclusive pricing, and how to compute GST correctly.