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GST Calculator

Compute Goods and Services Tax (GST) with Inclusive and Exclusive modes & CGST/SGST splits.

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Amount (₹ / $)

Tax Calculation Mode

Standard GST Tax Slabs

Or Enter Custom GST Rate (%)

Net Base Amount: ₹10,000.00

Total GST Amount (18%): ₹1,800.00

CGST (Central Tax 50%): ₹900.00

SGST (State Tax 50%): ₹900.00

Gross Total Amount: ₹11,800.00

Formula: GST = (Base × Rate) / 100 Verified Accurate

How to use GST Calculator?

1 Enter the base net or total gross amount.
2 Select a standard GST rate slab (5%, 12%, 18%, 28%) or enter a custom rate.
3 Select whether the entered price is GST Exclusive (add tax) or GST Inclusive (extract tax).
4 Review the total tax, net amount, gross amount, and CGST/SGST breakdowns.

Dual Tax Slabs: Easily toggle between adding tax or reversing tax out of an invoice total.
Statutory Split: Automatically splits tax into 50% CGST (Central) and 50% SGST (State).
Quick Preset Buttons: Convenient 5%, 12%, 18%, and 28% buttons for rapid invoicing.