What is it & why use it?
Easily add or remove GST from amounts with our GST Calculator for India. Supports inclusive and exclusive price calculation. This tool on Calci.in explains concepts in plain language and lets you calculate taxes instantly.

Formula (explained)
GST = Base × Rate; Price_incl = Base × (1 + Rate); Base = Price_incl / (1 + Rate)
Variables: Base = Original price, Rate = GST percentage, Price_incl = Price after adding GST.

Example calculation
₹1,000 at 18% GST → GST = ₹180; Price inclusive = ₹1,180.

Benefits & use cases
• Accurate billing
• Save time in manual GST calculation
• Supports inclusive & exclusive price modes

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External references (authority sources)
GST Council India
CBIC GST

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FAQs
Q1: Does this calculator apply worldwide?
A: No, it is built for India GST system. Other countries have different VAT/GST rates.
Q2: Can I calculate both inclusive and exclusive GST?
A: Yes, you can calculate GST in both modes.
Q3: Is GST same across all goods?
A: No, India has GST slabs like 5%, 12%, 18%, 28%.
Q4: Is the calculator mobile‑friendly?
A: Yes, Calci.in calculators are fully responsive.