GST Calculator

Add or remove GST at Indian slab rates, with CGST/SGST split.

• Runs locally in your browser — no upload, no account

How to use GST Calculator

1. Enter your values.
2. The result updates instantly, with the formula shown.
3. Copy the result if you need it.

Frequently asked questions

Is GST Calculator free?

Yes. GST Calculator is free to use and needs no account or sign-up.

Is my data sent anywhere?

No. Everything you enter is processed inside your browser and is not sent to a server.

Does it work offline?

Once the page has loaded, processing needs no internet connection.

Does it work on phones?

Yes. It works in current mobile browsers on Android and iPhone, as well as on desktop.

Are there any limitations?

Rates are the common slabs; check current government notifications for your item.

Related tools

• Percentage Calculator — Percent of a number, percentage change, discounts and profit/loss — with formulas shown.
• EMI / Loan Calculator — Monthly instalment, total interest and amortisation schedule for a loan.