GST Calculator
Calculate gst instantly online — free, accurate, and 100% private. No sign-up, no data uploaded, works on any device.
About GST Calculator
Whether you're a shopkeeper, freelancer, or just checking a bill, the GST Calculator instantly splits any amount into its base price and GST component — or adds GST to a base price — at any of India's standard slabs (0.25%, 3%, 5%, 12%, 18%, 28%). It also breaks the tax into CGST and SGST for intra-state sales, matching how GST actually appears on an Indian invoice.
Looking for something similar? You might also find Loan EMI Calculator, Simple Interest Calculator, Compound Interest Calculator useful.
How to use GST Calculator
- Enter your values into the input fields above — the gst calculator updates automatically as you type.
- Adjust any dropdowns or options to match your exact situation (units, rates, or method).
- Read the result instantly — no "Calculate" button to hunt for, no page reload.
- Copy or note down the figure you need. Nothing you enter is saved or sent anywhere.
Why use wajid.in's GST Calculator?
Instant results
The calculation runs live in your browser as you type — no waiting for a server round-trip.
100% private
Every number you enter into this gst calculator stays on your device. Nothing is uploaded or logged.
Built for accuracy
Formulas are implemented to match standard, widely accepted calculation methods.
Works everywhere
No app to install — it works the same on your phone, tablet, or desktop.
Frequently Asked Questions
For sales within the same state, GST is split equally into CGST (Central GST) and SGST (State GST) — for example, 18% GST becomes 9% CGST + 9% SGST. For sales between different states, the full amount is charged as IGST (Integrated GST) instead.
Select "Inclusive of GST" mode and enter the total amount — the calculator will extract the base price and GST amount automatically.
The common GST slabs are 0.25%, 3%, 5%, 12%, 18%, and 28%, depending on the category of goods or services. Always confirm the applicable rate for your specific product with the official GST rate schedule, as rates can change.
Yes — every tool on wajid.in is 100% free to use, with no sign-up, no usage limits, and no hidden paywall.