GST Inclusive/Exclusive Calculator

GST Amount & Rate

Choose a direction, enter the amount, and pick the GST slab.

🔒 100% Browser-Based
➖ Remove GST Amount already includes tax
➕ Add GST Amount is exclusive of tax
₹
0%
0.25%
3%
5%
12%
18%
28%
Custom
🏠 Same State Split as CGST + SGST
🚚 Different State Charged as IGST
Final Amount (Incl. GST)
₹0.00
Total GST
₹0.00
Taxable Value
₹0.00
CGST
₹0.00
SGST
₹0.00
Taxable value GST amount

Multi-Item GST List

Add several items to get one combined tax breakup and grand total.

#ItemModeRateTaxableCGSTSGSTIGSTTotal
No items added yet — calculate above, then click "Add to List".

Recent Calculations

Saved locally on this device — tap any entry to reload it instantly.

No history yet.
🔒 Every amount you enter is calculated instantly in your own browser. Nothing is uploaded, logged, or sent to any server — your figures never leave this device.

Why This GST Calculator Stands Out

Built to go beyond a single "add tax / remove tax" box.

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Multi-Item GST List

Calculate GST for several items in one go and get a combined, itemized grand total — rare in a simple calculator.

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Instant CGST/SGST ⇄ IGST

One toggle switches the split between intra-state (CGST+SGST) and inter-state (IGST) billing.

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Amount in Words

The final amount is automatically converted into Indian-numbering words (Lakh/Crore) — no manual typing.

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Visual Tax Breakdown

A proportion bar shows the taxable value vs GST portion at a glance, not just numbers in a row.

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Local Calculation History

Your last calculations are saved on your device — revisit or reload any of them with one tap.

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Built-in Rate Reference

A quick-reference table of common GST slabs so you're never guessing which rate to apply.

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One-Tap Copy & Print

Copy a formatted summary to your clipboard, or print / save the result as a PDF directly.

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100% Private

No sign-up, no uploads, no server. Every calculation happens locally inside your browser tab.

How to Use This Calculator

  1. Pick a direction — "Add GST" if your amount excludes tax, or "Remove GST" if it already includes tax.
  2. Enter the amount — type any value; the result updates instantly as you type.
  3. Select the GST rate — choose from 0%, 0.25%, 3%, 5%, 12%, 18%, 28%, or enter a custom rate.
  4. Choose the transaction type — Same State splits tax into CGST + SGST; Different State applies IGST.
  5. Add to your list (optional) — build a combined bill for multiple items and see one grand total.
  6. Copy or print — save the result to your clipboard or export it as a PDF/print-out.

Common GST Rate Reference

A quick guide to the standard GST slabs used across India — always confirm the exact rate for your product/service on the official GST portal.

GST SlabTypical Goods / Services
0%Fresh fruits & vegetables, milk, books, unbranded food grains
0.25%Rough precious & semi-precious stones
3%Gold, silver, and jewellery
5%Packaged food items, footwear under ₹1000, life-saving drugs
12%Processed food, business-class air tickets, mobile phones
18%Most goods & services — electronics, IT services, restaurants (non-AC excluded)
28%Luxury items, cars, tobacco, aerated drinks

Frequently Asked Questions

What's the difference between GST inclusive and exclusive?+

An exclusive amount does not yet contain GST — tax is added on top. An inclusive amount already contains GST — you need to work backward to find the base value and the tax hidden inside it.

How is the base amount calculated when removing GST?+

Base Amount = Inclusive Amount ÷ (1 + GST Rate ÷ 100). The difference between the inclusive amount and this base is the GST portion.

When is tax split into CGST + SGST instead of IGST?+

For transactions within the same state, GST is split equally into CGST and SGST. For transactions between two different states, the full amount is charged as IGST — that's how GST law applies across India.

Is my data saved anywhere?+

Calculation history is stored only in your own browser's local storage so you can revisit it later. Nothing is ever transmitted to a server — you can clear it anytime with the "Clear" button.

Can I calculate GST for multiple items at once?+

Yes — calculate each item above and click "Add to List". The Multi-Item GST List section combines them into one itemized breakdown with a grand total.

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