GST Calculator
Add or remove GST from any amount and see the CGST, SGST and IGST split.
Visual breakdown
Detailed breakdown
Export & share
What is the GST Calculator?
GST (Goods and Services Tax) is charged on most goods and services in India. This calculator adds GST to a base price or extracts it from a GST-inclusive price, and shows the CGST/SGST or IGST split needed for invoices.
How to use this calculator
- Enter your values in the input fields. Use the sliders where available for quick changes.
- Choose the options that fit your case - currency, number format and decimals can be changed in the Options bar.
- The result updates instantly as you type. Press Calculate to refresh.
- Review the summary, the chart and the detailed table (when shown).
- Use Export & share to download a snapshot image (PNG or JPG), copy the result, print, save a CSV, or copy a link that reopens your inputs.
Formula and method
Remove GST: Net = Total / (1 + Rate / 100); GST = Total - Net
CGST = SGST = GST / 2 for intra-state supply.
Worked example
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Options you get
- Currency symbol and Indian or international digit grouping
- Decimal places control
- Instant results with charts and tables (where relevant)
- Snapshot image export (PNG / JPG), copy image, CSV, print and share link
- Light and dark themes - works on mobile, tablet and desktop
Frequently asked questions
What is the difference between CGST, SGST and IGST?
Within a state, GST is split equally into CGST (Centre) and SGST (State). For sales between states, the full amount is IGST.
Which GST rate applies to my product?
The rate depends on the HSN/SAC code. Check the latest notified schedule or ask your tax professional.
Is this calculator free to use?
Yes. All MCSBiz calculators are free, work in your browser and need no sign-up.
Is my data stored or sent to a server?
No. Calculations run on your own device. Your inputs are not uploaded, and nothing is saved unless you choose to share a link or export an image.
Can I save or share my result?
Yes. Use "Download PNG" or "Download JPG" to export a snapshot image, copy the result, print it, download a CSV, or copy a link that reopens the calculator with your inputs.
Important note
Results are estimates based on the inputs and assumptions shown. Investments are subject to market risk and past performance does not guarantee future returns. This is not financial, tax or legal advice - please verify with official sources or a qualified professional.