GST Calculator

GST Calculator is an independent calculation and reference tool for India's Goods and Services Tax. Calculate GST on pre-tax amounts, extract GST from tax-inclusive amounts, and view a clear breakdown of the applicable tax components.

IMPORTANT: This app is not affiliated with, endorsed by, sponsored by, or operated by the Government of India, CBIC, GST Council, or any other government authority.

OFFICIAL GST INFORMATION SOURCE

Official source for GST information:
CBIC GST Portal
https://cbic-gst.gov.in/

Use the official CBIC GST website above to verify current GST rates, classifications, rules, notifications, and other GST-related information.

KEY FEATURES

Add or remove GST
• Add GST to an exclusive amount or extract GST from an inclusive amount.
• Results update as you enter values.

Tax breakdown
• View gross amount, discount, taxable value, CGST, SGST, IGST, UTGST, total GST and total payable.
• See GST per unit when calculating multiple items.

Supply type
• Intra-state supply with CGST and SGST.
• Inter-state supply with IGST.
• Union Territory supply with CGST and UTGST.

GST rates
• Select available GST rate slabs or enter a custom rate.
• Use the built-in rate reference to review example HSN and SAC entries.

Quantity, discount and round-off
• Calculate multiple quantities.
• Apply a percentage discount before GST.
• Optionally round the payable amount to the nearest rupee.

GST rate reference
• Browse a built-in reference list of HSN and SAC entries.
• Search by product name, HSN code or SAC code.
• Filter entries by GST rate slab.
• Includes a rate-change reference section.

Reverse rate finder
• Enter a taxable value and GST-inclusive total to calculate the implied GST rate.

Calculation history
• Save calculations locally on your device.
• Search, copy or delete individual records.
• Clear saved history when required.

Analytics
• Review saved calculations by week, month or year.
• View summary figures, GST trends, calculation counts and rate distribution.
• Review progress information and text-based insights.

Copy and share
• Copy calculation summaries to the clipboard.
• Share calculation details using other apps on your device.

Data export
• Export your saved settings and calculation history as a JSON file.

Daily reminder
• Set an optional daily notification to remind you to perform calculations or review the app.

WHO IT'S FOR

• Small business owners and shopkeepers
• Freelancers and self-employed professionals
• Retailers and service providers
• Accountants and students
• Anyone who needs to calculate GST amounts or review GST rate references

PERMISSIONS

Notifications — used only for the optional daily reminder and requested when you enable the reminder.

Internet and network access — used to load advertisements and send anonymous diagnostics and crash information.

Advertising ID — used for advertising. Where required, users are asked for consent before personalised advertising.

This app contains ads. There are no in-app purchases or subscriptions. Calculations, saved history and settings are stored locally on your device.

DISCLAIMER

This app is an independent calculation and reference tool. It does not represent or provide government services and is not affiliated with, endorsed by, sponsored by, or operated by the Government of India, CBIC, GST Council, or any other government authority.

The GST rate reference is a built-in reference for general informational purposes and is not a live government database. GST rates, classifications, rules, and requirements may change.

Always verify current GST information with the official CBIC GST website:

https://cbic-gst.gov.in/

The calculations are estimates for informational purposes and do not constitute tax, accounting, or legal advice. Verify figures and current requirements with official government sources or a qualified tax professional before relying on results for invoices, tax filings, business decisions, or other official purposes.

Recent changes:
• Add or remove GST with CGST, SGST, IGST and UTGST splits
• Quantity, discount, custom rates and round-off
• HSN and SAC rate reference with search and slab filters
• Reverse rate finder
• Saved history with search, copy and export
• Charts and insights by week, month or year
• Light, dark and system themes