GST inclusive/exclusive calculator with visible formula and totals.
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GST Calculator
GST Calculator
Calculate GST amount and totals (inclusive or exclusive).
Mode
Amount
Amounts (batch mode)
GST Rate (%)
Waiting for bot check… this usually takes a second.
What next?
Keep going with GST Calculator
Finish this check in the browser, then pick the path that matches how you work — another related tool, REST for apps, or MCP for agents.
- 1. Related check
After this result, run VAT calculator for the next signal.
VAT calculator - 2. Automate with API
Same job from your server with
Create free accountX-Api-Key. Free tier includes 500 credits/month. - 3. Hand off to an agent
Connect Cursor or Claude to ToolYour MCP — plan → run → verify.
MCP setup
What is GST Calculator?
Quoting a client, checking an invoice line, or splitting GST from a gross total — you need the math shown, not a black box. ToolYour GST Calculator accepts amount and rate, supports inclusive vs exclusive mode, and displays net, tax, and gross components with the formula assumptions on screen.
Honest limits: Enter the rate that applies to your supply; the tool does not look up live government rate tables. For invoice layout use GST Invoice Generator; for generic invoices Invoice Generator.
REST: POST https://api.toolyour.com/api/v1/calculators/gst-calculator · MCP: https://api.toolyour.com/mcp.
What are common questions about GST Calculator?
Inclusive vs exclusive?
Inclusive backs tax out of a tax-included price. Exclusive adds tax on top of a pre-tax amount.
Legal tax advice?
No. Calculator only — confirm filing with a qualified advisor.
REST and MCP?
Yes. Same calculator via API and agents.
What are the key features of GST Calculator?
Visible formula
See how net, GST, and gross relate before you send quotes.
Inclusive/exclusive toggle
Match how your client quoted the price.
Browser, REST, MCP
Embed in billing automation with one API key.
How do you use GST Calculator?
Choose mode
Inclusive if the price already includes GST; exclusive if adding tax.
Enter amount and rate
Use the rate for your supply type.
Copy totals
Paste into invoice generators or spreadsheets.
Invoice & tax cluster
GST invoice generator · VAT calculator · Discount calculator · Invoice total calculator.
Related tools (indexed hubs): File conversion hub · PDF to Word · Image compressor · SEO audit · Meta tags analyzer · Freelancer toolkit · SEO toolkit.
Free · API · MCPToolYour platform
Use GST Calculator three ways
The free GST Calculator on this page works in your browser. The same workflow is available via REST API for apps and via the remote MCP server for Cursor, Claude, and other agents — one API key, one plan, one quota. This tool is part of the calculators module under Business Tools.
- 1Create a free accountGet an API key for REST and MCP — 500 credits/month on the free tier.
- 2Connect or callPaste the MCP URL into Cursor/Claude, or call REST with
X-Api-Key. - 3Same key & creditsBrowser smoke-checks stay free; API-backed runs share one monthly credit quota.
- Free in browserUse GST Calculator here — no account required.
- REST APICall from your server with
X-Api-Key. - Remote MCP serverSame job from Cursor or Claude via the ToolYour remote MCP server — one API key with REST.
Which tax tools sit in this cluster?
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Browse the full Business Tools category on ToolYour.
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