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Math & Numbers

Shaft Power Calculator

Calculate the power transmitted by a rotating shaft. P = T·ω = 2π·n·T/60. Solve power from torque and speed, or torque from power and speed. Supports W/kW/hp.

json· JSON resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/shaft-power-calculator' \
  -H 'Content-Type: application/json' \
  -d '{"mode":"power","T":100,"n":1500,"P":0,"powerUnit":"kW","decimalPlaces":4}'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP
POST https://api.elysiatools.com/en/api/tools/shaft-power-calculator

Parameters

NameTypeRequiredDescription
modeselectNo—
TnumberNoShaft torque in N·m. Required in Power mode.
nnumberYes—
PnumberNoShaft power, in the selected power unit. Required in Torque mode.
powerUnitselectNo—

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json
{
  "mcpServers": {
    "elysiatools-shaft-power-calculator": {
      "name": "shaft-power-calculator",
      "description": "Calculate the power transmitted by a rotating shaft. P = T·ω = 2π·n·T/60. Solve power from torque and speed, or torque from power and speed. Supports W/kW/hp.",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=shaft-power-calculator",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call
{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "shaft-power-calculator",
    "arguments": {
  "mode": "power",
  "T": 100,
  "n": 1500,
  "P": 0,
  "powerUnit": "kW",
  "decimalPlaces": 4
}
  }
}
Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

Questions or issues? Contact [email protected]

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decimalPlaces
number
No
—

Response format

JSON result

JSON
{
  "key": {...},
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}