Health

Vital Capacity Estimator (Height / Age / Sex)

Estimate expected adult vital capacity with the Baldwin equations ((27.63 − 0.112×age)×height for males, (21.78 − 0.101×age)×height for females) and optionally grade a measured VC as % predicted. Not medical advice.

json· JSON resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'http://127.0.0.1:3003/en/api/tools/vital-capacity-estimator' \
  -H 'Content-Type: application/json' \
  -d '{"sex":"male","heightCm":180,"ageYears":25,"measuredVc":0,"measuredUnit":"L","decimalPlaces":1}'

API reference

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

Endpoint

HTTP

POST http://127.0.0.1:3003/en/api/tools/vital-capacity-estimator

Parameters

Name	Type	Required	Description
sex	select	Yes	Sex for the Baldwin prediction equation.
heightCm	number	Yes	Height in centimeters (100–250).
ageYears	number	Yes	Age in years (15–100).
measuredVc	number	No	Optional measured vital capacity in the selected unit (0.5–9 L or 500–9000 mL); enables % predicted and severity grading.
measuredUnit	select	No

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-vital-capacity-estimator": {
      "name": "vital-capacity-estimator",
      "description": "Estimate expected adult vital capacity with the Baldwin equations ((27.63 − 0.112×age)×height for males, (21.78 − 0.101×age)×height for females) and optionally grade a measured VC as % predicted. Not medical advice.",
      "baseUrl": "http://127.0.0.1:3003/mcp/sse?toolId=vital-capacity-estimator",
      "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": "vital-capacity-estimator",
    "arguments": {
  "sex": "male",
  "heightCm": 180,
  "ageYears": 25,
  "measuredVc": 0,
  "measuredUnit": "L",
  "decimalPlaces": 1
}
  }
}

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]

Browse tools Open tool