Health
BMI Calculator for Children
Calculate BMI for children and teens (ages 2-20) with age and gender-specific percentiles
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/bmi-calculator-kids' \
-H 'Content-Type: application/json' \
-d '{"age":10,"gender":"male","system":"metric","weight":30,"weightUnit":"kg","height":130,"heightUnit":"cm"}'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/bmi-calculator-kidsParameters
| Name | Type | Required | Description |
|---|---|---|---|
| age | number | Yes | — |
| gender | select | No | — |
| system | select | No | — |
| weight | number | Yes | — |
| weightUnit | select | No | — |
| height |
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-bmi-calculator-kids": {
"name": "bmi-calculator-kids",
"description": "Calculate BMI for children and teens (ages 2-20) with age and gender-specific percentiles",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=bmi-calculator-kids",
"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": "bmi-calculator-kids",
"arguments": {
"age": 10,
"gender": "male",
"system": "metric",
"weight": 30,
"weightUnit": "kg",
"height": 130,
"heightUnit": "cm"
}
}
}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]