Math & Numbers
Joule to KWH
Convert joules to kilowatt-hours with configurable decimal precision
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/joule-to-kwh' \
-H 'Content-Type: application/json' \
-d '{"joules":5400000,"precision":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/joule-to-kwhParameters
| Name | Type | Required | Description |
|---|---|---|---|
| joules | number | Yes | — |
| precision | number | No | — |
Response format
JSON result
JSON
{
"key": {...},
"metadata": {
"key": "value"
},
"error": "Error message (optional)",
"message": "Notification message (optional)"
}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-joule-to-kwh": {
"name": "joule-to-kwh",
"description": "Convert joules to kilowatt-hours with configurable decimal precision",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=joule-to-kwh",
"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": "joule-to-kwh",
"arguments": {
"joules": 5400000,
"precision": 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]