Converts pounds to kilograms using the precise conversion factor 1 lb = 0.45359237 kg. Access via MCP in Cursor or Windsurf for weight calculations, or hit GET /v1/convert/weight/lb-to-kg?pounds=150 directly. Returns exact decimal values — 150 pounds becomes 68.0388555 kg. Essential for fitness apps, shipping calculations, and international commerce.
curl "https://tinyfn.io/v1/convert/weight/lb-to-kg" \
-H "X-API-Key: YOUR_API_KEY"const response = await fetch('https://tinyfn.io/v1/convert/weight/lb-to-kg', {
headers: { 'X-API-Key': 'YOUR_API_KEY' }
});
const data = await response.json();
console.log(data);import requests
response = requests.get('https://tinyfn.io/v1/convert/weight/lb-to-kg',
headers={'X-API-Key': 'YOUR_API_KEY'})
data = response.json()
print(data)Connect your AI agent (Claude, Cursor, Windsurf, etc.) to TinyFn's conversion tools:
{
"mcpServers": {
"tinyfn-conversion": {
"url": "https://tinyfn.io/mcp/conversion",
"headers": {
"X-API-Key": "YOUR_API_KEY"
}
}
}
}Uses the exact international conversion factor: 1 pound = 0.45359237 kilograms. This is the legally defined relationship used worldwide for commercial and scientific purposes.
Yes, accepts any numeric input including decimals. An MCP call with 12.5 pounds returns 5.669904625 kilograms with full precision.
Single conversion: GET /v1/convert/weight/lb-to-kg?pounds=VALUE. For multiple values, make separate API calls or use the MCP tool in your AI coding environment.
Yes, processes negative numbers correctly. -10 pounds converts to -4.5359237 kilograms, useful for weight differentials or relative measurements.
The 2.2 rule gives 68.18 kg for 150 lbs, but the exact conversion yields 68.0388555 kg. This tool provides precision needed for shipping, medical, or legal applications.
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