Conversion Utilities

Gallons Us To Liters

Converts US gallons to liters with precise arithmetic, eliminating floating-point errors in volume calculations. Use via MCP in Cursor or Windsurf, or call GET /v1/convert/volume/gal-us-to-l directly. Example: 5 US gallons = 18.927059 liters. Uses the exact conversion factor of 3.785411784 liters per US gallon.

API Endpoint

GET /v1/convert/volume/gal-us-to-l

Code Examples

curl "https://tinyfn.io/v1/convert/volume/gal-us-to-l" \
  -H "X-API-Key: YOUR_API_KEY"
const response = await fetch('https://tinyfn.io/v1/convert/volume/gal-us-to-l', {
  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/volume/gal-us-to-l',
    headers={'X-API-Key': 'YOUR_API_KEY'})
data = response.json()
print(data)

Use via MCP

Add to your AI agent

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"
      }
    }
  }
}

Learn more about MCP setup →

FAQ

How accurate is the US gallon to liter conversion?

Uses the exact conversion factor 3.785411784 L/gal defined by NIST. Returns results with full precision to avoid rounding errors in calculations.

What's the difference between US gallons and imperial gallons for conversion?

US gallon equals 3.785411784 liters, while imperial gallon equals 4.54609 liters. This tool specifically converts US gallons only.

Can I convert fractional gallons to liters with MCP tools?

Yes, accepts decimal inputs like 2.5 gallons. AI agents in Cline or Claude Code can use this for precise fuel consumption or recipe scaling calculations.

Does the API handle large volume conversions accurately?

Handles any reasonable volume size while maintaining precision. Useful for industrial applications, tank capacity calculations, or bulk liquid measurements.

What format does the conversion API return?

Returns numeric result in liters as JSON. No unit labels in response—just the converted value for easy integration into calculations.

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