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GET /v1/convert

Convert flow-rate units

Try it live

10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/flowrate-api

It works. Grab an API key and use it in your project.

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Code snippets

curl "https://api.oanor.com/flowrate-api/v1/convert" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/flowrate-api/v1/convert", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/flowrate-api/v1/convert");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/flowrate-api/v1/convert",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "note": "Flow-rate unit conversion relative to m³/s.",
        "input": {
            "from": "m3s",
            "value": 1
        },
        "flow_rate": {
            "cfm": 2118.88,
            "gph_us": 951019.39,
            "gpm_us": 15850.3231,
            "m3_per_s": 1,
            "m3_per_hour": 3600,
            "litres_per_s": 1000,
            "litres_per_min": 60000
        }
    },
    "meta": {
        "timestamp": "2026-06-04T01:59:18.523Z",
        "request_id": "585c6397-b7cc-4d03-b8c6-2421142bf9ec"
    },
    "status": "ok",
    "message": "Flow unit conversion",
    "success": true
}