Skip to content
GET /v1/power-to-weight

Power to weight

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/engine-api

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

Get an API key

Code snippets

curl "https://api.oanor.com/engine-api/v1/power-to-weight" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/engine-api/v1/power-to-weight", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/engine-api/v1/power-to-weight");
curl_setopt($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/engine-api/v1/power-to-weight",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

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

{
    "data": {
        "note": "Power-to-weight drives acceleration. Specific output (hp per litre) measures how hard an engine is tuned.",
        "inputs": {
            "power_hp": 200,
            "weight_kg": 1400
        },
        "w_per_kg": 106.5286,
        "hp_per_kg": 0.142857,
        "hp_per_tonne": 142.8571,
        "kw_per_tonne": 106.5286,
        "displacement_l": 2,
        "specific_output_hp_per_l": 100,
        "weight_to_power_kg_per_hp": 7
    },
    "meta": {
        "timestamp": "2026-06-05T03:09:03.297Z",
        "request_id": "209101f6-4737-42e0-a4e1-adcfb730e86e"
    },
    "status": "ok",
    "message": "Power to weight",
    "success": true
}