Torque-to-power calculator API

Convert rotational torque and speed to power (P = T·ω, ω = 2π·rpm/60) with horsepower (T_lbft·rpm/5252) and lb·ft equivalents. Answers 'how much power is 50 N·m at 3000 rpm','convert torque and rpm to HP','torque in lb·ft'.

Price$0.01per request

MethodPOST

Route/v1/calc/eng-torque-power

StatusLive

MIME typeapplication/json

Rate limit120/minute

CacheNo cache

calcengineeringmechanicaltorquepowerhorsepowerrpmrotational

API URLhttps://x402.hexl.dev/v1/calc/eng-torque-power

Integration docs

Example request

{
  "torqueNm": 50,
  "rpm": 3000
}

Example response

{
  "torqueNm": 50,
  "rpm": 3000,
  "angularVelocityRadS": 314.159265,
  "powerW": 15707.963268,
  "powerKW": 15.707963,
  "powerHp": 21.064726,
  "torqueLbFt": 36.878107,
  "formula": "P = T * 2π*rpm/60; HP = T_lbft * rpm / 5252"
}

Input schema

{
  "type": "object",
  "required": [
    "torqueNm",
    "rpm"
  ],
  "properties": {
    "torqueNm": {
      "type": "number",
      "description": "newton-metres",
      "examples": [
        50
      ]
    },
    "rpm": {
      "type": "number",
      "description": "revolutions per minute",
      "examples": [
        3000
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}