curl --request POST \ --url https://api.iotools.cloud/v1/tool/shaft-power-torque-calculator \ --header 'Authorization: Bearer <token>' \ --header 'Content-Type: application/json' \ --data ' { "solveFor": "torque", "power": "15", "powerUnit": "kw", "torque": "100", "torqueUnit": "nm", "speed": "1450", "speedUnit": "rpm", "efficiency": "100" } '

{ "tool": "shaft-power-torque-calculator", "tool_version": "1.0.1", "outputs": { "results": [ { "quantity": "Torque", "value": "98.7858 N·m", "other-units": "10.0734 kgf·m · 72.8607 lb·ft · 874.328 lb·in" }, { "quantity": "Shaft power", "value": "15 kW", "other-units": "15000 W · 20.1153 hp · 20.3943 PS" }, { "quantity": "Rotational speed", "value": "1450 rpm", "other-units": "151.844 rad/s · 24.1667 Hz (rev/s)" }, { "quantity": "Angular velocity (ω)", "value": "151.844 rad/s", "other-units": "24.1667 rev/s" } ], "breakdown": "Solving for: Torque\nT = P ÷ ω (ω = 2π × N ÷ 60)\nP = 15 kW\nT = 98.7858 N·m\nN = 1450 rpm → ω = 151.844 rad/s\nIdeal calculation — set a drive efficiency below 100% to size the motor input power." }, "credits_used": 3, "credits_remaining": null }