Hydraulic pump power calculator API

Compute pump hydraulic and shaft power (P = ρ·g·Q·H / η) to lift fluid at flow Q over head H, with kW and HP. Answers 'pump power for 0.05 m³/s at 20m head','shaft power at 70% efficiency','how many kW to pump this'.

Price$0.01per request

MethodPOST

Route/v1/calc/eng-pump-power

StatusLive

MIME typeapplication/json

Rate limit120/minute

CacheNo cache

calcengineeringfluidspumppowerheadhydraulicefficiency

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

Integration docs

Example request

{
  "flowRateM3s": 0.05,
  "headM": 20,
  "efficiency": 0.7
}

Example response

{
  "flowRateM3s": 0.05,
  "headM": 20,
  "densityKgM3": 1000,
  "efficiency": 0.7,
  "hydraulicPowerW": 9806.65,
  "shaftPowerW": 14009.5,
  "shaftPowerKW": 14.0095,
  "shaftPowerHp": 18.787806,
  "formula": "P = ρ*g*Q*H / η"
}

Input schema

{
  "type": "object",
  "required": [
    "flowRateM3s",
    "headM"
  ],
  "properties": {
    "flowRateM3s": {
      "type": "number",
      "description": "volumetric flow (m³/s)",
      "examples": [
        0.05
      ]
    },
    "headM": {
      "type": "number",
      "description": "total head (m)",
      "examples": [
        20
      ]
    },
    "densityKgM3": {
      "type": "number",
      "description": "fluid density (default 1000)",
      "examples": [
        1000
      ]
    },
    "efficiency": {
      "type": "number",
      "description": "pump efficiency 0-1 (default 1)",
      "examples": [
        0.7
      ]
    }
  }
}

Output schema

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