Calculators

Economic Order Quantity (EOQ) API

Economic Order Quantity = sqrt(2 * annualDemand * orderCost / holdingCost), with orders/year, cycle days, and the ordering+holding cost split — the canonical Wilson EOQ inventory model. Answers 'optimal order quantity', 'how often should I reorder', 'total annual inventory cost at EOQ'.

Price$0.01per request

MethodPOST

Route/v1/calc/biz-eoq

StatusLive

MIME typeapplication/json

Rate limit120/minute

CacheNo cache

calceoqinventorywilsonopssupply-chainorderingoperations

API URLhttps://x402.hexl.dev/v1/calc/biz-eoq

Integration docs

Example request

{
  "annualDemand": 12000,
  "orderCost": 80,
  "holdingCost": 4
}

Example response

{
  "formula": "EOQ = sqrt(2 * annualDemand * orderCost / holdingCost)",
  "economicOrderQuantity": 692.82,
  "ordersPerYear": 17.32,
  "daysBetweenOrders": 21.07,
  "annualOrderingCost": 1385.64,
  "annualHoldingCost": 1385.64,
  "totalAnnualCost": 2771.28,
  "inputs": {
    "annualDemand": 12000,
    "orderCost": 80,
    "holdingCost": 4
  }
}

Input schema

{
  "type": "object",
  "required": [
    "annualDemand",
    "orderCost",
    "holdingCost"
  ],
  "properties": {
    "annualDemand": {
      "type": "number",
      "examples": [
        12000
      ]
    },
    "orderCost": {
      "type": "number",
      "examples": [
        80
      ]
    },
    "holdingCost": {
      "type": "number",
      "examples": [
        4
      ]
    }
  }
}

Output schema

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