{
    "name": "Machine Utilization Calculator",
    "url": "https://calculators.geekmidst.com/calculators/machine-utilization-calculator",
    "markdown": "https://calculators.geekmidst.com/calculators/machine-utilization-calculator.md",
    "category": "Manufacturing & packaging",
    "description": "Find machine utilisation as run hours divided by available hours, for one machine or a group, with idle hours for the period.",
    "summary": "Utilisation is the share of available time a machine actually ran. You decide what counts as available: all calendar hours, or only the shifts you staff.",
    "also_called": [
        "Machine utilisation calculator",
        "Equipment utilization calculator"
    ],
    "applies_to": "Worldwide",
    "last_updated": "2026-10-29",
    "computation": "Results are computed in the visitor’s browser on the HTML page. This API describes the calculator; it does not compute results.",
    "inputs": [
        {
            "name": "run_hours",
            "label": "Run hours in the period (all machines)",
            "type": "number",
            "default": "78",
            "unit": "h"
        },
        {
            "name": "hours_per_day",
            "label": "Available hours per day",
            "type": "number",
            "default": "16",
            "unit": "h"
        },
        {
            "name": "days",
            "label": "Days in the period",
            "type": "number",
            "default": "6"
        },
        {
            "name": "machines",
            "label": "Number of machines",
            "type": "number",
            "default": "1"
        }
    ],
    "outputs": [
        {
            "key": "utilisation",
            "label": "Utilisation",
            "format": "percent"
        },
        {
            "key": "available_hours",
            "label": "Available hours",
            "format": "number"
        },
        {
            "key": "idle_hours",
            "label": "Idle hours",
            "format": "number"
        }
    ],
    "formula": {
        "text": "Available = Hours per day × Days × Machines;  Utilisation = Run hours ÷ Available × 100",
        "variables": {
            "Run hours": "time the machines were actually running"
        }
    },
    "worked_example": {
        "inputs": {
            "run_hours": "78",
            "hours_per_day": "16",
            "days": "6",
            "machines": "1"
        },
        "steps": [
            "Available = 16 h × 6 days × 1 = 96 h.",
            "Utilisation = 78 ÷ 96 = 81.25%.",
            "Idle = 96 − 78 = 18 h."
        ],
        "result": "The machine ran 78 of 96 available hours, a utilisation of 81.25%."
    },
    "interpretation": "Low utilisation can mean spare capacity or lost time; check the idle hours against changeovers, breakdowns and lack of orders. Always state which availability basis you used.",
    "assumptions": [
        "Available hours per day are the same every day."
    ],
    "limitations": [
        "Utilisation ignores running speed and quality; use OEE for those."
    ],
    "rules": null,
    "faqs": [
        {
            "question": "Should I use 24 hours or shift hours?",
            "answer": "24-hour calendar time shows total capacity; staffed shift hours show how well scheduled time is used. Both are valid if you say which."
        },
        {
            "question": "Can utilisation be over 100%?",
            "answer": "Not against calendar time. Against planned shifts it can, if you ran overtime; increase the available hours instead."
        }
    ],
    "sources": [],
    "related": [
        {
            "name": "Overall Equipment Effectiveness (OEE) Calculator",
            "url": "https://calculators.geekmidst.com/calculators/oee-calculator"
        },
        {
            "name": "Production Cycle Time Calculator",
            "url": "https://calculators.geekmidst.com/calculators/production-cycle-time-calculator"
        },
        {
            "name": "Percentage Calculator",
            "url": "https://calculators.geekmidst.com/calculators/percentage-calculator"
        }
    ],
    "disclaimer": null,
    "publisher": "GM¹X CalcVerse"
}