{
    "name": "Dye Bath Liquor Ratio Calculator",
    "url": "https://calculators.geekmidst.com/calculators/dye-bath-liquor-ratio-calculator",
    "markdown": "https://calculators.geekmidst.com/calculators/dye-bath-liquor-ratio-calculator.md",
    "category": "Textile & apparel",
    "description": "Find the material-to-liquor ratio (MLR) of a dye bath, the water needed for a fabric load, or how much fabric a bath volume can take.",
    "summary": "Liquor ratio (MLR) is the bath volume in litres per kilogram of fabric, written 1 : x. Know any two of fabric weight, bath volume and ratio to find the third.",
    "also_called": [
        "MLR calculator",
        "Material to liquor ratio 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": "solve_for",
            "label": "Find",
            "type": "segmented",
            "default": "ratio",
            "options": {
                "ratio": "Liquor ratio",
                "water": "Bath volume",
                "fabric": "Fabric load"
            }
        },
        {
            "name": "fabric_kg",
            "label": "Fabric weight",
            "type": "number",
            "default": "50",
            "unit": "kg",
            "shown_when": {
                "solve_for": [
                    "ratio",
                    "water"
                ]
            }
        },
        {
            "name": "liquor_l",
            "label": "Bath volume",
            "type": "number",
            "default": "400",
            "unit": "L",
            "shown_when": {
                "solve_for": [
                    "ratio",
                    "fabric"
                ]
            }
        },
        {
            "name": "ratio",
            "label": "Liquor ratio 1 :",
            "type": "number",
            "default": "8",
            "shown_when": {
                "solve_for": [
                    "water",
                    "fabric"
                ]
            }
        }
    ],
    "outputs": [
        {
            "key": "answer",
            "label": "Answer",
            "format": "text"
        },
        {
            "key": "ratio",
            "label": "Litres per kg of fabric",
            "format": "number"
        },
        {
            "key": "liquor_l",
            "label": "Bath volume",
            "format": "number"
        },
        {
            "key": "fabric_kg",
            "label": "Fabric weight",
            "format": "number"
        }
    ],
    "formula": {
        "text": "Liquor ratio x = Bath volume (L) ÷ Fabric weight (kg);  Bath = Fabric × x;  Fabric = Bath ÷ x",
        "variables": {
            "x": "litres of liquor per kg of fabric, written 1 : x"
        }
    },
    "worked_example": {
        "inputs": {
            "solve_for": "ratio",
            "fabric_kg": "50",
            "liquor_l": "400",
            "ratio": "8"
        },
        "steps": [
            "x = 400 L ÷ 50 kg = 8.",
            "So the liquor ratio is 1 : 8."
        ],
        "result": "50 kg of fabric in 400 litres of bath is a liquor ratio of 1 : 8."
    },
    "interpretation": "Lower ratios use less water, chemicals and heat, but the machine and fabric must still circulate freely; stay within the machine maker’s rated range.",
    "assumptions": [
        "1 litre of bath is treated as 1 kg (water-based liquor)."
    ],
    "limitations": [
        "Water held in wet fabric at loading is not included."
    ],
    "rules": null,
    "faqs": [
        {
            "question": "Is 1:8 the same as 8:1?",
            "answer": "In dyeing, both usually mean 8 litres per kg of fabric; the fabric is the “1”."
        },
        {
            "question": "Does liquor ratio change the dye amount?",
            "answer": "Not for dyes dosed as % owf, but it changes the amount of salt and alkali dosed in g/L."
        }
    ],
    "sources": [],
    "related": [
        {
            "name": "Textile Dye Recipe Calculator",
            "url": "https://calculators.geekmidst.com/calculators/textile-dye-recipe-calculator"
        },
        {
            "name": "Fabric Roll Weight Calculator",
            "url": "https://calculators.geekmidst.com/calculators/fabric-roll-weight-calculator"
        },
        {
            "name": "Textile Dyeing Water Consumption Calculator",
            "url": "https://calculators.geekmidst.com/calculators/textile-dyeing-water-consumption-calculator"
        }
    ],
    "disclaimer": null,
    "publisher": "GM¹X CalcVerse"
}