SI Units

SI.json

{
    "base": ["s", "m", "kg", "A", "K", "mol", "cd"],
    "derived": {
        "rad": {
            "numerator": ["m"],
            "denominator": ["m"]
        },
        "sr": {
            "numerator": ["m", "m"],
            "denominator": ["m", "m"]
        },
        "Hz": {
            "numerator": [],
            "denominator": ["s"]
        },
        "N": {
            "numerator": ["kg", "m"],
            "denominator": ["s", "s"]
        },
        "Pa": {
            "numerator": ["N"],
            "denominator": ["m", "m"]
        },
        "J": {
            "numerator": ["N", "m"],
            "denominator": []
        },
        "W": {
            "numerator": ["J"],
            "denominator": ["s"]
        },
        "C": {
            "numerator": ["s", "A"],
            "denominator": []
        },
        "V": {
            "numerator": ["J"],
            "denominator": ["C"]
        },
        "F": {
            "numerator": ["C"],
            "denominator": ["V"]
        },
        "Ω": {
            "numerator": ["V"],
            "denominator": ["A"]
        },
        "S": {
            "numerator": [],
            "denominator": ["Ω"]
        },
        "Wb": {
            "numerator": ["V", "s"],
            "denominator": []
        },
        "T": {
            "numerator": ["Wb"],
            "denominator": ["m", "m"]
        },
        "H": {
            "numerator": ["Wb"],
            "denominator": ["A"]
        },
        "lm": {
            "numerator": ["cd", "sr"],
            "denominator": []
        },
        "lx": {
            "numerator": ["lm"],
            "denominator": ["m", "m"]
        },
        "Bq": {
            "numerator": [],
            "denominator": ["s"]
        },
        "Gy": {
            "numerator": ["J"],
            "denominator": ["kg"]
        },
        "Sv": {
            "numerator": ["J"],
            "denominator": ["kg"]
        },
        "kat": {
            "numerator": ["mol"],
            "denominator": ["s"]
        },
        "B": {
            "numerator": [],
            "denominator": []
        }
    },
    "prefixes": {
        "Y": 24,
        "Z": 21,
        "E": 18,
        "P": 15,
        "T": 12,
        "G": 9,
        "M": 6,
        "k": 3,
        "h": 2,
        "da": 1,
        "d": -1,
        "c": -2,
        "m": -3,
        "μ": -6,
        "n": -9,
        "p": -12,
        "f": -15,
        "a": -18,
        "z": -21,
        "y": -24
    },
    "other": {
        "min": {
            "scale": 60,
            "base": ["s"]
        },
        "h": {
            "scale": 60,
            "base": ["min"]
        },
        "d": {
            "scale": 24,
            "base": ["h"]
        },
        "au": {
            "scale": 149597870700,
            "base": ["m"]
        },
        "°": {
            "scale": 0.017453292519943295,
            "base": ["rad"]
        },
        "′": {
            "scale": 0.016666666666666666,
            "base": ["°"]
        },
        "″": {
            "scale": 0.016666666666666666,
            "base": ["′"]
        },
        "ha": {
            "scale": 10000,
            "base": ["m", "m"]
        },
        "l": {
            "scale": 0.001,
            "base": ["m", "m", "m"]
        },
        "L": {
            "scale": 1,
            "base": ["l"]
        },
        "t": {
            "scale": 1000,
            "base": ["kg"]
        },
        "Da": {
            "scale": 1.660539040e-27,
            "base": ["kg"]
        },
        "eV": {
            "scale": 1.602176634e-19,
            "base": ["J"]
        },
        "Np": {
            "scale": 0.8685889638065036,
            "base": ["B"]
        }
    }
}