export declare const commonUnits: {
    readonly length: readonly ["m", "km", "cm", "mm", "mile", "foot", "inch"];
    readonly weight: readonly ["kg", "g", "lb", "oz"];
    readonly volume: readonly ["l", "ml", "gal", "cup"];
    readonly temperature: readonly ["c", "f", "k"];
    readonly area: readonly ["m2", "km2", "ha", "acre"];
    readonly pressure: readonly ["pa", "bar", "psi", "atm"];
    readonly energy: readonly ["j", "kj", "cal", "kwh"];
    readonly speed: readonly ["kph", "mph", "mps"];
    readonly data: readonly ["kb", "mb", "gb", "tb"];
};