SwapUnits

    Convert

    Wh/kmWh/mi

    Watt-hour per kilometer
    Wh/km
    Watt-hour per mile
    1.6093
    Wh/mi
    Rounded result (4 decimals max)

    Formula

    1 Wh/km = 1.6093 Wh/mi

    Conversion sourcesTap or click to view references
    • The International System of Units (SI) — NIST Special Publication 330

      National Institute of Standards and Technology (NIST). The SI Brochure (SP 330) is the definitive English edition of the BIPM SI tables. NIST’s edition lists the official constants and conversion factors tying inch-pound units to SI, which SwapUnits applies for length, mass, temperature, pressure, volume, and related conversions. See /standards/nist-si-tenfold for the complete decimal multiple/submultiple table. View source · View SI table

    • Fuel Economy Guide (Model Year 2024)

      U.S. Environmental Protection Agency & U.S. Department of Energy. Describes how MPG, km/L, and L/100 km ratings are calculated for the U.S. Monroney label and how to interpret efficiency versus consumption metrics. View source

    • Alternative Fuels Data Center: Fuel Properties Comparison

      U.S. Department of Energy. Lists gasoline lower heating value (about 32 MJ/gal, which is roughly 9.5 kWh per liter), letting the app convert between liquid-fuel efficiency (km/L) and EV metrics (km/kWh, kWh/100 km, Wh/km). View source

    Results update as you type. Swap the direction to convert back from Wh/mi to Wh/km.

    Wh/km to Wh/mi quick table

    Multiply any row by the same factor to scale results. Use the converter above to enter exact values with your own units.

    Watt-hour per kilometer (Wh/km)Watt-hour per mile (Wh/mi)
    2 Wh/km3.2187 Wh/mi
    4 Wh/km6.4374 Wh/mi
    6 Wh/km9.6561 Wh/mi
    8 Wh/km12.8748 Wh/mi
    10 Wh/km16.0934 Wh/mi
    15 Wh/km24.1402 Wh/mi
    20 Wh/km32.1869 Wh/mi

    Wh/mi back to Wh/km

    Keep the reciprocal handy when double-checking calculations or undoing a conversion.

    Watt-hour per mile (Wh/mi)Watt-hour per kilometer (Wh/km)
    2 Wh/mi1.2427 Wh/km
    4 Wh/mi2.4855 Wh/km
    6 Wh/mi3.7282 Wh/km
    8 Wh/mi4.971 Wh/km
    10 Wh/mi6.2137 Wh/km
    15 Wh/mi9.3206 Wh/km
    20 Wh/mi12.4274 Wh/km

    Explore more fuel economy & efficiency reference

    Compare all fuel economy & efficiency reference

    View the full unit roster, charts, and tips for Fuel Economy & Efficiency Reference conversions.

    Open category guide