• W = watt (power)
• watt = J/s (power; derived unit)
• Wave Number
  • area to volume = wave number
  • capture unit = wave number
  • curvature of a curve = wave number
  • diopter (lens power) = 1/m (derived unit)
  • kayser = 100 1/m
  • lens power = wave number
  • torsion of a curve = wave number
  • wave number = 1/m (category unit)
• wave number = 1/m (wave number; category unit)
• wavelength = length (length)
• Wb = weber (magnetic flux)
• weber = V*s (magnetic flux; derived unit)
• week = 7 day (time)
• weekend = 2 day (time)
• weekly = week (time)
• weight = force (force)
• Weight Density
  • H20 density (water weight density) = 0.0885472440945 kg/m^2*s^2
  • Hg weight density = 133322.368421 kg/m^2*s^2
  • pressure drop to length = weight density
  • weight density = N/m^3 (category unit)
• weight density = N/m^3 (weight density; category unit)
• wey = 40 bushel (volume)
• wey mass = 252 pound (mass)
• Wh (watt hour) = W*hour (energy; derived unit)
• width = length (length)
• wine arroba (Spanish wine arroba) = 4.3 gallon (volume)
• wine bottle = 0.800633 quart (volume)
• winter = 89.0416666666667 day*approx (time)
• wk = week (time)
• work = energy (energy)

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