Convert 1 Astronomical Unit to Millimeter

149,597,870,690,999.97 mm
1 AU (astronomical unit) is equal to 149,597,870,690,999.97 mm (millimeter). To convert from astronomical unit to millimeter, multiply by 149,597,870,690,999.97 or divide by 0.0000000000000066845871226706.

About 1 AU

One Astronomical Unit

  • 1 AU
  • 1 astronomic unit
  • 1 heliocentric distance
  • 1 ua

About 149,597,870,690,999.97 mm

  • 1.49597870691E+14 mil
  • 1.49597870691E+14 millimetres
Other Measurements