Constants and Measurement Units 295
• These values represent the most up-to-date constants available at time of printing
from the CODATA Internationally recommended values of the Fundamental Physical
Constants available on the National Institute of Standards and Technology (NIST)
web site. (http://physics.nist.gov/cuu/Constants/index.html).
Length
LengthLength
Length
Area
AreaArea
Area
_Ang angstrom _mi mile
_au astronomical unit _mil 1/1000 inch
_cm centimeter _mm millimeter
_fath fathom _Nmi nautical mile
_fm fermi _pc parsec
_ft foot (ENG/US) _rod rod
_in inch _yd yard
_km kilometer
_
m
micron
_ltyr light year _Å angstrom
_m meter (SI)
_acre acre NONE (SI) (ENG/US)
_ha hectare