Constants and Measurement Units 292
Notes:
• The calculator simplifies unit expressions and displays results according to your
default units. Therefore, constant values displayed on your screen may appear
different from the values in this table.
• For Greek characters, refer to Quick Reference Key Table.
• 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
_m0
permeability of a vacuum
1.2566370614359E‘M6_N/_A
2
_mb
Bohr magneton
9.27400949E
‘M24_J ø_m
2
/_Wb
_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
Description Value