INDEX OF UNITS
Conversion Factors -- U.S. to Metric (SI) Units
To Convert from
To
Multip&
by
angstrom
meters (m)
1.000 000
E -10
atmosphere (normal)
kilopascal (kPa)
1.013 25 x
+2
bar
kilopascal (kPa)
1.000 000
WE +2
E +3
barn
meter® (m°)
1.000 000
British thermal unit
(thermochemical )
joule (J)
1.054 350
cal (thermochemical) /cm
megajoule/m (Md /m)
4.184 000 xfE -2
calorie (thermochemical)
joule (J)
4.184 000
calorie (thermochemical) /g
curie
joule per kilogram (J/kg)*
gigabecquerel (GBq)t
4.184 000 xfE +3
3.7000 000 & E +1
degree Celsius $
degree kelvin (K)
t. = te
degree (angle)
radian (rad)
1.745 329 xff— -2
degree Fahrenheit
degree kelvin (K)
t
electron volt
joule (J)
1.602 19 x
erg
joule (J)
1.000 000 xffE -7
watt (WwW)
1.000 000 xffE -7
meter (m)
3.048 000 xffE -1
joule (J)
1.355 818
erg/second
foot
'
foot-pound-force
qe -28
+ P73.15
= (te + §59.67/1.8
— -19
gallon (U.S. liquid)
meter>(m*)
3.785 412 xfe -3
jerk
joule/kilogram (J/kg)
(radiation dose absorbed)
joule (J)
gray (Gy)*
1.000 000 xfE +9
1.000 000
kilotons
terajoules (TJ)
4.183
inch
meter (m)
2.540 000 xffE -2
* The gray (Gy) is the accepted SI unit equivalent to the energy imparted
ing radiation to a mass of energy corresponding to one joule/kilogram.
[by ioniz-
t The becquerel (Bq) is the SI unit of radioactivity; 1 Bq = 1 disintegratfion/s.
3 Temperature may be reported in degrees Celsius as well as degrees kelvin.
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