Unit Listing: H-I
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 List Units: A B C D E-F G H-I J-L M N O-P Q-R S T U-Z
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Unit Name  Symbol SI Equivalent
 · hand (UK)
hd  0.1016m
 · hartree
Eh  4.35975x10-18J
 · hectare
ha  1x104m2
 · hectogram
hg  0.1kg
 · hectoliter
hl, hL  0.1m3
 · hectometer
hm  100m
 · hectopascal
hPa  100Pa
 · hefner unit (hefnerkerze)
HK  0.903cd
 · helmholtz
3.336x10-10C/m
 · henry
H  1H
 · henry per meter
H/m  1H/m
 · hertz
Hz  1/s
hhd, hgs  0.238481m3
 · horsepower (550 ft-lbf/s)
HP  745.7W
 · horsepower (550ft-lbf/s)-hour
Hp-h  2.68452x106J
 · horsepower (boiler)
HP  9809.5W
 · horsepower (British)
BHP, hp  745.7W
 · horsepower (cheval-vapeur)
cv, HP  735.499W
 · horsepower (electric)
HP  746W
 · horsepower (metric)
HP  735.499W
 · horsepower (water)
HP  746.043W
 · hour
h  3600s
 · hour of arc
 · hubble
9.46053x1024m
 · hundredweight (gross or long)
cH, cwt, lg cwt  50.8023kg
 · hundredweight (net or short)
sh. cwt  45.3592kg
 · hundredweight (UK, avoirdupois)
cwt (av.)  50.8023kg
 · hyl
Hyl, hyl  9.80665kg
 · inch
in  2.54x10-2m
 · inch of mercury (0°C)
inHg (0 °C)  3386.38Pa
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 List Units: A B C D E-F G H-I J-L M N O-P Q-R S T U-Z