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1 Å = 1 × 10−10 m
1 Btu = 1.054 × 10+3 J
1 Btu = 252 cal
1 Cal = 1 × 10+3 cal
1 Hg = 1.316 atm
1 J = 0.2389 cal
1 J = 0.738 ftlb
1 J = 1 × 10+7 erg
1 J = 2.778 × 10−7 kWh
1 J = 6.242 × 10+18 eV
1 J = 9.488 × 10−4 Btu
1 N = 0.2248 lb
1 N = 1 × 10+5 dyne
1 Pa = 9.872 × 10−6 atm
1 W = 1.34 × 10−3 hp
1 atm = .760 Hg
1 atm = 1.013 × 10+5 Pa
1 cal = 1 × 10−3 Cal
1 cal = 3.968 × 10−3 Btu
1 cal = 4.186 J
1 cm = 0.3937 in
1 cm3 = 1 × 10−3 liter
1 day = 1.44 × 10+3 min
1 day = 2.74 × 10−3 year
1 day = 24 h
1 day = 8.64 × 10+4 s
1 deg = 0.01745329252 rad
1 deg = 2.777777778 × 10−3 rev
1 dyne = 1 × 10−5 N
1 dyne = 4.448 × 10+5 lb
1 eV = 1.0735 × 10−9 u
1 eV = 1.602 × 10−19 J
1 erg = 1 × 10−7 J
1 ft = 0.3048 m
1 ft = 0.333333 yd
1 ft = 1.894 × 10−4 mi
1 ft = 12 in
1 ft3 = 28.33 liter
1 ft3 = 7.481 gal
1 ftlb = 1.355 J
1 gal = 0.1337 ft3
1 gal = 231 in3
1 gal = 3.786 liter
1 h = 1.141 × 10−4 year
1 h = 3600 s
1 h = 4.167 × 10−2 day
1 h = 60 min
1 hp = .746 kW
1 hp = 746 W
1 in = 2.54 × 10−2 m
1 in = 2.54 cm
1 in = 8.333 × 10−2 ft
1 in3 = 4.33 × 10−3 gal
1 kW = 1.34 hp
1 kWh = 3.6 × 10+6 J
1 kg = 1 × 10−3 t
1 kg = 6.024 × 10+26 u
1 kg = 6.854 × 10−2 slug
1 km = 0.6215 mi
1 lb = 2.248 × 10−6 dyne
1 lb = 4.448 N
1 liter = 0.0353 ft3
1 liter = 0.264 gal
1 liter = 1 × 10−3 m3
1 liter = 1 × 10+3 cm3
1 liter = 1.0576 qt
1 m = 1 × 1010 Å
1 m = 1.0936 yd
1 m = 3.281 ft
1 m = 39.37 in
1 m = 0.0006215 mi
1 m3 = 1 × 10+3 liter
1 mi = 1.609 km
1 mi = 1609.0 m
1 mi = 5280 ft
1 min = 1.666667 × 10−2 h
1 min = 1.901 × 10−6 year
1 min = 6.944 × 10−4 day
1 min = 60 s
1 qt = 0.9455 liter
1 rad = 0.1591549431 rev
1 rad = 57.29577951 deg
1 rev = 360 deg
1 rev = 6.283185308 rad
1 s = 1.157 × 10−5 day
1 s = 1.666667 × 10−2 min
1 s = 2.777778 × 10−4 h
1 s = 3.16 × 10−8 year
1 slug = 14.59 kg
1 t = 1 × 10+3 kg
1 u = 1.66 × 10−27 kg
1 u = 931.5 × 10+6 eV
1 yd = 0.9144 m
1 yd = 3 ft
1 year = 3.16 × 10+7 s
1 year = 365.25636 day
1 year = 5.259 × 10+5 min
1 year = 8.766 × 10+3 h
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