|
英 制 (British)
|
米 制
(Metric)
|
国 际 制
(SI Metric)
|
|
1 ft
|
=0.3048 m
|
|
|
1 in
|
=2.54cm
|
=25.4mm
|
|
1 thou
|
=0.0254 mm
|
=25.4μm
|
|
1 yd2
|
=0.8361 m2
|
|
|
1 ft2
|
=0.0929 m2
|
|
|
1 in2
|
=6.4516 cm2
|
=654.16 mm2
|
|
1 yd3
|
=0.7645 m3
|
|
|
1 ft3
|
=0.0283 m3
|
=28.317 dm3
|
|
1 in3
|
=16.387 cm3
|
|
|
1 gal
|
=4.5459 litres
|
=4.5459 dm3
|
|
℉
|
=(1.8×℃)+32
|
|
|
1 ton
|
=1.0160 tomes
|
|
|
1 lb
|
=0.4536 kg
|
|
|
1 oz
|
=28.3495 g
|
|
|
1 lbf
|
=0.457 kgf
|
4.4482 N
|
|
1 lbf/in2
|
=0.0703kgf/cm2
|
=6.8948kN/m2
|
|
1 lb/ft3
|
=16.018 kg/m3
|
|
|
1 lb/in3
|
=27.68 g/cm3
|
=27.68 Mg/m3
|
|
1 Btu
|
=251.996 cal
|
=1.0550 KJ
|
|
|
|
米 制(Metric)
|
英 制
(British)
|
国 际 制
(SI Metric)
|
|
1 m
|
=3.2808 ft
|
|
|
1 cm
|
=0.3937 in
|
|
|
1 mm
|
=0.03937 in
|
|
|
1 m2
|
=1.1959 yd2
|
|
|
1 m2
|
=10.7639 ft2
|
|
|
1 cm2
|
=0.1550 in2
|
|
|
1 m3
|
=1.3079 yd3
|
|
|
1 m3
|
=35.3147 ft3
|
|
|
1 cm3
|
=0.061 in3
|
|
|
1 litre
|
=0.2199 gal
|
=1 dm3
|
|
1 cm3
|
=0.0000353 ft3
|
|
|
℃
|
=((℉-32)×5)÷9
|
|
|
1 tonne
|
=0.9842 ton
|
|
|
1 kg
|
=2.2046 lb
|
|
|
1 g
|
=0.0353oz
|
|
|
1 kgf
|
=2.2046 lbf
|
=9.8066 N
|
|
1 kgf/cm2
|
=14.2233 lbf/in2
|
=98.0665kN/m2
|
|
1 kg/m3
|
=0.0624 lb/ft3
|
|
|
1 g/cm3
|
=0.0361 ib/in3
|
|
|
15