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Ú“ªŒê
101 ƒfƒJ deca da @
102 ƒwƒNƒghecto h
103 ƒLƒ kilo k
106 ƒƒK mega M
109 ƒMƒK giga G
1012 ƒeƒ‰ tera T
1015 ƒyƒ^ peta P
1018 ƒGƒNƒT exa E
1021 ƒ[ƒ^ zetta Z
1024 ƒˆƒ^ yotta Y
10-1 ƒfƒV deci d
10-2 ƒZƒ“ƒ` centi c
10-3 ƒ~ƒŠ mili m
10-6 ƒ}ƒCƒNƒ micro ƒÊ
10-9 ƒiƒm nano n
10-12 ƒsƒR pico p
10-15 ƒtƒFƒ€ƒg femto f
10-18 ƒAƒg atto a
10-21 ƒ[ƒvƒg zepto z
10-24 ƒˆƒNƒg yocto y
“ú–{‚ÌÚ“ªŒê
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101\ ‚¶‚イ
102•S ‚ЂႭ
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104–œ ‚Ü‚ñ
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10-5š ‚±‚Â
10-6”÷ ‚Ñ
10-7‘@ ‚¹‚ñ
10-8¹ ‚µ‚á
10-9o ‚¶‚ñ
10-10šº ‚ ‚¢
10-11ŸÛ ‚т傤
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Ž¿—Ê Mass [kg]
1 ƒgƒ“ t = 1000 kg = 1~10 3 kg
1 ƒJƒ‰ƒbƒg ct = 0.2 g = 0.2 g = 2~10 -4 kg
1 ƒIƒ“ƒX oz = 16 ƒhƒ‰ƒ€ dr = 28.35 g = 2.835~10 -2 kg
1 ƒ|ƒ“ƒh lb = 16 oz = 0.4536 kg = 4.536~10 -1 kg
1 –æ = 10 •ª = 3.75 g = 3.75~10 -3 kg
1 ‹Ò = 160 –æ = 0.6 kg = 6~10 -1 kg
1 ŠÑ = 1000 –æ = 3.75 kg = 3.75 kg
’·‚³ Length [m]
1 ƒCƒ“ƒ` in () = 25.4 mm = 2.54~10 -2 m
1 ƒt[ƒg ft (Œ) = 12 in = 0.3048 m = 3.048~10 -1 m
1 ƒ„[ƒh yd = 3 ft = 0.9144 m = 9.144~10 -1 m
1 ƒ`ƒF[ƒ“ ch = 22 yd = 20.12 m = 2.012~10 m
1 ƒ}ƒCƒ‹ mile = 1760 yd = 1.6093 km = 1.6093~10 3 m
1 ŠC—¢ nm = 1.852 km = 1.852~10 3 m
1 •ª = 3.0303 mm = 3.0303~10 -3 m
1 ¡ = 10 •ª = 3.0303 cm = 3.0303~10 -2 m
1 ŽÚ = 10 ¡ = 0.30303 m = 3.0303~10 -1 m
1 ŠÔ = 6 ŽÚ = 1.8182 m = 1.8182 m
1 ’¬ = 60 ŠÔ = 109.09 m = 1.0909~10 2 m
1 —¢ = 36 ’¬ = 3.9273 km = 3.9273~10 3 m
–ÊÏ Area [m2]
1 a = 100 m2 = 1~10 2 m2
1 ha = 100 a = 10000 m2 = 1~10 4 m2
1 in2 = 645.16 mm2 = 6.4516~10 -4 m2
1 ft2 = 144 in2 = 0.092903 m2 = 9.2903~10 -2 m2
1 ƒG[ƒJ[ ac = 10 ch2 = 4046.9 m2 = 4.0469~10 3 m2
1 •½•ûƒ}ƒCƒ‹ = 640 ac = 2.5900 km2 = 2.5900~10 6 m2
1 •à = 1 ’Ø = 1 •½•ûŠÔ = 3.3058 m2 = 3.3058 m2
1 ¤ = 30 •à = 0.99174 a = 9.9174~10 m2
1 ’ii”½j = 300 •à = 9.9174 a = 9.9174~10 2 m2
1 ’¬ = 3000 •à = 0.99174 ha = 9.9174~10 3 m2
‘ÌÏ Volume [m3]
1 ml = 1 cc = 1 cm3 = 1~10 -6 m3
1 lit. = 1000 ml = 1 dm3 = 1~10 -3 m3
1 in3 = 16.386 cm3 = 1.6386~10 -5 m3
1 ft3 = 1728 in3 = 28.32 lit. = 2.832~10 -2 m3
1 ƒpƒCƒ“ƒg pint = 4 gil = 0.5683 lit. = 5.683~10 -4 m3
1 ƒNƒH[ƒg qt = 2 pint = 1.137 lit. = 1.137~10 -3 m3
1 ‰pƒKƒƒ“ gal = 4 qt = 4.546 lit. = 4.546~10 -3 m3
1 •ÄƒKƒƒ“ gal = 3.785 lit. = 3.785~10 -3 m3
1 ‰pƒuƒbƒVƒFƒ‹ bus = 7.996 gal = 36.35 lit. = 3.635~10 -2 m3
1 •ÄƒuƒbƒVƒFƒ‹ bus = 9.309 gal = 35.24 lit. = 3.524~10 -2 m3
1 ΖûƒoƒŒƒ‹ barre = 42 US gal = 159.0 lit. = 1.590~10 -1 m3
1 ‡ = 10 ŽÙ = 180.39 ml = 1.8039~10 -4 m3
1 ¡ = 10 ‡ = 1.8039 lit. = 1.8039~10 -3 m3
1 “l = 10 ¡ = 18.039 lit. = 1.8039~10 -2 m3
1 Î = 10 “l = 180.39 lit. = 1.8039~10 -1 m3
‘¬“x Velocity [m/s]
1 km/h = 1/3.6 m/s = 0.2778 m/s = 2.778~10 -1 m/s
1 mile/h = 1.6093 km/h = 0.4470 m/s = 4.470~10 -1 m/s
1 knot = 1 nm/h = 1.852 km/h = 0.5144 m/s = 5.144~10 -1 m/s