インチ、ポンド、ガロンなど、アメリカ独自の測定単位を使い慣れた十進法や日本独自の単位に簡単に変換できる対照表です。
Length / 長さ
| US |
Metric |
| 1” (inch) |
25.4 mm |
| 1’ (foot) = 12” |
30.48 cm = 304.8 mm |
| 1 yard = 3’ = 36” |
0.91 m = 91.44 cm |
| 1 mile = 1760 yard = 5280’ |
1.6 km = 1609 m |
| 0.62 miles |
1 km = 1000 m |
| 1.09 yards = 3.28’ = 39.37” |
1 m = 100 cm = 1000 mm |
| |
1 mm = 1000 μm = 1,000,000 nm |
Mass / 重さ
| US |
Metric |
| 1 oz (Ounce) |
28.35 g |
| 1 lb (Pound) = 16 oz |
0.453 kg = 453.59 g |
| 1 Stone = 14 lbs = 224 oz |
6.35 kg |
| 1 US ton = 2000 lbs = 0.893 UK ton |
0.907 Metric ton = 907.19 kg |
| 1.102 US ton = 2204.62 lbs |
1 Metric ton = 1000 kg |
| 2.20 lbs = 35.27 oz |
1 kg = 1000 g |
| |
1 g = 1,000 mg = 1,000,000 μg |
Area / 面積
| US |
Metric & Japanese |
| 1 Foot2 = 144 Inch2 |
0.0929 m2 = 929.03 cm2 |
| 1 Yard2 = 9 Foot2 |
0.836 m2 = 8361.3 cm2 |
| 1 Acre = 4840 Yard2 = 43560 Foot2 (=660’x66’) |
0.405 ha = 4046.86 m2 = 1226 Tsubo (坪) |
| 1 mile2 = 640 Acre |
2.59 km2 = 259 ha (hectare) |
| 0.386 mile2 = 247.1 Acre |
1 km2 = 100 ha |
| 10.76 Foot2 |
1 m2 = 10000 cm2 |
| 35.58 Foot2 |
1 JP Tsubo (坪) = 3.31 m2 |
Volume / 体積
| US |
Metric & Japanese |
| 1 US Teaspoon = 0.83 UK Teaspoon |
4.93 mL (cc) = 0.99 JP Ko-saji (小さじ) |
| 1 US Tablespoon = 3 US Teaspoon |
14.79 mL = 0.99 JP Oh-saji (大さじ) |
| 1 US Fl.oz (液量オンス) = 2 US Tablespoon |
29.57 mL |
| 1 US Legal (規格計量) cup = 8.12 US Fl. oz |
240 mL = 1.20 JP cup |
| 1 US Customary (慣用) cup = 8 US Fl.oz |
236.59 mL |
| 1 US Pint = 16 US Fl.oz = 0.83 UK Pt |
473.18 mL |
| 1 US Quart = 2 US Pt = 0.83 UK Qrt |
0.95 L = 946.35 mL |
| 1 US Gallon = 4 US Qrt = 0.83 UK Gal |
3.79 L = 3785.41 mL |
| 1 Foot3 = 7.48 Gal = 1728 Inch3 |
28.32 L |
| 35.31 Foot3 = 264.17 Gal |
1 m3 = 1000 L |
| 0.26 Gal = 1.06 Qrt. = 33.81 Fl.oz |
1 L = 1000 mL |
| 0.83 US Legal cup |
1 JP cup = 200 mL |
| 1.014 US Tablespoon = 0.51 Fl.oz |
1 JP Oh-saji (大さじ) = 3 JP Ko-saji = 15 mL |
| 1.014 US Teaspoon = 0.17 Fl.oz |
1 JP Ko-saji (小さじ) = 5 mL |
| 0.48 Gal = 60.997 Fl.oz |
1 JP Sho (一升) = 10 JP Go = 1.804 L |
| 6.10 Fl.oz |
1 JP Go (合) = 180.39 mL |
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