一般的な単位・換算表
                                                   （翻訳会社ジェスコ作成）

長さ(linear measure)

1 inch (in.) = 0.0833 ft. = 2.540 cm

1 foot (ft.) = 12 in. = 0.3048 m

1 yard (yd.) = 3 ft. = 0.9144 m

1 rod (rd.) = 5¹/₂ yd. = 5.029 m

1 chain (ch.) = 22 yd. = 20.12 m

1 furlong (fur.) = 10 ch. = 0.2012 km

1 mile (mi., mil.) = 8 fur. = 1,760 yd. = 1.609 km

 

1 millimeter (mm) = 0.039 in.

1 centimeter (cm) = 10 mm = 0.3937 in.

1 decimeter (dm) = 10 cm = 3.937 in.

1 meter (m) = 100 cm = 39.37 in.

1 decameter (dam) = 10 m = 10.94 yd.

1 hectometer (hm) = 100 m = 109.4 yd.

1 kilometer (km) = 1,000 m = 0.6214 mil.

   

面積 (square measure)

1 square inch (sq. in.) = 6.4516 cm²

1 square foot (sq. ft.) = 144 in² = 0.0929 m²

1 square yard (sq. yd.) = 9.105 ft² = 0.8361 m²

1 square rod (sq. rd.) = 30¹/₄ yd² = 25.293 m²

1 square chain (sq. ch.) = 16 rod² = 404.67 m²

1 acre (A) = 10 ch² (= 4,840 yd²) = 4,046.7 m²

1 square mile (sq. mil.) = 640 A = 2.5900 km²

 

1 square millimeter (mm²) = 0.00155 in²

1 square centimeter (cm²) = 100 mm² = 0.1550 in²

1 square meter (m²) = 10,000 cm² = 1.196 yd² (= 0.3025坪)

1 are (a) = 100 m² = 119.6 yd² (= 30.25坪)

1 hectare (ha) = 10,000 m² (= 100a) = 2.471 A

1 square kilometer (km²) = 100 ha = 247.114 A

 

 

体積(cubic measure)

1 cubic inch (cu. in.) = 16.387 cm³

1 cubic foot (cu. ft.) = 1,728 in³ = 0.02832 m³ (= 28.32 dm³)

1 cubic yard (cu. yd.) = 27 ft³ = 0.7646 m³

 

1 cord (cd.) = 128 ft³ = 3.6246 m³

1 cubic centimeter (cm³) = 0.06102 in³

1 cubic decimeter (dm³) = 1,000 cm³ = 0.03532 ft³

1 cubic meter (m³) = 1,000 dm³ = 1.308 yd³

 

重さ (avoirdupois weight or mass)

1 grain (gr.) = 64.8 mg

1 dram (dr. avdp.) = 27.3438 gr. = 1.7718 g

1 ounce (oz.) = 16 dr. = 28.3495 g

1 pound (lb.) = 16 oz. = 0.4536 kg

1 stone (st.) = 14 lb. = 6.350 kg

1 quarter (qr.) = 2 st. = 12.70 kg

1 hundredweight (cwt.) = ＜米＞100 lb. (= 45.36 kg)

= ＜英＞112 lb. (= 50.80 kg)

1 (short) ton (t.) = 2,000 lb. = 0.9072 tonne

1 (long) ton = 20 cwt. = 1.016 tonne 

 

1 milligram (mg) = 0.015 gr.

1 centigram (g) = 10 mg = 0.154 gr.

1 decigram (dg) = 100 mg = 1.543 gr.

1 gram (g) = 10 dg = 15.43 gr. (= 0.035 oz.)

1 decagram (dag) = 10 g = 0.353 oz.

1 hectogram (hg) = 10 dag = 3.527 oz.

1 kilogram (kg) = 10 hg = 2.2046 lb.

1 tonne (M.T.) = 1,000 kg = 1.1023 (short) ton (= 2,204.62 lb.) = 0.984 (long) ton

 

容積 (capacity measure)

1 fluid ounce (fluid oz.) = ＜米＞29.57 cm³

= ＜英＞28.41 cm³

1 gill (gi.) = ＜米＞4 fluid oz. (= 0.118 dm³)

                       = ＜英＞5 fluid oz. (= 0.142 dm³)

1 pint (pt.) = 4 gi. = ＜米＞0.4732 dm³

                         = ＜英＞0.5683 dm³

1 quart (qt.) = 2 pt. = ＜米＞0.9464 dm³

                           = ＜英＞1.137 dm³

 

1 gallon (gal.) = 4 qt. = ＜米＞231 in³ (= 3.785 dm³)

                             = ＜英＞277.42³ (= 4.546 dm³)

1 bushel (bu.) = 8 gal. = ＜米＞35.24 dm³

                               = ＜英＞36.37 dm³

1 milliliter (ml) = 0.00176 pt.

1 centiliter (cl) = 10 ml = 0.0176 pt.

1 deciliter (dl) = 10 cl = 0.176 pt.

1 liter (l) = 10 dl = 0.264 ＜米＞gal.

                        = 0.220 ＜英＞gal.

1 decaliter (dal) = 10 l = 2.20 ＜英＞gal.

1 hectoliter (hl) = 10 dal = 22.0 ＜英＞gal.

1 kiloliter (kl) = 10 hl = 220.0 ＜英＞gal.

 

温度(temperature)

C(Celsius)=5/9(F-32)

F(Fahrenheit)=9/5C+32

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