http://www.aarweb.org/Meetings/Annual_Meeting/Current_Meeting/Travel_Information/metric.asp

Measurement Conversions

Weight (Avoirdupois1)

English (U.S.) Metric
1 ounce (oz.)
(=437.5 grains)		 28.36 g
1 pound (lb.)
(=16 oz.)		 0.45 kg
1 ton (U.S.)2
(=2,000 lbs.)		 907.18 kg
0.907 Mg
    
Metric English (U.S.)
1 g 0.035 oz.
1 kg 2.20 lb.
1 Mg (ton) 2,204.62 lbs.
1.102 ton (U.S.)
1  

The only weights that the typical traveler will experience are avoirdupois weights, but it bears mention that the situation is somewhat confused by the existence of troy weights, which are used for precious metals, and which use the words "pound" and "ounce" differently.

Weight (Troy) Weight (Avoirdupois) Metric
1 ounce (oz.)
(=480 grains)		 1.09714 oz. 31.10 g
1 pound (lb.)
(=12 oz.)		 0.82286 lb. 0.37 kg
2   A British ton is 2,240 lbs. (=1.12 U.S. tons).

Temperature

Fahrenheit Celsius
0°F -18°C
10°F -12°C
20°F -7°C
30°F -1°C
40°F 4°C
50°F 10°C
60°F 16°C
70°F 21°C
80°F 27°C
90°F 32°C
100°F 38°C
    
Celsius Fahrenheit
-20°C -4°F
-15°C 5°F
-10°C 14°F
-5°C 23°F
0°C 32°F
5°C 41°F
10°C 50°F
15°C 59°F
20°C 68°F
25°C 77°F
30°C 86°F
35°C 95°F
40°C 104°F
 
Benchmark Fahrenheit Celsius
Water freezes3 32°F 0°C
Average Human Body Temperature 98.6°F 37°C
Water boils3 212°F 100°C
3   Pure water at sea level
 
Conversion
Celsius to Fahrenheit C × (9/5) + 32 = F
Fahrenheit to Celsius F – 32 × (5/9) = C

Length

English (U.S.) Metric
1 inch (" or in.) 2.54 cm
1 foot (' or ft.)
(=12")		 0.30 m
1 yard (yd.)
(=3')		 0.91 m
1 mile (mi. or M)
(=5,280')		 1.61 km
    
Metric English (U.S.)
1 cm 0.39"
1 m 3.28'
1 km 0.62 mi.

Area

English (U.S.) Metric
1 ft2 0.09 m2
1 yd2
(=9 ft2)		 0.87 m2
1 acre
(=4,840 yd2)		 0.40 ha
    
Metric English (U.S.)
1 m2 10.76 ft2
1 ha 2.47 acres
     
English (U.S.) Japanese
1 ft2 0.028 tusbo
1 yd2
(=9 ft2)		 0.25 tsubo
    
Japanese English (U.S.)
1 tsubo 3.95 yd2
35.58 ft2

Volume

English (U.S.) Metric
1 teaspoon (t. or tsp.) 4.93 mL
1 tablespoon (T. or tbsp.)
(=3 t.)		 14.79 mL
1 ounce (oz.)
(=2 T.)		 29.59 mL
1 cup (c.)
(=8 oz.)		 236.59 mL
1 pint (pt.)
(=2 c.)		 473.18 mL
1 quart (qt.)
(=2 pt.)		 0.95 L
1 gallon (gal.)
(=4 qt.)		 3.79 L
    
Metric English (U.S.)
1 mL 0.20 t.
1 L 1.06 qt.
0.26 gal.

Clothing Sizes

Use this section only as a guideline.

Dresses

USA 3 5 7 9 11 12 13 14 15 16 18
Europe 36

38

40

42

44

 46 48
United Kingdom 8 10 11 12 13 14 15 16 17 18 20
Japan 2 4 6 8 9 11 12 13 14 15 17

Shirts, Men

USA/United Kingdom 14 14.5 15 15.5 16 16.5 17 17.5
Europe/Japan 36 37 38 39 41 42 43 44

Shirts, Women

USA 8 10 12 14 16 18 20 22 24 26
Europe 36 38 40 42 44 46 48 50 52 54
United Kingdom 30 32 34 36 38 40 42 44 46 48
Japan 7 9 11 13 15 17 19 21 23 25

Shirts, Children

USA 2 4 6 8 10
Europe 40-55 50-55 60-65 70-75 80-85
United Kingdom 16-18 20-22 24-26 28-30 32-34
Japan 90 100 110 120 130

Shoes, Men

USA 5 6 7 8 9 10 11 12
Europe 37 38 39.5 41 42 43 44.5 46
United Kingdom 4 5 6 7 8 9 10 11
Japan     24.5 25.5 26.5 27.5 28 29

Shoes, Women

USA 4 5 6 7 8 9 10
Europe 35 36 37 38 39 40 41
United Kingdom 2.5 3.5 4.5 5.5 6.5 7.5 8.5
Japan 21.5 22.5 23.5 24.5 25 26  

Shoes, Children

USA 8 9 10 11 12 13 1 2
Europe 24 25 27 28 29 30 32 33
United Kingdom 7 8 9 10 11 12 13 1
Japan 15 16 16.5 17.5 18.5 19 20 21

Suits

USA/United Kingdom 30 32 34 36 38 40 42 44 46 48
Europe 40 42 44 46 48 50 52 54 56 58
Japan     S   M L        

Bras

Cup size is the same.

USA 30 32 34 36 38 40 42 44
Europe 65 70 75 80 85 90 95 100
France 80 85 90 95 100 105 110 115
International 60 65 70 75 80 85 90 95

Pants (Trousers), Men

USA 30 32 34 36 38 40
Europe/Japan 46 48 50 52 54 56
United Kingdom 46 48 52 54 56 58

Pants (Trousers), Women

USA 8 10 12 14 16 18
Europe/Japan 36 38 40 42 44 46
United Kingdom 10 12 14 16 18 20

Pants (Trousers), Children

USA 2 4 6 8 10
Europe 40-55 50-55 60-65 70-75 80-85
United Kingdom 16-18 20-22 24-26 28-30 32-34
Japan 90 100 110 120 130

 

Please join us in
beautiful Baltimore for the
2013 AAR Annual Meeting
November 23-26

Photo Credit: Visit Baltimore