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HVACR knowledge

 

Conversion tables

Length

 

 Area 

1 inch = 2,54 cm
1 foot = 0,3048 m
1 yard = 0,9144 m
1 rod = 5,0292 m
1 chain = 20,117 m
1 furlong = 201,17 m
1 mile = 1,6093 km
1 nautical mile = 1,8532 km
1 millimetre = 0,03937 in
1 centimetre = 0,3937 in
1 decimetre = 0.3281 ft
1 metre = 3,281 ft
1 metre = 1,094 yd
1 decametre = 10,94 yds
1 kilometre = 0,6214 mi
1 kilometre = 0,539 naut. mi
 
 1 square inch = 6,4516 cm2
 1 square foot = 929,03 cm2
 1 square yard = 0,8361 m2
 1 acre = 4046,9 m2
 1 square mile = 259,0 ha 
 1 sq. centimetre = 0,1550 in2
 1 square metre = 1,550 ins2
 1 are = 119,60 yds2
 1 hectare = 2,4711 a 
 1 hectare = 2,4711 a 
     

Volume

   
 1 cubic inch = 16,387 cm3
 1 cubic foot = 0,0283 m3
 1 cubic yard = 0,7646 m3
 1 cubic centimetre = 0,061 in3
 1 cubic decimetre = 0,035 ft3
 1 cubic metre = 1,308 yd3
   
     

 Dry measure (Imperial)

 

 Liquid measure (USA) 

1 pint = 0,5506 l
1 quart = 1,136 l
1 gallon = 4,546 l
1 peck = 9,042 l
1 bushel = 36,369 l
 
1 pint = 0,473 l
1 quart = 0,9463 l
1 gallon = 3,785 l
1 peck = 8,809 l
1 bushel = 35,24 l
     

 Weight

 

Speed

1 ounce = 28,36 gr
1 pound = 453,59 gr
1 hundredweight = 45,36 kg
1 ton = 907,18 kg
1 gram = 0,035 oz
1 hectogram = 3,527 ozs
1 kilogram = 2,205 oz
1 stone 6.35029 kg
1 ton = 1,102sh. tn
 
mph: 20 30 40 50 60 70 80 90 100
km/h: 32 48 64 80 96 112 128 144 160

Temperature

Celcius° = 
5 ( F° - 32° )

9
  Fahrenheit° = 
9 * C°

5
 + 32°
  32 41 50 59 68 77 86 95 104 140 176 212      °F = Fahrenheit
g  
  0 5 10 15 20 25 30 35 40 60 80 100      °C = Celcius