Useful conversion factors for aviation enthusiasts

Measures

MetricUS customaryImperial (UK)Nautical
1 km0.62 mi (miles) 0.54 n-mi (nautical mile)
1 kW1.34 hp (horsepower)  
1 m39 in (inches)  
1 kg2.2 lb (pounds)  
1 kW1.34 hp (horsepower)  
1 ltr (liter)60 cu-in (cubic inches)  
 0.27 gal (gallons)0.22 gal 
 1.06 qt (quarts)0.88 qt 
 2.12 pt (pints)1.75 pt 
1 metric ton (1000 kg)1.1 tons  
2.54 cm1 in  
30.5 cm1 ft (foot)  
0.92 m1 yd (yard)  
1.61 km1 mi  
1.85 km1.15 mi 1 n-mi
1.85 km/hr1.15 mph (mi/hr) 1 knot
16.7 cm³1 cu-in  
0.47 ltr1 pt   
0.57 ltr 1 pt  
0.95 ltr1 qt   
1.14 ltr 1 qt  
3.78 ltr1 gal   
4.55 ltr 1 gal  
0.46 kg1 lb   


Text © 2002 by Robert Craig Johnson. All rights reserved.