Unit Conversion [Math for ATPL]

For Computer-Based Interview

[Length]

10 mm = 1 cm

100 cm = 1 m

1000 m = 1 km

1NM 浬 = 1.852 km 公里 = 1.15 miles 英哩 = 6076 ft 英呎

1 inch 英吋 = 2.54 cm 公分

144 sq. inch = 1 sq. feet

 

[Volume]

1 L =  1 dm3 = 1000 cm3 = 1000 mL

1 L = 0.2199 UK gal = 0.2641 US gal

Note:

Specific Gravity (SG)

Jet A1 SG (avg.) = 0.8

AVGAS SG (avg.) = 0.72

#Read More – Fuel Conversion – quantity and mass

 

[Weight]

1 kg = 2.20462 lb

1 tonne = 1000 kg = 0.984 UK ton = 1.102 US ton

 

[Area]

1 ha = 10000 m2

 

[Time/ Speed]

9.87473 KT = 1000 feet per min (fpm) ⇒ 1 KT ≈ 100 fpm

Math – formula

 

 

 

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