Mechanical Engineering Board Exam Conversions

Mechanical Engineering Board
Exam Conversions
FORCE 1 ft = 12 in
𝑚 1 in = 2.54 cm
1 kgf = 9.8066 N = 9.81 kgm 𝑠2
1 mi = 1.61 km
1 N = 105 dynes
1 furlong = 660ft
1 lbf = 32.174 poundal
1 fathom = 6ft
1 lbf = 444800 dynes
𝑓𝑡 𝑓𝑡 1 yard = 3 ft
1 lbf = 1 slug𝑠2 = 32.174 lbm𝑠2
AREA
𝑐𝑚
1 gf = 981 gm 𝑠2 = 981 dynes
1 Are = 100 m2
𝑚
1 N = 1 kg𝑠2 PRESSURE

1 kip = 1000 lb 1 MPa = 1000 kPa = 106 Pa

MASS 1 Mpa = 1 N/mm2

1kgm = 1000 gm 1 Pa = 1 N/m2

1kgm = 2.205 lbm 1 kPa = 1 kN/m2

1 metric ton (Mton/long ton) = 1000 kgm 1 GPa = 1 kN/mm2

1 ton (short ton) = 2000 lbs 1 psf = 1 lbf/ft2

1 ton = 907.4 kgm 1 ksi = 1000 psi

1 lbm = 16 oz 1 atm = 14.7 psia = 101.325 kPa
= 1.01325 bars = 1.032 kgf/cm2
1 lbm = 7000 grains = 760 torrs = 0 kPag
= 29.92 inHg = 760 mmHg
VOLUME
= 33.9 ft H2O = 10.33 m H2O
1 m3 = 1000 L
VISCOSITY
1 gal = 3.78 L
1 Pa s = 10 poise
3
1 ft = 7.48 gal
Poise = SG(Stoke)
1 bbl (barrel) = 42 gal
TIME
𝑡(𝑖𝑛)𝑥 𝑤(𝑖𝑛)𝑥 𝑙(𝑓𝑡)
# of board feet = 1 yr = 8760 hrs
12

DISTANCE 1 decade = 10 years
1 m = 3.28 ft 1 score = 20 years