Advanced Diesel Generator Calculation Tools Advanced Diesel Generator Calculation Tools Conversion Table - Marine Engineers Tools

Conversion Table

Quantity	Name	Symbol
length	metre	m
mass	kilogram	kg
time	second	s
electric current	ampere	A
absolute temperature	kelvin	K
amount of substance	mole	mol
luminous intensity	candela	cd

Quantity	Name	Symbol
plane angle	radian	rad
solid angle	steradian	sr

Quantity	Name	Symbol	Definition
time	minute	min	1 min = 60 s
time	hour	h	1 h = 60 min
plane angle	degree	°	1° = (π/180) rad
volume	litre	l	1 l = 1 dm³
pressure	bar	bar	1 bar = 10⁵ Pa

Unit	Conversion
1 in (inch)	25.40 mm = 0.0254 m
1 ft (foot)	0.3048 m
1 yd (yard)	0.9144 m
1 statute mile	1609 m
1 n mile (international nautical mile)	1852 m

Factor	Prefix	Symbol
10¹⁸	exa	E
10¹⁵	peta	P
10¹²	tera	T
10⁹	giga	G
10⁶	mega	M
10³	kilo	k
10²	hecto	h
10¹	deca	da
10⁻¹	deci	d
10⁻²	centi	c
10⁻³	milli	m
10⁻⁶	micro	µ
10⁻⁹	nano	n
10⁻¹²	pico	p
10⁻¹⁵	femto	f
10⁻¹⁸	atto	a

Unit	Conversion
1 sq. in (square inch)	0.6452 x 10⁻³ m²
1 sq. ft (square foot)	92.90 x 10⁻³ m²

Unit	Conversion
1 kpm/s	9.807 W
1 hp (metric)	735.5 W = 0.7355 kW
1 kcal_I.T./h	1.163 W
1 ft lbf/s	1.356 W
1 hp (UK, US)	745.7 W
1 BTU/h	0.2931 W

Unit	Conversion
1 m³	1000 l
1 cub. in (cubic inch)	16.39 x 10⁻⁶ m³
1 cub. ft (cubic foot)	28.32 x 10⁻³ m³ = 28.32 l
1 gallon* (imperial, UK)	4.546 x 10⁻³ m³ = 4.546 l
1 gallon* (US)	3.785 x 10⁻³ m³ = 3.785 l
1 barrel (US petroleum barrel)	0.1590 m³
1 bbl (dry barrel, US)	0.1156 m³
1 register ton = 100 cub. ft	2.832 m³

Unit	Conversion
1 lb (pound mass) = 16 ozs (ounces)	0.4536 kg
1 cwt (UK) (hundredweight) = 112 lbs	50.80 kg
1 long ton (UK) = 20 cwt = 2240 lbs	1.016 metric tons = 1016 kg
1 short ton (UK) = 2000 lbs	0.907 metric tons = 907 kg
1 slug*	14.59 kg

Unit	Conversion
1 kp/cm² = 1 at = 0.9678 atm	98.07 x 10³ Pa = 0.9807 bar
1 at = 735.5 mm Hg* = 10 m H₂O** (T = 277 K)	750 mm Hg* = 10⁵ Pa = 1 bar
1 mm Hg* (T = 273 K)	133.3 Pa = 1.333 mbar
1 mm H₂O** (T = 277 K)	10⁻⁴ at = 9.807 Pa = 98.07 x 10⁻³ mbar
1 in Hg* (T = 273 K)	3386 Pa = 33.86 mbar
1 in H₂O** (T = 277 K)	249.1 Pa = 2.491 mbar
1 atm (standard atmosphere)	760 mm Hg, 1.013 x 10⁵ Pa = 1013 mbar
1 atm = 1.033 at	1 lbf/sq.in (psi) = 6895 Pa = 68.95 mbar

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