units calculator

[ewdudley]

Calculator plus units conversion.

http://gnuwin32.sourceforge.net/packages/units.htm

http://www.gnu.org/software/units/units.html

(If no operator, multiplication is assumed.)

You have: 3 ft water
You want: psi
	* 1.3005825
	/ 0.76888624

You have: 30000 btu / hour
You want: kW
	* 8.7921321
	/ 0.11373805

You have: 3000 psi 15 gpm
You want: horsepower
	* 26.25
	/ 0.038095238

You have: (15 cent / kWh) 40 watt
You want: dollar / day
	* 0.144
	/ 6.9444444

You have: (3 12) + 2
You want: 1
	* 38
	/ 0.026315789

You have: (8.333333 lb / gal) (1 btu / (lb degF)) 4 gpm 20 degF
You want: btu / hour
	* 39999.998
	/ 2.5000001e-05

You have: (111 ft2 * 120 degF) /  6 Rvalue
You want: btu / hour
	* 2220
	/ 0.00045045045

You have: (111 ft2 * 120 degF) / 24 Rvalue
You want: joule  / sec
	* 162.65444
	/ 0.0061480029

You have: (111 ft2 * 120 degF) / 24 Rvalue
You want: btu / hour
	* 555
	/ 0.0018018018

You have: (((1.50/2.0)^2 * pi) in^2) * (4 ft / sec)
You want: gpm
	* 22.031948
	/ 0.045388632

You have: 15 gpm / (((1.50/2.0)^2 * pi) in^2)
You want: feet / second
	* 2.7233179
	/ 0.36719914

You have: (120000 btu/hour)/((20 degF)*(500 ((min btu)/(gal hr degF))))
You want: gpm
	* 12
	/ 0.083333333

You have: ((10.9 gpm) / ((4 feet / second) pi))^0.5
You want: in
	* 0.52753109
	/ 1.8956229

You have: gallon
You want: in^3
	* 231
	/ 0.0043290043