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units calculator

Post in 'DIY and General non-hearth advice' started by ewdudley, Sep 20, 2013.

  1. ewdudley

    ewdudley Minister of Fire

    Joined:
    Nov 17, 2009
    Messages:
    1,788
    Loc:
    Cayuga County NY
    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.)

    Code:
    
    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
    
    
    
    Last edited: Sep 20, 2013

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