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#1
01-18-2007, 12:45 AM
 Tubber Guest Posts: n/a
convert lb/ft3 to kN/m3

If I had 150lb/ft3 how would I convert to kN/m3? I found an online conversion value of 0.1571 but I don't know where that value comes from. Thanks guys and I love this web site!
#2
01-18-2007, 10:03 AM
 Robert Fogt Administrator Join Date: Dec 2005 Location: Seattle, WA Posts: 3,339 Rep Power: 12
Re: convert lb/ft3 to kN/m3

The conversion factor would be:

(pounds to kilonewtons) / (cubic feet to cubic meters)

1 pound-force = 0.004 448 221 6 kilonewton
1 cubic foot = 0.028 316 846 711 688 3 cubic meter

0.0044482216 / 0.0283168467116883 = 0.1571

150 lb/ft3 * 0.1571 = 23.565 kN/m3
#3
01-18-2007, 08:15 PM
 Tubber Guest Posts: n/a
Re: convert lb/ft3 to kN/m3

Thanks Robert. I wasn't dividing my pounds in N by 1000 k. I was multiplying it. Thank you very much for setting that up for me.
#4
08-31-2009, 04:32 PM
 Unregistered Guest Posts: n/a
Re: convert lb/ft3 to kN/m3

the factor is .1570969382
#5
08-25-2010, 11:22 AM
 Unregistered Guest Posts: n/a
Re: Convertir la densidad de un material, 13.6 g/cm3, en lb/ft3.

Convertir la densidad de un material, 13.6 g/cm3, en lb/ft3.
#6
08-25-2010, 11:40 AM
 JohnS Double Ultimate Supreme Member Join Date: Dec 2007 Location: SE Michigan, USA Posts: 8,701 Rep Power: 17
Re: Convertir la densidad de un material, 13.6 g/cm3, en lb/ft3.

Quote:
 Originally Posted by Unregistered Convertir la densidad de un material, 13.6 g/cm3, en lb/ft3.
13.6 g/cm³ x 1 lbm/453.59237 g x (30.48 cm/1 ft)³ = 849 lbm/ft³

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