
N to Nm conversion formula  
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Posted by: eMOJO ^{®} 02/12/2010, 09:19:25 Author Profile eMail author Edit 
I'm needing some help with converting N to Nm Is there a formula for this conversion and what information will be required. I realise these are two different forms of measurement but surely it can be done with the correct information supplied. Sorry if I sound like a noob... but I am 
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: N to Nm conversion formula  
: N to Nm conversion formula  eMOJO  Post Reply  Top of thread  Engineering Forum 
Posted by: jboggs ^{®} 02/12/2010, 12:37:11 Author Profile eMail author Edit 
If you are talking about Newtons and Newtonmeters, its not just a matter of "two different systems", like inches and feet, two different measurements of length. They measure two different things. Its like asking for a conversion between grams and liters  two different things. Newtons are units of linear force. Newtonmeters measure torque, better understood as "rotary force". Check reference sources for more information. 
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: : N to Nm conversion formula  
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Posted by: eMOJO ^{®} 02/13/2010, 05:40:39 Author Profile eMail author Edit 
Yep, realise that that's why I asked what additional information would be required... any help would be much appreciated. Cheers 
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Posted by: Kelly Bramble ^{®} 02/13/2010, 10:16:29 Author Profile eMail author Edit 
OK, this is basics  Think of Nm like lbsft  this is how torque is measured. For example  a one ft long torque wrench and you apply 10 lbs of force to it. This will apply 10lbsft or torque to the fastener or whatever. N or Newtons is another unit of force in imperial units one would use pounds or lbs. If you stand on a weight scale and you weight 160 lbs this would convert to N by multiplying 160 pound by 4.4482216 to get Newtons. In summary  there is not an equation to simply convert N to Nm. These are not compatable units as you need a distance component. 
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Posted by: eMOJO ^{®} 02/14/2010, 22:41:37 Author Profile eMail author Edit 
Yep, I understand all that... I guess what I'm looking for, and maybe my thread title isn't asking the right question, but I have a measurement in Newtons and I'm assuming this measurement in force is required in a formula, with additional information, to calculate Newton Meters for torque. I know it won't be a straight conversion... so my question should actually read 'what is the formula for calculating Nm' 
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Posted by: jboggs ^{®} 02/15/2010, 07:49:54 Author Profile eMail author Edit 
Force * Distance = Torque The "additional information" you are looking for is the perpendicular distance from the center of rotation to the centerline of that force. 
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Posted by: kunk ^{®} 02/23/2010, 03:05:49 Author Profile eMail author Edit 
the answer is stated right there in your question. the force is newtons and the distance is meters...kunk 
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