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#1
12-17-2007, 06:00 AM
 Unregistered Guest Posts: n/a
Convert minutes to kilometers

I want to find the resolution of a model in km. The resolution of the model is 4 minutes how do I convert this to kilometers
#2
12-17-2007, 09:24 AM
 Unregistered Guest Posts: n/a
Re: Convert minutes to kilometers

Quote:
 Originally Posted by Unregistered I want to find the resolution of a model in km. The resolution of the model is 4 minutes how do I convert this to kilometers
In a simple "round earth" model 1' of latuitude = 1 nautical mile = 1.852 km. In an ellipsoidal model, this varies slightly from equator to pole, but is a complex function of latitude (a series expansion is usually used).

For longitude, again in the round model, 1' Longitude = 1.852 km * cos (Latitude), so equal at the equator, declining to zero at the poles.
#3
12-17-2007, 10:10 AM
 Leopold Plumtree Supreme Mumbler Join Date: Mar 2007 Location: WI Posts: 399 Rep Power: 7
Re: Convert minutes to kilometers

Are we talking minutes of geodetic arc (1.852 km to a minute, if we use the nautical mile), or are we modeling something else?
#4
10-15-2009, 06:03 AM
 Unregistered Guest Posts: n/a

Quote:
 Originally Posted by Unregistered I want to find the resolution of a model in km. The resolution of the model is 30 minutes how do I convert this to kilometers
QUOTE=Unregistered;43383]I want to find the resolution of a model in km. The resolution of the model is 30 minutes how do I convert this to kilometers[/QUOTE]
#5
10-15-2009, 08:53 AM
 JohnS Double Ultimate Supreme Member Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,218 Rep Power: 18

Quote:
 Originally Posted by Unregistered QUOTE=Unregistered;43383]I want to find the resolution of a model in km. The resolution of the model is 30 minutes how do I convert this to kilometers
[/QUOTE]

See post #2. Note the answer is different for latitude and longitude.
#6
04-29-2010, 02:16 PM
 Unregistered Guest Posts: n/a
Re: Convert minutes to kilometers

Quote:
 Originally Posted by Unregistered I want to find the resolution of a model in km. The resolution of the model is 4 minutes how do I convert this to kilometers
10 minuts is how many kilometers
#7
07-08-2010, 01:00 AM
 Unregistered Guest Posts: n/a
Re: Convert minutes to kilometers

10 minuts is how many kilometers?
#8
07-08-2010, 03:49 AM
 JohnS Double Ultimate Supreme Member Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,218 Rep Power: 18
Re: Convert minutes to kilometers

Quote:
 Originally Posted by Unregistered 10 minuts is how many kilometers?
Minutes of arc: See post #2
Minutes of time: 0 if you are sitting in a lawn chair, more if you are going fast.
#9
08-22-2011, 06:57 PM
 Unregistered Guest Posts: n/a
Re: Convert minutes to kilometers

I need help converting problem, a person drove 45 min and the distance travel was 15.2km. I need to convert to km/hr
#10
08-23-2011, 03:34 AM
 JohnS Double Ultimate Supreme Member Join Date: Dec 2007 Location: SE Michigan, USA Posts: 9,218 Rep Power: 18
Re: Convert minutes to kilometers

Quote:
 Originally Posted by Unregistered I need help converting problem, a person drove 45 min and the distance travel was 15.2km. I need to convert to km/hr
Since an hour is 60 minutes, 45 min = 0.75 h.
15.2 km/0.75 h = 20.3 km/h

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