Quote:
Originally Posted by HenrikOlsen
With units
((1/(0.3937 in/cm))*((36*1760)in/mile))/160934.4cm = 1.000002... mile -1
1.000002 is definitely a possible answer I will include from now on in any multiple choice exam I get to write where the question is how many miles is 1.609344 km 
0.999998 will be another.
The last three will be 1, 3.14159 and rhubarb. |
I think I have found the discrepancy, in this wiki article:
United States customary units. It says we're talking about the inch international measure, whereas the U. S. Survey inch is defined so that 39.37 inches is exactly 1 meter. That's obviously what the conversion website is using, right?