Which Model Field to use in Django to store longitude and latitude values?

Question

I want to store my users location using longitude and latitude, at the moment this comes from Google Maps, but I will be using GeoDango and some point to work out distances betw

Answer 1

Float is generally an approximation, see here for some simple examples. You could get very nice results modifying your model to something like DecimalField(max_digits=9, decimal_places=6), since decimals are very important in coordinates but using more than 6 is basically meaningless.

edit: a cute and in-topic XKCD strip to celebrate my first 100 votes!