How do I round a float upwards to the nearest int in C#?

Off the top of my head:

float fl = 0.678;
int rounded_f = (int)(fl+0.5f);

(int)Math.Round(myNumber, 0)

The easiest is to just add 0.5f to it and then cast this to an int.

If you want to round to the nearest int:

int rounded = (int)Math.Round(precise, 0);

You can also use:

int rounded = Convert.ToInt32(precise);

Which will use Math.Round(x, 0); to round and cast for you. It looks neater but is slightly less clear IMO.

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If you want to round up:

int roundedUp = (int)Math.Ceiling(precise);