Easier rounding of calories; add calories as a serving measure

I don't like seeing non-rounded calories (especially in recipes) and try to round manually, but it's hard to do: e.g. the recipe shows something as 100 calories, but when added to diary, it shows as 100.24. I wish this was easier to do, e.g. when adding a food, it would be useful if besides grams, each, etc. in serving sizes, this also had calories as a serving measure.

This would also be useful when creating recipes.