Are calories the same as kcal? I am not sure.
kcalories is what you see on the labels and what you burn (called Calories, with a capital "C"). kcals is equivalent to 1,000 calories (calories with a small c). So when it comes to dieting, kcals (Calories) are what you really deal with. usually though people refer to kcals as calories with a lower case c including me, but as long as you're talking about food and the Calories burned, most likely the person is refering to kcals.
calories is used more scientifically or to measure energy or something.
you may want to make sure with someone else though.
That's pretty much the correct answer. 1 kcal = 1 Calorie = 1000 calories. Common usage in the US is that a calorie is the same as a kcal (as far as nutrition labels are concerned anyway). Other countries (esp. European ones) tend to use kcal instead....it's a more accurate term anyway.
That is true. I can see how you are confused. Hopefully the Calorie will be updated on Nutrition Fact Labels to kcal one day. Also here is a helpful article with the full description of the Calorie just Google "Simple Live Healthy Living Healthy for Beginners What are Calories." Hope this helps!