speed or incline?

Okay, i'm a little confused. this may sound like stupid questions.... but i don't get it !

Okay, many websites are saying that a mile is 100 calories. so does this mean that at whatever speed, you are still burning the same number of calories per mile? now i realize that when you run you can do a mile in a faster amount of time, but if i jog at a 12 minute mile and can fast walk at a 15 min mile and im burning the same number of calories when im not pressed for time because im on break...... is there a caloric difference?

also, incline. how much does 1 percent incline increase your caloric level per mile?

thanks !
 
Heres one of the best pieces of advice anyone has ever given me about working out.

If you get hung up about how many calories you burn during a specific exercise, you'll never reach your goals.

Why is that you may ask? The calories you actually burn DURING an exercise session pales in comparison to what you burn throughout the entire day! Think about it this way. If you could burn a buttload of calories during an exercise session, then proper diet would be non existent. Why exercise at all then you may ask. Because regular cardio exercise (30 minutes or more at a moderate intensity level) boosts your metabolism for up to 3 hours after you're done. Heres the real kicker though. Moderately intense weight training can boost your metabolism up to 72 hours after your done! Thats why weight training is so important to fat loss. The other side of the coin is building muscle. For every lb of muscle you build, you burn 50 more calories a day doing nothing!
 
However, there is a huge difference between walking for 15 minutes and doing interval running for 15 minutes. The intensity at which you work will also have a factor in calories burned, etc
 
Yes there is a difference. HIIT burns more than regular cardio. The point in my post was to keep him/her from getting hung up on calories burned during a session and look at the big picture.
 
Thats so true aevans. For hours after my weight training my muscles feel contracted and still working even though i'm not really using them - apart from typing :)
 
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