How many calories you burned by running in 30 mins?

This will vary based on a wide variety of factors such as your weight, your current physical condition, the intensity of the run in relation to energy expenditure, how far you run as well as how fast...

There are many variables. It depends on your body weight, your degree of fitness (how hard you need to work to carry your weight) your pace, whether you are walking on an incline or flat ground, and...

it depends on how much you weigh but usually about 1500

General running 8.6 cal/min. You can go up to 12 cal for 7 mph, 15 cal 8 mph etc. This depends on your weight, speed, and incline. Example: If you are 125 pounds and you run 6 mph at a low incline...

Perhaps 50 for an average person. It depends on your weight , where you are running, how much effort is required as well as how fast you run.