1
vote
2answers
77 views

Energy expenditure (calories burned) equation for running

There are numerous online calorie calculators for running (e.g. from runners world). What is the underlying formula for calculating energy expenditure while running? This post has an excellent ...
1
vote
2answers
148 views

40/40/20 Ratio and 1.5g of protein per pound still a good rule of thumb?

Back in the day, the bodybuilder's diet (for growth) was the infamous 40/40/20. That is, 40% of calories from Protein, 40% of calories from Carbs, and 20% of calories from Fat. If we look at the ...
5
votes
3answers
1k views

What activity level should I choose in calorie calculators?

My goal is to gain weight, primarily for muscle bodybuilding (not professional). In various online calorie calculators I need to choose my activity level. I'm always stuck on which one to choose. For ...
2
votes
2answers
163 views

How do different modes of transportation compare from a caloric burn perspective?

Assuming that I'm travelling the same route between two points how do walking, running and biking compare with one another? My instinct is that calories per mile (metre, kilometre, or what have you) ...
5
votes
1answer
277 views

Why doesn't it add up when calculating the macronutrient calories for a food? [closed]

I'm wondering why this isn't adding up: 10 oz. of Chicken Breast 300 calories Carb: 0g Protein: 60g Fat: 3.8g When calculating the calories that come from each macro in the food: Carbs: 0 * ...