Concrete and cement are not interchangeable terms. Cement is the dry powdered substance that is mixed with sand, gravel and water to create concrete. The gravel component in concrete is sometimes referred to as crushed rock or aggregate. Mixing sand, gravel, water and cement in the right proportion is essential to producing durable, high-quality concrete.
Know the numbers. In order to lose one pound, you will need to burn 3,500 more calories than you consume in a day. How many calories you burn in a given day just by existing will depend on your current weight and level of physical activity. You can calculate this by multiplying your weight by ten.
This is the total number of calories you would need to maintain your current weight. Calculate Calories to Lose Weight. One pound of body fat is equivalent to 3,500 calories â which means a person must cut that many calories from her diet to lose a single pound. By eliminating 500 calories a day, she will lose one pound in a week. So, if your daily caloric need is 1917.9875 to maintain your weight, subtract 500 from that, and you'll have the number of calories you can consume each day and still lose a pound in one week. In this case: 1,417.9875 calories.