How hard do you want to work?
Days needed to acheive weight loss:
Select the balance between diet and exercise:
The number of calories to take out of your diet each day:
Plus, the number of minutes you need to exercise each day:
This calculator assumes you're not currently gaining or losing weight, and that you're not doing any special exercise.
fewer oatmeal cookies
2 fewer glasses of beer or wine
2 fewer chicken legs and thighs
4.5 miles brisk walking
2.1 miles jogging or running
There is lots of advice out there on how to cut calories. We've found one of the clearest and widely agreed-to sources of information is from the Centers for Disease Control (CDC), the official health organization of the United States. Start with their article on Cutting Calories.
Starting an exercise program is simpler, but there are still some useful guidelines. Try the CDC's Physical Activity for a Healthy Weight.
While losing weight involves many variables that change from person to person, there is still a core science that can be the basis behind planning a weight loss strategy. The widely-accepted science behind the weight loss calculator is:
The math behind the body weight color coding, something called Body Mass Index (BMI), is applicable and useful for about 95% of the population. It is not useful for highly fit people (who won't be using this calculator anyway). It is also not useful for very tall people. Use the color coding as a guideline for evaluating your body weight. Don't use it as a medical diagnosis.
This is a reduction compared to your estimated nominal calorie consumption, meaning the amount of calories you consume while staying the same weight. If you are currently gaining weight, you need to reduce your calories even further.
Keeping track of how many calories you consume is not easy. WebMD has a good food calorie list.
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