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A week is a healthful weight loss goal.
How many calories do i need to lose 20 pounds. To lose 20 pounds in 30 days youd need to lose about 5 pounds per week. The average woman needs to eat about 2000 calories per day to maintain her weight and 1500 calories per day to lose one pound of weight per week. You can achieve this by reducing your daily intake by 500 to 1000 calories. The less you weigh the fewer calories you will need to take in for weight loss to continue.
Meanwhile the average man needs 2500 calories. Overweight people who usually eat 4000 calories per day can lose weight quicker than lighter people they can reduce their intake by 2400 calories per day and still eat enough to sustain themselves. If you can save 500 calories per day you will lose 20 pounds in 20 weeks. Set short term goals and keep food and weight diaries to help you track your progress.
How to lose 20 pounds. Youll need to burn 140000 calories to lose 40 lb. Formula for 2500 per day calorie deficit. This is reflected in the calculator with the corresponding calories intake on a weekly basis.
Youll need to burn an extra 70000 calories to lose 20 pounds. In fact performing cardio to burn either 400 calories or 600 calories five times per week for 10 months resulted in an average weight loss of 86 pounds 39 kg and 115 pounds 52 kg. Learn more about different kinds of calories and their effects and explore many other free calculators addressing the topics of finance math health and fitness among others. Of fat each week you must cut 500 calories each day through diet or exercise.
To lose 1 lb. Depending on your starting weight it may take you 20 weeks or more to lose the weight. If you want to lose 20 pounds you need to create a calorie deficit of 70000 calories 20 pounds x 3500 calories per pound. One pound of weight is equivalent to 3500 calories.
According to the centers for disease control and prevention losing 1 to 2 lb 1. A pound of fat equals 3500 calories so to lose at this rate you need to use diet and exercise to create a deficit equal to 17500 calories per week or 2500 calories per day. To lose 20 pounds in 1 month you need to eat 2400 calories fewer per day. Assuming you are female 5 5 170lbs at the start of august and would like to be 150lbs by christmas you would specify that you want to lose 20lbs in 5 months.
This calorie calculator estimates the number of calories needed each day to maintain lose or gain weight.