The definition of injustice is something that is not fair or just. An example of injustice is when an innocent person is sent to jail for a crime he did not commit. the quality of being unjust or unfair; lack of justice. an unjust act; injury.
That means that you don't exercise on a regular basis. The calorie calculator may say that you need to eat 1,200 calories per day to lose weight. But you don't think that you can cut enough food from your diet to reach that number. That's okay.
Learn to Count Calories to Lose Weight. Experts estimate that if you consume approximately 3,500 excess calories you will gain one pound. So to lose one pound, you need to create a calorie deficit. You need to decrease your caloric intake by 3500 calories or burn an extra 3500 calories. You can also combine both methods to reach the correct calorie deficit.