Weight Loss Formula:
From: | To: |
The weight loss formula calculates your daily calorie needs for sustainable weight loss by creating a 500-calorie deficit from your maintenance calories. This approach typically results in losing about 1 pound (0.45 kg) per week.
The calculator uses the weight loss equation:
Where:
Explanation: The equation calculates your maintenance calories (BMR × Activity) then subtracts 500 calories to create a deficit for weight loss.
Details: Creating a consistent calorie deficit is the fundamental principle behind weight loss. A 500-calorie daily deficit is considered sustainable and healthy, leading to gradual weight loss without extreme deprivation.
Tips: Enter your BMR (calculated from a separate BMR calculator) and select your activity level. For accurate results, use a recent BMR calculation that considers your age, gender, height, and weight.
Q1: Why a 500-calorie deficit?
A: A 500-calorie daily deficit creates a 3500-calorie weekly deficit, which equals approximately 1 pound of fat loss per week, considered a safe and sustainable rate.
Q2: Should I eat fewer than these calculated calories?
A: It's not recommended to create a larger deficit as it may lead to muscle loss, nutrient deficiencies, and metabolic adaptation that makes long-term weight maintenance difficult.
Q3: What if I'm not losing weight with this calorie target?
A: You may need to recalculate your BMR, be more accurate with food tracking, or consider consulting a healthcare professional as metabolic rates can vary.
Q4: Can I adjust the deficit based on my goals?
A: Yes, some people may prefer a smaller deficit (250 calories) for slower weight loss or a larger one (up to 1000 calories) under medical supervision for faster results.
Q5: Should I change my calorie target as I lose weight?
A: Yes, as you lose weight, your BMR decreases, so you should recalculate your calorie needs every 5-10 pounds of weight loss to maintain an appropriate deficit.