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TDEE Formula:
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Total Daily Energy Expenditure (TDEE) represents the total number of calories you burn in a day, including basal metabolic rate (BMR) and calories burned through physical activity. This calculator is specifically designed for UK females following NHS guidelines.
The calculator uses the TDEE formula:
Where:
Explanation: The equation accounts for your baseline metabolic rate multiplied by your daily activity level to estimate total daily calorie expenditure.
Details: Knowing your TDEE is essential for weight management, whether your goal is weight loss, maintenance, or gain. It helps create appropriate calorie targets based on your individual energy needs.
Tips: Enter your BMR in kcal/day (you may need to calculate this separately using a BMR calculator), select your activity level based on the NHS guidelines. All values must be valid (BMR > 0).
Q1: How accurate is this TDEE calculator?
A: This calculator provides a good estimate based on standard NHS guidelines, but individual variations may occur due to factors like genetics, body composition, and specific health conditions.
Q2: How often should I recalculate my TDEE?
A: You should recalculate your TDEE whenever your weight changes significantly (more than 4-5 kg) or your activity level changes substantially.
Q3: What if I'm pregnant or breastfeeding?
A: These calculations may not be accurate during pregnancy or breastfeeding. Consult with your healthcare provider for personalized nutritional advice.
Q4: Why are there different activity multipliers?
A: Different activity levels significantly impact your daily calorie expenditure. The multipliers account for these variations based on NHS classifications.
Q5: Should I eat exactly at my TDEE for weight maintenance?
A: TDEE provides an estimate. You may need to adjust your intake slightly based on how your body responds over time.