TDEE for a 120 lb Very Active woman | (Spring 2026)
[Protocol 3.4.1] How many calories should a 120 lb very active woman eat per day? Estimated TDEE: ~2131 kcal. See your custom macro targets for weight loss or muscle gain. Master your fitness with our tdee 120lb active female analytics.
Basic Info
Body Measurements (Optional, for Body Fat & WHR)
🔥 Energy Expenditure
⚖️ Weight Analysis
📏 Body Composition
to unlock Body Fat
Specialized Versions
Scientific Methodology & Accuracy
Our tools are built using peer-reviewed research and industry-standard formulas. This specific calculator utilizes BMR CALCULATOR metrics validated by sports science organizations like the ACSM and NSCA.
The concept of 'Critical Power' serves as a more stable anchor for training than the traditional FTP.
Performance Concept
"Modern sports science enables us to quantify effort in ways that were previously impossible."
Expert Protocol
"Dynamic warm-ups are far superior to static stretching for explosive power and injury prevention. Ignoring the signs of persistent central nervous system fatigue leads to stalled progress."
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How to Use This Tool
- 1
Enter your current body weight, height, age, and sex into the TDEE for a 120 lb Very Active woman.
- 2
Select the activity level that best matches your weekly exercise volume (err conservative if unsure).
- 3
Use the TDEE output as your maintenance calories. Set a 15–20% deficit for fat loss, or 5–10% surplus for muscle gain.
- 4
Recalculate every 4–6 weeks as body weight changes alter your BMR and TDEE.
Key Terminology
Frequently Asked Questions
Q1 What percentage of 1RM should I use for hypertrophy?
Q2 How do I find my maximum heart rate accurately?
Q3 Is BMI an accurate measure of health?
Q4 How often should I recalculate my TDEE?
TDEE for a 120 lb Very Active woman
Based on standard Mifflin-St Jeor estimates (height ~165cm, age ~35):
| Goal | Daily Calories |
|---|---|
| Fat Loss (Cut) | ~1705 kcal (−20%) |
| Maintenance | ~2131 kcal |
| Muscle Gain (Bulk) | ~2344 kcal (+10%) |
Why Activity Level Matters So Much
Key Performance Benchmarks
Scientific Verification
Use Cases / Example Scenarios
Calculate your personalized Karvonen zones and validate them against a 20-minute field test before starting a new training block.
Re-test your 1RM or TDEE every 6–8 weeks. Track relative strength (1RM ÷ bodyweight) to account for body composition changes.
Use BMI alongside waist circumference and body fat % for a complete cardiovascular risk picture that BMI alone cannot provide.
If weight loss has stalled, recalculate your BMR with current body weight and activity level — metabolic adaptation reduces TDEE by 5–10% over time.
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