The TDEE Blog

Read when the numbers stop making sense.

Most people know their calories. Few understand why they're not moving. These articles close that gap by covering metabolism, nutrition, and training without the noise.

TDEE During Pregnancy: How Many Extra Calories Women Need by Trimester?
TDEE for Women

TDEE During Pregnancy: How Many Extra Calories Women Need by Trimester?

Find out how pregnancy changes your TDEE by trimester. Covers IOM calorie additions, BMI-based weight gain targets, macronutrient needs, and how to calculate your daily calorie target for each stage of pregnancy.

June 3, 2026
How Women Menstrual Cycle Affects Their TDEE? Calorie Fluctuation Across Phases
TDEE for Women

How Women Menstrual Cycle Affects Their TDEE? Calorie Fluctuation Across Phases

Learn how each phase of the menstrual cycle changes a woman's TDEE. Covers resting metabolic rate shifts, progesterone thermogenesis, calorie needs by phase, food cravings, and weight fluctuation explained with research.

June 3, 2026
How Many Calories Should a Woman Eat Per Day? By Age, Goal, and Activity Level
TDEE for Women

How Many Calories Should a Woman Eat Per Day? By Age, Goal, and Activity Level

Find out how many calories a woman needs per day by age, activity level, and goal. Covers USDA guidelines, TDEE ranges, calorie targets for fat loss and muscle gain, and life-stage adjustments.

June 2, 2026
TDEE for Women: How Female Physiology Changes Daily Calorie Needs?
TDEE for Women

TDEE for Women: How Female Physiology Changes Daily Calorie Needs?

Learn how female physiology shapes daily calorie needs. Covers TDEE for women by age, hormones, menstrual cycle, pregnancy, breastfeeding, menopause, and PCOS with calorie ranges and formula breakdowns.

June 1, 2026
Extra Active Multiplier (1.9) | TDEE for Physical Jobs and Daily Hard Training
TDEE Formulas

Extra Active Multiplier (1.9) | TDEE for Physical Jobs and Daily Hard Training

The extra active multiplier is 1.9. Learn who qualifies, how it's used in TDEE calculations, and how it differs from the very active level.

May 30, 2026
Very Active Multiplier (1.725) | TDEE for Hard Training 6–7 Days a Week
TDEE Formulas

Very Active Multiplier (1.725) | TDEE for Hard Training 6–7 Days a Week

The very active multiplier is 1.725. Learn who qualifies, how it's applied in TDEE calculations, and how it differs from moderately active and extra active levels.

May 30, 2026
Moderately Active Multiplier (1.55) | TDEE for Regular Exercise 3–5 Days a Week
TDEE Formulas

Moderately Active Multiplier (1.55) | TDEE for Regular Exercise 3–5 Days a Week

The moderately active multiplier is 1.55. Find out who qualifies, how it's applied in TDEE calculations, and how it compares to lightly active and very active levels.

May 30, 2026
Lightly Active Multiplier (1.375) | TDEE for Light Exercise and Low-Activity Lifestyles
TDEE Formulas

Lightly Active Multiplier (1.375) | TDEE for Light Exercise and Low-Activity Lifestyles

The lightly active multiplier is 1.375. Learn who it applies to, how it differs from sedentary, and how it changes your daily calorie needs in any TDEE formula.

May 29, 2026
Sedentary Activity Multiplier | What 1.2 Means for Your TDEE?
TDEE Formulas

Sedentary Activity Multiplier | What 1.2 Means for Your TDEE?

The sedentary activity multiplier is 1.2. Learn how it works in TDEE formulas, who qualifies as sedentary, and how it changes your daily calorie target.

May 29, 2026
TDEE Activity Multipliers | What Each Level Means and How to Choose Correctly?
TDEE Formulas

TDEE Activity Multipliers | What Each Level Means and How to Choose Correctly?

TDEE activity multipliers convert BMR into total daily calorie burn. Learn what sedentary, lightly active, moderately active, very active, and extra active actually mean, with step counts, job types, and calorie error tables.

May 28, 2026
Katch-McArdle Equation | Formula, Lean Body Mass Calculation, and TDEE Application
TDEE Formulas

Katch-McArdle Equation | Formula, Lean Body Mass Calculation, and TDEE Application

The Katch-McArdle equation calculates BMR from lean body mass, not total weight. Learn the formula, how to find lean body mass, worked examples by body fat percentage, and when it outperforms Mifflin-St Jeor.

May 28, 2026
Harris-Benedict Equation | Original Formula, 1984 Revision, and How It Calculates TDEE
TDEE Formulas

Harris-Benedict Equation | Original Formula, 1984 Revision, and How It Calculates TDEE

The Harris-Benedict equation estimates BMR using weight, height, age, and sex. Learn both the original and revised formulas, worked examples, TDEE outputs at all activity levels, and how it compares to Mifflin-St Jeor.

May 28, 2026