Protein Daily Needs
BMR: 1,620 kcal, TDEE: 2,511 kcal, Lose: 2,011 kcal, Gain: 3,011 kcal
Protein Calculator
Calculate recommended daily protein intake based on weight and activity level.
What is this calculator for?
The Protein Calculator helps you plan and track your nutrition and weight goals with personalized recommendations based on your body metrics and activity level.
The Protein Calculator helps you plan and track your nutrition and weight goals with personalized recommendations based on your body metrics and activity level.
Who uses it and where?
Personal trainers designing customized workout programs, coaches developing training plans for teams and individuals, and weight management clients monitoring their transformation journey use the Protein Calculator to set realistic health targets and understand their body metrics. It is an essential tool for anyone working in fitness tracking and health optimization who needs reliable protein results without manual calculation errors.
Personal trainers designing customized workout programs, coaches developing training plans for teams and individuals, and weight management clients monitoring their transformation journey use the Protein Calculator to set realistic health targets and understand their body metrics. It is an essential tool for anyone working in fitness tracking and health optimization who needs reliable protein results without manual calculation errors.
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Results
Basal Metabolic Rate
Total Daily Energy
Lose Weight (-500)
Gain Weight (+500)
Formula
Male: BMR = 10*W + 6.25*H - 5*Age + 5
Female: BMR = 10*W + 6.25*H - 5*Age - 161
Worked Examples
About This Calculator
The Protein Calculator calculates your Basal Metabolic Rate and Total Daily Energy Expenditure for protein planning. BMR represents the calories your body burns at complete rest to maintain basic life functions. Understanding your BMR and TDEE is essential for effective weight management, meal planning, and fitness goal setting, whether you want to lose fat, build muscle, or maintain your current physique.
Select your gender, enter your age, weight, height, and typical activity level into the Protein Calculator. The calculator uses the Mifflin-St Jeor equation to compute your BMR, then multiplies by the appropriate activity factor to determine your TDEE. It also shows estimated calorie levels for weight loss and weight gain, giving you a complete protein plan.
The Protein Calculator eliminates the guesswork from calorie planning by providing scientifically calculated estimates based on your unique characteristics. Whether your goal is weight loss, muscle gain, or weight maintenance, knowing your BMR and TDEE gives you a solid foundation for protein nutrition planning. The calculator accounts for your age, gender, body size, and activity level for personalized results.
Frequently Asked Questions
What is BMR and how is it different from TDEE for protein?
BMR, or Basal Metabolic Rate, is the number of calories your body burns at complete rest to maintain basic life functions like breathing, heartbeat, and cell production. TDEE, or Total Daily Energy Expenditure, is BMR multiplied by an activity factor representing the total calories burned in a typical day. TDEE is the number most relevant for protein weight management.
Which activity level should I select for protein calculations?
Choose the option that best describes your typical weekly activity. Sedentary means desk job with little exercise. Light activity includes 1-3 light workouts per week. Moderate means regular exercise 3-5 times per week. Active describes intense exercise 6-7 times per week. Very active is for athletes or physically demanding jobs plus training. The Protein Calculator uses your selection for accurate protein results.
Why are the formulas different for males and females in protein?
Biological differences in body composition, hormone levels, and muscle-to-fat ratios mean that males and females burn different calories at rest. Males typically have more lean muscle mass, resulting in a slightly higher BMR. The Mifflin-St Jeor equation accounts for these differences with gender-specific constants for accurate protein calculations.
How many calories should I eat for protein weight management?
To lose approximately one pound per week, consume about 500 fewer calories than your TDEE daily. The Protein Calculator provides the TDEE minus 500 calories as a starting point. Avoid going below your BMR without medical supervision, as this can slow metabolism and cause nutritional deficiencies in your protein plan.
How often should I recalculate my BMR for protein?
Recalculate whenever your weight changes significantly more than 5 pounds, your activity level changes, or you age another year. BMR naturally decreases with age as muscle mass declines and changes with body weight. Most people benefit from recalculating every 3 to 6 months for accurate protein planning.
Is BMR the same as metabolism for protein?
BMR is a major component of your metabolism, specifically the calories burned at rest. Your total metabolism also includes calories burned through physical activity, the thermic effect of food used to digest meals, and non-exercise activity thermogenesis like fidgeting and standing. BMR typically represents 60 to 75 percent of total metabolic expenditure for protein calculations.