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Fitness & Health Calculators
Smart fitness tools · Real‑time results
📏
BMI
—
Body Mass Index
Enter your metrics
🔥
BMR
—
kcal / day
Basal Metabolic Rate
⚡
TDEE
—
kcal / day
Total Daily Energy Expenditure
🏋️
1RM
—
kg
One Rep Max estimate
👋 Welcome! Use the tabs above to calculate your BMI, BMR, TDEE, 1RM, and macronutrients. All results update in real‑time.
📏 BMI Calculator
⚡ Results update automatically
Your BMI
——
Enter your weight and height
Underweight
Normal
Overweight
Obese
Category
—
Weight Status
—
Gender
—
BMI is independent of gender
🔥 BMR & TDEE
Your Energy Profile
BMR
—
kcal / day
Basal Metabolic Rate
TDEE
—
kcal / day
Total Daily Energy Expenditure
Activity Factor
—
Gender
—
Age
—
Maintenance
—
💡 Tip: Your TDEE is the number of calories you need to maintain your current weight.
Adjust your intake based on your goals (cutting: −300–500 kcal, bulking: +300–500 kcal).
🏋️ One Rep Max
⚡ Using the Epley formula: 1RM = weight × (1 + reps/30)
Estimated 1RM
—
kg
Reps
—
Weight
—
Formula
Epley
Intensity
—
Estimated max for rep ranges
3 reps
—
5 reps
—
10 reps
—
🍽️ Macro Calculator
kcal
Use your TDEE from the BMR tab, or enter manually.
Your Macronutrient Breakdown
Protein
—
g
— kcal
Carbs
—
g
— kcal
Fat
—
g
— kcal
Protein
—%
Carbs
—%
Fat
—%
Total Calories
—
Goal Adjustment
—
⚡ Based on your goal, calories are adjusted for optimal results.
💪 Fitness & Health Calculators · Built with ❤️ for fitness enthusiasts
· All calculations are estimates · 📊 v2.0