Free Calorie & TDEE Calculator for BMR, BMI & Body Fat | GymTranning
Calculate your daily calorie needs using the highly accurate Mifflin-St Jeor equation. Find your BMR, TDEE. Best calories for weight loss, normal levels, or muscle gain.
Calorie & TDEE Calculator
Calculate your personalized daily calorie needs based on your body metrics, activity level. Fitness goals. This comprehensive Daily Calorie Calculator helps you determine exactly how many calories to consume to keep. Lose, or gain weight effectively. Perfect for bodybuilders, athletes, and anyone optimizing their nutrition.
Calculate Your Daily Calorie Needs
Male
Female
Your Daily Calorie Target
2,000
calories/day
Goal Progress
StartCurrentGoal
Weight Goal
Maintain current weight
0
Calorie Adjustment
Daily calorie shift
0
Minimum Calories
Do not go below
1,500
How TDEE Is Estimated
Basal Metabolic Rate
1,650
calories/day
Total Daily Expenditure
2,300
calories/day
Your Target Calories
1,800
calories/day
Weekly Weight Change
-0.5
kg/week
Results Analysis: Your Basal Metabolic Rate (BMR) is the calories your body needs at rest. Total Daily Energy Expenditure (TDEE) includes your activity level. For weight loss, we create a calorie deficit of 500-1000 calories/day. For weight gain, add 500-1000 calories/day in a surplus.
Important:Never consume fewer than 1. 500 calories/day (men) or 1,200 calories/day (women) without medical supervision. Extreme calorie restriction can slow your metabolism and cause muscle loss.
Calorie Goals for Fat Loss, Maintenance, and Muscle Gain
Breakfast
400-500 cal
High protein, moderate carbs
Lunch
500-600 cal
Lean protein, complex carbs
Dinner
500-600 cal
Lean protein, vegetables
Snacks
200-300 cal
Fruits, nuts, yogurt
BMR Calculator
What Is BMR?
BMR is the number of calories your body needs at rest to keep basic functions running — like breathing, circulation, and cell production. Knowing your Basal Metabolic Rate is the essential first step for bodybuilders calculating their precise bulking or cutting calories.
Male
Female
How BMR Is Calculated
BMR
1,650
calories/day
TDEE
2,300
calories/day
Daily Activity
1.55x
multiplier
Daily Calories
2,300
calories/day
BMR (Basal Metabolic Rate) is the calories your body needs at rest. TDEE (Total Daily Energy Expenditure) is your total calories burned including activity. Use TDEE to determine your daily calorie needs.
Your Activity Level: You've selected "Moderately active" which means you exercise 3-5 times per week. This multiplier is applied to your BMR to calculate your TDEE.
Why BMR Matters for Fat Loss and Muscle Gain
Your BMR determines the minimum calories your body needs. Eating below BMR for extended periods can slow metabolism and cause muscle loss. For fat loss, aim for a deficit between BMR and TDEE. For muscle gain, eat above TDEE while meeting protein targets. Tracking BMR changes over time helps you adjust calories as your body adapts.
BMI Calculator
What Your BMI Means
BMI is a measure of body fat based on your height and weight. Use this BMI Calculator to assess where you fall on the weight spectrum — underweight, normal, overweight, or obese. A useful starting point for tracking your fitness journey.
BMI Categories Explained
BMI
--
kg/m²
Category
--
BMI Categories:Underweight = <18.5. Normal weight = 18.5–24.9, Overweight = 25–29.9, Obesity = 30 or greater. Note that BMI may not accurately reflect body composition for athletes with high muscle mass.
BMI Limitations for Active People
BMI does not distinguish between muscle and fat. Athletes and active individuals with high muscle mass may be classified as overweight or obese despite having low body fat. For a more accurate assessment, use the Body Fat Calculator or WHR Calculator alongside BMI.
Body Fat Calculator
Estimate Your Body Fat Percentage
Calculate your body fat percentage using the U.S. Navy circumference method. Bodybuilders use this measurement to track lean muscle gains and cut progress more accurately than weight alone. Assess your body composition and health risks.
Male
Female
Healthy Body Fat Ranges
Body Fat %
--
percentage
Category
--
Body Fat Categories:For men: Essential 2-5%. Athlete 6-13%, Fitness 14-17%, Average 18-24%, Obese 25%+. For women: Essential 10-13%, Athlete 14-20%, Fitness 21-24%, Average 25-31%, Obese 32%+.
How Body Fat Affects Fitness Goals
Lower body fat improves muscle definition and vascularity for competitions, while very low levels can impair hormone function and recovery. For bulking, a moderate body fat range (10-15% men, 20-25% women) is ideal. For cutting, aim to retain as much muscle as possible while reducing fat.
Ideal Weight Calculator
Find Your Ideal Weight Range
Find your ideal body weight range using the widely accepted Devine formula. This calculation gives you a healthy target weight based on your height and gender — useful for setting long-term fitness goals.
Male
Female
Different Methods Used for Ideal Weight
Ideal Weight
--
kilograms
Healthy Range
--
kilograms
Note:Ideal weight is an estimation based on height and gender. A healthy weight range is typically ±10% of the ideal weight. Individual factors like muscle mass. Body composition can affect what weight is ideal for you.
How to Use Ideal Weight Safely
Ideal weight is a guideline, not a strict target. Factors like muscle mass, bone density, and frame size affect what is healthy for you. Use this number alongside body fat percentage and LBM measurements for a complete picture of your health.
Macro Calculator
Protein, Carbs, and Fat Targets
Calculate your optimal macronutrient split — proteins, carbohydrates, and fats — based on your daily calorie target and fitness goal. Getting your macros right is crucial for maximizing muscle growth, fat loss, and workout performance.
Macros for Fat Loss
Protein
-- g
4 calories per gram. Essential for muscle building and repair.
Carbohydrates
-- g
4 calories per gram. Primary energy source for your body.
Fats
-- g
9 calories per gram. Important for hormone production and nutrient absorption.
Recommendations:Adjust your macro ratios based on your fitness goals. Athletes may need more protein for muscle recovery. While endurance athletes benefit from higher carb intake. Consult a nutritionist for personalized advice.
Macros for Muscle Gain
For muscle gain, prioritize protein at 1.6-2.2g per kg of body weight, carbohydrates at 4-6g per kg for energy, and fats at 0.8-1g per kg for hormone health. Adjust ratios based on how your body responds — some individuals perform better on higher carbs, others on higher fats.
Water Intake Calculator
Daily Hydration Needs
Determine your daily hydration needs based on your weight and activity level. Proper water intake improves workout performance, speeds recovery, and supports overall health. Stay hydrated to train at your best.
How Activity Changes Water Requirements
Daily Water
--
liters/day
Bottles (500ml)
--
Note:The standard tip is 30-35ml per kg of body weight. Adjust based on activity level, climate, and person needs. Keep in mind about 20% of your water intake comes from food.
Signs You May Need More Water
Common signs of dehydration include dark urine, fatigue, headache, dizziness, dry mouth, and reduced workout performance. If you experience these, increase your water intake gradually. Thirst is often a late signal — drink consistently throughout the day rather than waiting until you feel thirsty.
WHR Calculator
What Waist-to-Hip Ratio Means
Waist-to-Hip Ratio (WHR) compares the size of your waist to your hips and is a key indicator of fat distribution and health risk. Bodybuilders use WHR to track changes in body composition and abdominal fat over time.
WHR and Health Risk
WHR Ratio
--
Health Risk
--
Health Guidelines: For men: Low risk (<0.95), Moderate risk (0.96-1.0), High risk (>1.0). For women: Low risk (<0.80), Moderate risk (0.81-0.85), High risk (>0.85). Higher ratios indicate increased health risks.
How to Measure WHR Correctly
Measure your waist at the narrowest point (usually just above the navel) while standing and breathing normally. Measure your hips at the widest point around the buttocks. Divide waist by hip measurement for your WHR. Take measurements at the same time of day for consistency.
LBM Calculator
What Lean Body Mass Means
Lean Body Mass (LBM) is your total body weight minus fat mass — including muscles, bones, organs, and water. Knowing your LBM helps you set accurate protein intake targets and track true muscle gain during your training.
Male
Female
How LBM Is Calculated
Lean Body Mass
--
kilograms
Body Fat Mass
--
kilograms
Lean Body Mass represents everything in your body except fat. Higher LBM generally indicates better metabolic health and physical fitness. Maintaining or increasing LBM is important for long-term health and weight management.
Why LBM Helps Track Progress
Tracking LBM over time tells you whether you are gaining muscle or losing fat more accurately than scale weight alone. During a cut, stable or increasing LBM means you are preserving muscle while losing fat. During a bulk, rising LBM and controlled fat gain indicates quality mass building.
How to Use These Fitness Calculators
Whether your goal is fat loss, muscle gain, or maintenance, these calculators work together to give you a complete picture of your health. Here is how to use each tool effectively and in what order to get the best results.
Step-by-Step Instructions
Start with the Calorie & TDEE Calculator to find your daily energy needs. Next, use the BMR Calculator to understand your resting metabolism, then the BMI and Body Fat Calculators to assess your composition. Follow with the Macro Calculator to split your calories into protein, carbs, and fats. Finally, use the Water, WHR, and LBM calculators to fine-tune your hydration and track progress.
Which Calculator to Use First
Begin with the Calorie & TDEE Calculator — it is your foundation. Knowing your TDEE lets every other calculator provide accurate, personalized data. For fat loss, prioritize the Body Fat and Macro Calculators. For muscle gain, use LBM and Macro Calculators to ensure you are eating enough protein and calories for growth.
Best Use Cases for Each Tool
Use the Calorie Calculator daily or weekly to stay on track with your goals. BMR is calculated less frequently as it only changes with significant weight shifts. BMI is a quick screening tool. Body fat and LBM are best measured monthly to track trends. Macros should be recalculated whenever your calorie target changes. WHR is useful for health risk assessment every few months.
Frequently Asked Questions
What Is the Difference Between BMR and TDEE?
BMR (Basal Metabolic Rate) is the calories your body burns at complete rest to perform basic life functions. TDEE (Total Daily Energy Expenditure) is BMR plus all calories burned through movement, exercise, and digestion. Use BMR as your baseline; use TDEE to set calorie targets for weight change.
Is BMI Accurate for Fit People?
BMI does not distinguish between muscle and fat. Athletes and fit individuals with high muscle mass may be classified as overweight despite low body fat. For a more accurate assessment, combine BMI with body fat percentage and LBM measurements.
How Often Should I Recalculate My Macros?
Recalculate your macros whenever your calorie target changes or after losing or gaining 5-10 pounds. Major changes in activity level also warrant a recalculation. For most people, every 4-6 weeks is sufficient to keep your nutrition aligned with your current body composition.
Which Calculator Should I Use for Weight Loss?
Start with the Calorie & TDEE Calculator to set your daily deficit, then use the Macro Calculator to split those calories into protein, carbs, and fats. Track progress with the Body Fat and LBM calculators to ensure you are losing fat, not muscle.