Calculators
Know
Your
Numbers.
Estimate your daily calorie needs in seconds. Use this free Lucas Fit calculator to estimate your Basal Metabolic Rate (BMR) and your Daily Maintenance Calories based on your activity level.Simple. Fast. Useful.
The Tool
Daily Calorie
Calculator
Your BMR is an estimate of the calories your body uses at rest. Your maintenance calories estimate how many calories you may need per day based on your activity level.
Daily Calorie Calculator
Your BMR is an estimate of the calories your body uses at rest. Your maintenance calories estimate how many calories you may need per day based on your activity level.
Unit System
Sex Used for Calculation
Height
Quick Guide
How to Use
These Numbers
Maintain
If your goal is maintenance, your daily calories may be around your maintenance estimate.
Fat Loss
A moderate calorie deficit is commonly used when the goal is fat loss.
Muscle Gain
A moderate calorie surplus is commonly used when the goal is muscle gain.
These numbers can help guide your planning, but individual needs vary.
Important
Important
This calculator is for general educational and informational purposes only. Calorie estimates are based on standard population-level formulas and may not reflect your individual needs.
This tool does not provide medical advice, nutrition therapy, diagnosis, or treatment.
Consult a qualified healthcare professional or registered dietitian when appropriate, especially if you:
- have a medical condition
- are pregnant or postpartum
- are breastfeeding
- are under 18
- have a history of disordered eating
- take medication
- need individualized nutrition guidance
Individual results and calorie needs vary.
Train Smarter.
Eat Smarter.
Explore more Lucas Fit training, nutrition, and fitness content.