All CalculatorsHealth & Fitness

Calorie Calculator

Calculate your daily calorie needs based on age, gender, weight, height, and activity level using the Mifflin-St Jeor equation.

years
lbs
ft
in
Results

Maintenance Calories

2598cal/day

Weight Loss (-1 lb/week)

2098cal/day

Weight Gain (+1 lb/week)

3098cal/day

Basal Metabolic Rate

1676cal/day

Results are estimates. Individual calorie needs vary. Consult a healthcare provider or registered dietitian for personalized nutrition advice.

Unlock Pro Features

Get more from every calculation

Want to understand how we got your answer? Pro members get AI-powered explanations that break down every step, helping you learn the concepts behind the calculations.

AI-powered explanations for every calculation
Step-by-step breakdowns of formulas
Save unlimited calculation history
Photo math solver - snap and solve
Practice quizzes with instant feedback
No ads, premium support
One-time payment, lifetime access

Already have an account? Sign in

Virtual Tutor

Ask me about math!

Hi! I'm your virtual math tutor. Ask me anything about equations, math concepts, or problem-solving strategies!