TDEE Calculator

About This Tool

Look, I get it. You’re not here for fluff. You just want to know how many calories your body actually needs. That’s what this TDEE calculator does—no magic, no nonsense. TDEE stands for Total Daily Energy Expenditure. Basically, it’s the total number of calories you burn in a day, including everything: breathing, walking, scrolling on your phone, even digesting food.

I built this because I was tired of guessing. Every diet plan throws out random numbers like “eat 1,200 calories” and calls it a day. But your body isn’t a spreadsheet. It’s messy, it changes, and it deserves better than a one-size-fits-all guess. This tool uses your age, weight, height, gender, and activity level to give you a realistic starting point. It’s not perfect—nothing is—but it’s way better than guessing.

Use it to maintain, lose, or gain weight. Just don’t treat it like gospel. Bodies aren’t machines. Sometimes you’ll need to tweak things based on how you feel, how your clothes fit, or what the scale says over time.

Key Features

• Simple input fields—no confusing jargon. Just basic info about you.
• Uses the Mifflin-St Jeor equation. It’s not the newest thing out there, but it’s well-tested and widely trusted.
• Adjusts for activity level. Sitting all day? Light workouts? Training for a marathon? It accounts for that.
• Gives you a range. Because your TDEE isn’t a single number—it shifts with your routine, stress, sleep, even the weather.
• No sign-up. No ads. No selling your data. Just open it and use it.
• Explains what the number means. So you’re not left staring at 2,347 calories wondering what to do next.

FAQ

Q: Is this accurate?
A: As accurate as a math-based estimate can be. It’s not a medical device. If you’re under 18, pregnant, or have a medical condition, talk to a professional. But for most healthy adults? It’s a solid starting point.

Q: Why does my TDEE change when I update my activity level?
A: Because movement burns calories. If you go from desk job to hitting the gym five times a week, your body burns more energy. The calculator adjusts for that. It’s not rocket science—it’s just math meeting real life.