Calorie Calculator (TDEE)
Total daily energy expenditure by activity.
How to use Calorie Calculator
Calorie Calculator: Estimate your total daily energy expenditure (TDEE) from BMR and activity. It is built for speed and privacy: open the page and start, with no account required.
Calorie Calculator is straightforward to use. The output is produced by standard arithmetic applied only to the numbers you type, so it updates the instant you change an input and never depends on a server. Because the work happens locally, there is nothing to install and no waiting on a network.
Open Calorie Calculator on toolpermarket. The tool loads instantly and runs entirely in your browser, so you can begin right away without creating an account.
In the Stats and goal field, enter age, weight, height, sex and activity. Activity level scales the result a lot.
In the Goal field, pick maintain, lose, or gain. A deficit or surplus is applied on top of TDEE.
Press Calculate to compute the result. The output appears immediately below the form, and you can change any input and run it again as many times as you like.
Read the result and use it as needed. If anything looks off, double-check your inputs and run it again — the calculation is local and instant, so experimenting costs nothing.
Worked example. A lightly active 30-year-old needing maintenance at ~2,000 calories gets about 1,500 for a lose weight plan or 2,500 to gain.
Tips for accurate results.
TDEE, not BMR, is the number to eat from.
Aim for a modest deficit — extreme cuts backfire.
Recompute after weight or habit changes.
When to use Calorie Calculator. Setting a daily calorie target. Planning a cut or bulk with real numbers. Understanding why two people need different intakes.
Why use an online calculator tool. A dedicated tool like Calorie Calculator saves the time you would spend opening a spreadsheet, writing a formula, or installing software. It is free, works in any browser, and keeps your input private — handy for a one-off calculation or a quick check while you work.
Everything stays on your device. Calorie Calculator performs no network calls, uploads, or tracking — your input is processed locally and forgotten the moment you close the tab.
Frequently asked questions
Is this the same as BMR?
No. BMR is rest-only; this estimate adds your activity to reach TDEE, total daily energy expenditure, then applies a goal adjustment. You eat from the TDEE-based figure, not the bare BMR, which is why the target is much higher than the resting number.
How big a deficit should I use to lose weight?
A modest one — commonly 300 to 500 calories below maintenance — loses weight steadily without triggering burnout or muscle loss. Extreme deficits from the calculator are mathematically valid but rarely sustainable, so the tool reports them without endorsing them.
Why does my friend’s target differ so much?
Because calorie need scales with weight, height, age, sex and activity. Two people of different size or movement can legitimately need a thousand calories apart. The calculator reflects those inputs rather than a one-size target.
How accurate is Calorie Calculator?
Calorie Calculator uses the same arithmetic your operating system and spreadsheet use, so the result is as precise as the numbers you enter. It does not round or estimate unless a field is explicitly a rounded display value, and you can recompute any time to double-check.
Is my data sent to a server when I use Calorie Calculator?
No. Calorie Calculator runs completely inside your browser. Anything you type, paste, or upload stays on your device and is never transmitted to a server, stored in a database, or shared with a third party. You can even use it offline once the page has loaded, and closing the tab erases the session.
Does Calorie Calculator work on phones and tablets?
Yes. The layout is fully responsive, so Calorie Calculator behaves the same on a phone, tablet, or desktop — the form reflows to fit the screen and the buttons stay easy to tap. There is no app to install; just open the page in any modern browser and it works.
Is Calorie Calculator free, and do I need an account?
Calorie Calculator is free to use with no account, no sign-up, and no usage limits. It is part of toolpermarket, a matrix of private, browser-based utilities built for everyday tasks, so you can return as often as you like without registering.