TDEE Calculator

About TDEE Calculator

Calculate your Total Daily Energy Expenditure — the calories you burn each day — plus targets for losing or gaining weight, using the Mifflin–St Jeor formula. Built for anyone planning their day-to-day, TDEE Calculator helps you take care of the details without any hassle. Most people use it for planning a balanced meal and working out a monthly budget, but it fits plenty of other jobs too. Like the rest of ChatGBT, it's free, fast and private.

Why use TDEE Calculator?

• Works right in your browser on any device — desktop, tablet or phone.
• Totally free with no account, sign-up or hidden limits.
• Save time — build better routines in seconds instead of doing it by hand.
• Fewer mistakes: let TDEE Calculator handle the fiddly parts so you don't have to.
• Skip the expensive software — TDEE Calculator does the job for free.

From anyone planning their day-to-day to everyone in between, TDEE Calculator fits right into your workflow.

Key features

• Built to handle real, everyday lifestyle tasks reliably.
• No watermarks, paywalls or usage caps.
• Works on every modern browser, mobile and desktop.
• Privacy-first: your input is used only to produce your result.

What you can use TDEE Calculator for

• Planning a balanced meal
• Organising a busy week
• Working out a monthly budget

How to use TDEE Calculator

1. Open TDEE Calculator — there's nothing to install or sign up for.
2. Enter your details in the fields above.
3. Click “Generate” and let TDEE Calculator do the work in seconds.
4. Copy or tweak the result, and run it again any time.

Tips for getting the best results

• Great for planning a balanced meal — one of the most common reasons people open TDEE Calculator.
• Be specific with your input — the more detail you give, the better TDEE Calculator performs.
• Try it more than once; small tweaks can noticeably improve the result.

Frequently asked questions