Loading...
Loading...
Loading...
Calculate Total Daily Energy Expenditure by activity level.
TDEE Calculator is a free browser-based tool that helps you calculate total daily energy expenditure by activity level. It is part of ToolsMonk's medical tools collection, so you can finish the job without downloading software, creating an account, or jumping between multiple websites.
This tool is especially useful for workflows such as finding your daily calorie needs to maintain, lose, or gain weight, setting a calorie deficit or surplus from a reliable baseline, and planning nutrition around your real activity level. Because it runs directly in your browser, you can use it on desktop, tablet, or mobile while keeping the process fast and easy for one-off tasks as well as repeat work.
TDEE Calculator is designed for people who want a practical, privacy-friendly workflow with instant results inside the larger ToolsMonk library.
Enter your age, sex, height, and weight (for BMR)
Select your activity level
See your TDEE — estimated total daily calorie burn
Subtract for weight loss or add for gain to set a target
Calculates Total Daily Energy Expenditure — calories burned per day including activity
Combines your BMR with an activity-level multiplier
The key number for weight-loss, maintenance, or gain targets
Metric and imperial units
Runs in your browser — your details stay on your device
Free, with no signup
Finding your daily calorie needs to maintain, lose, or gain weight
Setting a calorie deficit or surplus from a reliable baseline
Planning nutrition around your real activity level
Understanding how activity changes your calorie needs
TDEE Calculator is a powerful free online tool available on ToolsMonk that helps you calculate total daily energy expenditure by activity level. Whether you're a professional, student, or casual user, our tdee calculator provides instant, accurate results right in your browser without requiring any software installation or account creation.
As part of our Medical Tools collection, this tool is designed with simplicity and power in mind. All processing happens client-side, ensuring your data remains completely private and secure. The tool works seamlessly across all modern browsers on desktop, tablet, and mobile devices.
TDEE Calculator estimates your Total Daily Energy Expenditure — all the calories you burn in a day, resting metabolism plus activity — by combining your BMR with an activity-level multiplier. It's the cornerstone number for any weight goal.
The logic is simple and powerful: eat below your TDEE to lose weight, at it to maintain, above it to gain. A daily deficit of around 500 calories targets roughly half a kilo (a pound) of loss per week — a sustainable pace. The TDEE itself is your maintenance level, and the deficit or surplus you choose sets how fast you move.
The biggest source of error is the activity multiplier. Most people overestimate how active they are, inflating their TDEE and then wondering why weight loss stalls — so it's wise to choose conservatively. Underestimating food intake (portions and small extras) compounds the problem.
Because it's an estimate, treat the number as a starting point: track real results over 2–3 weeks and adjust, and recalculate as your weight changes since TDEE falls as you lose. It's informational, not medical advice, and your details never leave your browser. Pair it with the BMR, Macro, and Calorie calculators for a full plan.
Be honest (even conservative) about activity level — overestimating is the #1 reason calorie targets fail
A ~500 cal/day deficit targets about 0.5 kg (1 lb) loss per week; avoid extreme deficits
Recalculate as your weight changes — TDEE drops as you lose weight
Common questions about this tool, its workflow, and what to expect before you use it.
Get notified about new tools, features, and tips. No spam, unsubscribe anytime.
Calculate your Body Mass Index with health category & advice.
Try itEstimate daily calorie needs using the Mifflin-St Jeor equation.
Try itEstimate due date, current week & pregnancy milestones.
Try itAssess cardiovascular & lifestyle health risk factors.
Try itEstimate body fat using the U.S. Navy formula.
Try itCalculate 5 training heart rate zones (Karvonen method).
Try itCalculate daily protein, carbs & fat with preset diet plans.
Try itCalculate your Basal Metabolic Rate with activity breakdown.
Try it