TDEE Calculator
Total daily energy expenditure via the Mifflin-St Jeor equation with activity multiplier and cut/bulk targets.
Mifflin-St Jeor is generally the most accurate for adults; Harris-Benedict kept for comparison. ±10% is normal variance — adjust based on real-world weight trends over 2–3 weeks.
About TDEE Calculator
Total daily energy expenditure via the Mifflin-St Jeor equation with activity multiplier and cut/bulk targets.
TDEE Calculator applies the standard formula for this calculation and returns a clean, readable result — no spreadsheet setup or manual working required.
How to Use TDEE Calculator
- Enter your numbers in the input fields shown above.
- Choose any options (units, rounding, precision) if the tool offers them.
- The result updates automatically — no button needed.
- Copy the answer or reset the fields to start a new calculation.
Key Features
- Instant results with a clear, readable output format.
- Handles decimals, percentages and large numbers cleanly.
- Fast and private — every calculation runs on your device.
Frequently Asked Questions
What formula does TDEE Calculator use?
TDEE Calculator uses the standard, widely accepted formula for this calculation. Results are rounded only for display, so they are reliable for homework, planning and quick checks.
Is TDEE Calculator free to use?
Yes. TDEE Calculator is completely free with unlimited use — no account, download or payment required.
Is my data uploaded to a server?
No. TDEE Calculator runs entirely in your browser. Your inputs are never sent to our servers or stored anywhere.
Does TDEE Calculator work on mobile?
Yes. The interface is fully responsive and works in any modern browser on Android, iPhone, tablets and desktops.