Preparing 100% in-browser client utilities with zero server data latency.
Calculate Total Daily Energy Expenditure and baseline metabolism.
Free online health tool
Calculate TDEE and maintenance calorie requirements.
Enter your input parameters or select your files. Our tdee calculator processes your data instantly using standard browser algorithms. All operations run 100% locally on your device with no server uploads, no data storage, and no account registration required.
Calculate Total Daily Energy Expenditure and baseline metabolism. Yuitility keeps the workflow fast and focused, so you can complete the job without creating an account.
Frequently asked questions about calculation formulas, privacy, and usage.
The TDEE Calculator processes your inputs directly in your web browser to perform fast calculations, transformations, or data formatting without external tools.
Yes. Yuitility provides the TDEE Calculator 100% free with no account creation, no usage caps, and no subscription fees.
No. All file processing, image conversion, and data math execute locally on your device. Your data never leaves your browser window.
Yes. Once the page is loaded, the client-side JavaScript execution code remains active in memory, allowing offline use without an active internet connection.
Estimate body fat percentage, lean mass, and fat mass using US Navy formulas.
Open toolCalculate lean body mass (LBM) and body fat mass percentage.
Open toolEstimate healthy body weight ranges based on height and frame.
Open tool