About the Weight Maintenance Calculator
The Weight Maintenance Calculator is designed to give you a quick, practical estimate using the information you enter. Estimate maintenance calories at a chosen body weight using BMR and activity level. The tool supports the unit choices shown in the calculator and presents the result in a format that is easy to compare with related weight-management measures.
Use the calculator by entering the requested values and selecting Calculate. The result card explains the main estimate and, where useful, shows supporting values that help you understand how the answer was derived. Select Reset to clear the form and start again.
This calculator is intended for general educational and planning purposes. It uses published equations or standard mathematical relationships, but individual needs and outcomes can vary. Treat the result as an estimate rather than a diagnosis, prescription, or guarantee.
Estimate maintenance calories at a chosen body weight using BMR and activity level.
What Is Weight Maintenance at a Target Weight?
Maintenance calories are the estimated daily energy intake associated with maintaining a given body weight at a chosen activity level.
Formula / Method Used
Mifflin-St Jeor BMR at target weight × selected activity factor.
How to Use the Weight Maintenance Calculator
- Choose the unit system or options requested by the tool.
- Enter the required measurements or planning values.
- Select Calculate to view your result and supporting details.
- Review the explanation and limitations before using the estimate for planning.
Example Calculation
The result shows estimated BMR and TDEE at the entered target weight.
Limitations
Energy needs are adaptive and activity factors are broad categories, so actual maintenance intake may differ.
Frequently Asked Questions
Is this calculator exact?
No. It provides an estimate based on the inputs and method shown on the page.
Can I use the result as medical advice?
No. The result is for general informational and educational use and does not replace individualized advice from a qualified healthcare professional.
Can I switch between Metric and US units?
Where measurements are required, the calculator supports the unit systems displayed in the form.
Methodology & References
Uses Mifflin-St Jeor BMR at the entered target weight and applies the selected activity factor.