Calorie Needs Calculator
Estimate daily calorie needs from BMR, activity level and a simple weight-change goal.
Enter your values
How to use Calorie Needs Calculator
- Enter Sex used by equation, Units, Age, Weight, Height, Activity level.
- Choose the options that match your task and leave genuinely optional fields blank when they do not apply.
- Select Calculate / Run and review the result panel.
- Check units, assumptions and any limitations shown on the page before using the result for an important decision.
About this tool
Estimate daily calorie needs from BMR, activity level and a simple weight-change goal. Use the form above to enter Sex used by equation, Units, Age, Weight, Height, Activity level. The calculation or transformation runs locally in your browser.
Method
Maintenance calories are estimated from Mifflin–St Jeor BMR multiplied by the selected activity factor, then adjusted by the selected goal estimate.
Frequently asked questions
What does Calorie Needs Calculator do?
Estimate daily calorie needs from BMR, activity level and a simple weight-change goal.
What information do I need?
The form is built around these inputs: Sex used by equation, Units, Age, Weight, Height, Activity level.
Does my input get uploaded?
For this tool, the calculation or transformation runs in your browser. Your entered values are not intentionally sent to ToolboxKart for processing.
Is this tool free to use?
Yes. You can use this ToolboxKart tool without creating an account.