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Calorie Calculator
See roughly how many calories your body uses in a day and what that means for your goals.
Free, no sign-up. Runs in your browser: nothing is uploaded.
How to use Calorie Calculator
- Enter age, sex, height and weight.
- Choose your activity level.
- Read calories for each goal.
Features
- Mifflin–St Jeor BMR
- Activity levels
- Targets to lose or gain weight
Private by design
Everything you type is calculated by your browser on this device. Nothing is sent to openWorkstand or anyone else, so the Calorie Calculator is safe for private and work data, and it keeps working offline once the page has loaded. How local processing works
Good to know
- Daily calorie needs are estimates from standard formulas; individual needs vary.
When to use the Calorie Calculator
- Plan a diet to lose weight safely.
- Know how much to eat to gain muscle.
- Estimate your daily energy needs.
Frequently asked questions
Is this medical advice?
No. It is an estimate based on a standard equation. Speak to a doctor or dietitian for personal advice.
Keep working with the result
openWorkstand also includes a free workspace with documents, spreadsheets, tasks, projects and a calendar that save to a folder on your computer.
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