How to use it
Fill in the fields - the answer updates as you type. Estimate the calories you burn at rest (BMR) and per day, and targets to lose or gain weight.
Free and private
The calculation runs in your browser. Nothing you type is sent or stored, and there is no limit.
Questions
Is this calculator free?
Yes - free and unlimited, with no sign-up.
Are my numbers saved?
No. Everything stays on your device.