Daily Calories · free online everyday tool
Mifflin-St Jeor formula for BMR and daily calories. No install, opens instantly, works offline — data stays in your browser.
How to use Daily Calories
- Open this page (or search “Daily Calories” on www.258tool.com).
- Enter your input in the tool panel — results update instantly.
- Copy, download or save as needed; your data is stored locally on this device.
FAQ
Is Daily Calories free?
Completely free. No sign-up, no account — open and use.
Is my data uploaded to a server?
No. All processing runs locally in your browser; data stays on your device.
Does Daily Calories work offline?
Yes. After the first visit, add 258tool to your home screen and everything works offline.
ReferenceMifflin-St Jeor 公式(1990,《美国临床营养学杂志》),现为国际通行基础代谢估算公式