Estimate daily calorie needs
We estimate BMR with Mifflin-St Jeor, then apply the activity level you choose.
Health tool
Estimate a daily calorie target.
Inputs
Estimated maintenance
We estimate BMR with Mifflin-St Jeor, then apply the activity level you choose.
A few quick answers before you go.
It estimates daily maintenance calories. Individual needs vary with health, activity, and goals.
Straightforward explanations to help you use each tool well.
A practical guide to contributions, rates, and time.
Read guide →Health · July 8, 2026What this screening measure can and cannot tell you.
Read guide →Developer · July 4, 2026A quick workflow for valid and readable JSON.
Read guide →Disclaimer: This tool is for general information only and does not provide financial, medical, or professional advice.