About this bmr / resting energy calculator
Estimate adult resting energy using the Mifflin–St Jeor equation. Reuses the nutrition calculator: 10 × weight in kg + 6.25 × height in cm − 5 × age, then +5 for male or −161 for female. Source: Mifflin et al., American Journal of Clinical Nutrition (1990), doi:10.1093/ajcn/51.2.241. Use this workspace to prepare a result you can review before putting it to use. All processing takes place on your device, without an account or an upload of your inputs. Check the examples to understand the expected output, read the limitations for the supported scope, and reset the form when you want to start a separate task.
How the bmr / resting energy calculator works
Reuses the nutrition calculator: 10 × weight in kg + 6.25 × height in cm − 5 × age, then +5 for male or −161 for female. Source: Mifflin et al., American Journal of Clinical Nutrition (1990), doi:10.1093/ajcn/51.2.241.
BMR / Resting Energy Calculator examples
Male; 70 kg; 175 cm; age 30
1648.75 kcal/day
Female; 60 kg; 160 cm; age 30
1289 kcal/day
Limitations & privacy
This estimates resting energy, not measured basal metabolism, a calorie target, or total daily needs. Adults only: age 18–100, weight 30–300 kg, height 120–230 cm. Not for pregnancy, lactation or clinical decisions; seek professional guidance.
Inputs and results stay in this browser. Only tool identifiers are stored for your recently used tools. You can clear that history from the directory.
BMR / Resting Energy Calculator: frequently asked questions
How does the bmr / resting energy calculator work?
Reuses the nutrition calculator: 10 × weight in kg + 6.25 × height in cm − 5 × age, then +5 for male or −161 for female. Source: Mifflin et al., American Journal of Clinical Nutrition (1990), doi:10.1093/ajcn/51.2.241.
What can I inspect in the bmr / resting energy calculator result?
The resting energy equation terms helps you check the result before using it. This estimates resting energy, not measured basal metabolism, a calorie target, or total daily needs. Adults only: age 18–100, weight 30–300 kg, height 120–230 cm. Not for pregnancy, lactation or clinical decisions; seek professional guidance.
Does the bmr / resting energy calculator upload my input?
Processing happens in your browser. No tool input or output is uploaded to a server. Use Reset to clear the current workspace before starting a separate task.
Updated September 20, 2026