NomiHow it is calculated
For women: BMR = 10 × kg + 6.25 × cm − 5 × age − 161. For men, the final constant is +5. TDEE = BMR × activity factor.
Worked example
Example: a 30-year-old woman at 70 kg and 170 cm has an estimated BMR of 1,452 kcal. At a light-activity factor of 1.375, estimated maintenance is about 1,997 kcal/day.
Important health disclaimer
This result is educational, not a prescription, diagnosis or guarantee. Do not use it for pregnancy, childhood, an eating disorder or a medical condition without qualified care. Common minimums are broad guardrails, not personalized safety advice.
Frequently asked questions
Is this calorie calculator exact?
No. It estimates an average starting point from an equation. Metabolism, body composition, medication, illness and measurement error can change actual needs.
What is TDEE?
Total daily energy expenditure is an estimate of the energy your body uses in a day, including resting needs and activity.
Which activity level should I choose?
Choose the closest description of a typical week. If uncertain, start conservatively and compare the estimate with several weeks of real weight trends.
Does Nomi store these calculator inputs?
No. Calculations happen in your browser. These tools do not save or send the values you enter.
Should I use this for a medical diet?
No. Ask a doctor or registered dietitian for needs related to pregnancy, illness, medication, eating disorders or another medical concern.