How to use BMI, BMR and body fat calculators to study health (without replacing your doctor)
Understand how BMI, Basal Metabolic Rate and Body Fat Percentage calculators work. Know how to use them in an educational and responsible way.
Find out the minimum number of calories your body burns at complete rest.
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Basal Metabolic Rate (BMR)
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Os resultados são baseados em tabelas de equivalência padrão e podem variar.
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Sua ferramenta completa para qualquer conversão: de sapatos a calorias, de metros a watts. Simples, rápido e preciso.
BMR (Basal Metabolic Rate) is an estimate of how many calories your body uses per day at rest, maintaining vital functions such as breathing, circulation and body temperature.
It is different from your total daily expenditure (TDEE): the total includes activities, work, training and even the thermic effect of food. TMB is just the “base”.
Practical example: if your estimated BMR is 1,600 kcal/day and you have a moderately active routine, your total expenditure could be close to 1,600 × 1.55 ≈ 2,480 kcal/day (typical factor). This account is an approximation for planning.
The BMR is useful for establishing a starting point for caloric intake (maintenance, deficit or surplus) and for comparing scenarios.
Limitations: formulas are population averages; body composition, hormones, sleep, stress, medication and diet history can change actual spending. Use as a reference and adjust with professional guidance when necessary.
The minimum energy your body spends at rest for vital functions.
Devices use sensors and proprietary models; our BMR follows standard formulas.
Use as a reference and adjust with activity and professional guidance.
Understand how BMI, Basal Metabolic Rate and Body Fat Percentage calculators work. Know how to use them in an educational and responsible way.
Fórmula: TMB (homens) = 10×Peso + 6,25×Altura − 5×Idade + 5; TMB (mulheres) = 10×Peso + 6,25×Altura − 5×Idade − 161. Unidade e escopo: estimamos a Taxa Metabólica Basal (TMB) com base em peso, altura, idade e sexo usando Mifflin–St Jeor.
Mifflin–St Jeor (1990) e diretrizes de nutrição/metabolismo (ex.: OMS/WHO como referência geral).