The Utility Base

What is "Daily Calories"?

Daily calorie targets should be based on maintenance first, then adjusted for fat loss or muscle gain.

Example: A calorie target fails more often from being unrealistic than from being mathematically off by a small amount.

Calculadora de Calorias

Taxa Metabólica Basal (TMB)
1,649 kcal
Calories burned at complete rest
Gasto Energético Diário Total (GEDT)
2,556 kcal
Total daily calories burned

Recommended Calories by Goal

GoalDaily Calories
Manter Peso2,556 kcal
Perda de Peso Leve (-0,25kg/semana)2,306 kcal
Perda de Peso (-0,5kg/semana)2,056 kcal
Ganho de Peso Leve (+0,25kg/semana)2,806 kcal
Ganho de Peso (+0,5kg/semana)3,056 kcal
🍎

Daily Calorie Result

2,556 kcal

BMR 1,649 kcal, based on activity level

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O que é a Equação de Mifflin-St Jeor?

A equação de Mifflin-St Jeor, desenvolvida em 1990, é atualmente considerada a fórmula mais precisa para calcular a Taxa Metabólica Basal (TMB). É recomendada pela Associação Dietética Americana.

A Fórmula

👨 Homem: TMB = 10×peso(kg) + 6,25×altura(cm) - 5×idade + 5

👩 Mulher: TMB = 10×peso(kg) + 6,25×altura(cm) - 5×idade - 161

O que é GEDT?

GEDT (Gasto Energético Diário Total) é o número total de calorias que você queima por dia. É calculado multiplicando sua TMB por um fator de atividade.

Activity Multipliers

Activity LevelMultiplierDescription
Sedentário (pouco ou nenhum exercício)1.2Desk job, no exercise
Leve (exercício 1-3 dias/semana)1.375Light exercise 1-3 days/week
Moderado (exercício 3-5 dias/semana)1.55Moderate exercise 3-5 days/week
Ativo (exercício 6-7 dias/semana)1.725Hard exercise 6-7 days/week
Muito Ativo (exercício intenso diário ou trabalho físico)1.9Very hard exercise or physical job

Dicas de Alimentação Saudável

  • ✓Evite restrição calórica extrema (mantenha pelo menos 80% do GEDT)
  • ✓Obtenha proteína suficiente (1,6-2,2g por kg de peso corporal)
  • ✓Mantenha-se hidratado (pelo menos 2L de água diariamente)
  • ✓Coma alimentos ricos em fibras

💡Check these out next

🍎

Plan Your Diet

Plan meals based on your target calories

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Check Your BMI

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Manage Health Goals

Set target dates with D-Day calculator

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Quem Deve Usar Esta Ferramenta?

Veja primeiro os perfis e cenários mais adequados.

🎯

Best-fit users

Useful when you want numbers around TDEE, deficit, and maintenance calories.

DecisionFit
📊

Comparison-first users

Helpful when you need to compare your current setup against a realistic alternative.

CompareChoice
💸

Cash-flow aware users

Good when sustainability matters more than the headline number.

Cash FlowReality
🧭

People who need a baseline

Start here when you want a numeric baseline before taking action.

BaselinePlanning

Exemplos de cálculo

Casos concretos ajudam a decidir melhor.

Scenario 1

Run a realistic baseline first

Result

See the first decision threshold quickly

A rough baseline is better than guessing.

Scenario 2

Change one major variable

Result

Watch how decision quality changes

Structure often matters more than the headline number.

Scenario 3

Use a more conservative assumption

Result

Stress-test the plan before committing

Conservative assumptions usually create better real-world plans.

Comparação de situações parecidas

X vs Y, quanto cabe no bolso e quando vale mais a pena.

Abrir comparador

X vs Y

Best for

When two choices look similar on the surface

Watch for

The hidden structure often matters more than the headline number.

Decision rule

Cash flow and sustainability usually matter more than optics.

How much is really affordable?

Best for

When approved amount and healthy amount are not the same

Watch for

Maximum eligibility is rarely the same as safe capacity.

Decision rule

Set the monthly burden you can carry first, then build around it.

When is this favorable?

Best for

When timing or conditions change the answer

Watch for

Delay can become more expensive than expected.

Decision rule

Prepared structure and consistency usually beat perfect timing.

💡

Expert Tip

Long-term diet success usually comes from starting with a modest deficit, not the lowest number you can tolerate. When progress stalls, adjust activity and tracking accuracy before slashing calories again.

— Weight-management best practice

Perguntas frequentes

What should I look at first in this calculator?

Start with the assumption that changes the result most. This tool is most useful for setting a decision baseline, not pretending the first number is perfect.

What is the difference between BMR and TDEE?

BMR (Basal Metabolic Rate) is the minimum calories your body burns at rest. TDEE (Total Daily Energy Expenditure) is your total daily calorie burn including BMR plus daily activities and exercise.

What is the Mifflin-St Jeor equation?

The Mifflin-St Jeor equation, developed in 1990, is currently considered the most accurate formula for calculating BMR. It is recommended by the American Dietetic Association.

📌 Key Takeaways

  • 📌Calorie goals should usually be based on TDEE, not BMR
  • ⚖️A 300-500 calorie deficit is often easier to sustain than a crash diet
  • 🏃If activity changes, old calorie targets can become inaccurate fast
  • 🥗Calories work better when paired with protein and sustainable meal structure

📊 The Science Behind Calorie Calculation

What is BMR (Basal Metabolic Rate)?

Basal Metabolic Rate (BMR) is the minimum number of calories your body needs at complete rest for basic life functions like breathing, temperature regulation, and cell activity. Simply put, it's the energy you burn in 24 hours while doing nothing. This calculator uses the Mifflin-St Jeor equation, currently recognized as the most accurate BMR calculation method.

What is TDEE (Total Daily Energy Expenditure)?

TDEE is your total daily calorie expenditure, combining BMR with daily activities and exercise. It's calculated by multiplying BMR by an activity factor based on your lifestyle. Knowing your TDEE helps you set accurate calorie goals for weight loss (eat less than TDEE), maintenance (eat TDEE), or weight gain (eat more than TDEE).

💡 Activity Factor Guide

  • • Sedentary (1.2): Office work, little exercise
  • • Light (1.375): Light exercise 1-3 days/week
  • • Moderate (1.55): Moderate exercise 3-5 days/week
  • • Active (1.725): Hard exercise 6-7 days/week
  • • Very Active (1.9): Physical job or training twice daily

🔗Related Calculators

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📚 Guia de cálculo local

Lógica da fórmula

Aplicamos fórmulas públicas de finanças, empréstimos, razão e conversão.

Escopo das fontes

Referências seguem padrões públicos e práticas comuns de cada país.

Premissas

Impostos, taxas e limites variam por região e instituição.

Result Interpretation

Use este resultado como cenário base. Antes de decidir, compare com proposta real e regras fiscais locais.

Padrão local

Moeda: BRL

Unidades: metric

Modelo tributário: US payroll estimate

Aviso regulatório

Esta ferramenta usa presets regionais para estimativa. Termos reais e limites legais variam por instituição e legislação local.

Próximas ações recomendadas

  • Compare pelo menos 2-3 instituições locais antes de fechar.
  • Confirme por escrito taxas, impostos e cláusulas de amortização antecipada.
  • Rode cenário de estresse com +1-2% de juros.

Antes de uma decisão real, confirme as regras atuais da instituição local.

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