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Kalkulator Gratis — Tanpa Email

Kalkulator Usia Metabolik Gratis Temukan Usia Tubuh Anda yang Sebenarnya dalam 60 Detik

Masukkan data Anda di bawah. Dapatkan usia metabolik, BMR, dan BMI — instan, gratis, tanpa pendaftaran.

✓ Tanpa email ✓ Rumus Mifflin-St Jeor ✓ Hasil pria & wanita ✓ Digunakan 100.000+ orang

Hitung Usia Metabolik Anda

Satuan:

BMR Mifflin–St Jeor langsung dengan kebutuhan kalori berdasarkan aktivitas.

Profil

Hasil terpisah untuk pria dan wanita.

Ukuran Tubuh

BMR ANDA

0

Kalori/hari
RUMUS

Mifflin–St Jeor

±5% accuracy
TIPS

Pilih faktor aktivitas

untuk memperkirakan TDEE

ℹ Cara Kerja Kalkulator Ini

Alat ini menggunakan persamaan Mifflin–St Jeor untuk memperkirakan Laju Metabolisme Basal (BMR) Anda.

📝

Masukkan Data Anda

Usia, jenis kelamin, tinggi & berat

⚡

Perhitungan Instan

Rumus Mifflin–St Jeor berjalan langsung

📊

Dapatkan Hasil Anda

BMR + TDEE berdasarkan aktivitas

💡 Tips Cepat

  • • Gunakan tinggi/berat yang akurat.
  • • Pilih aktivitas yang paling sesuai dengan rutinitas Anda.
  • • Targetkan perubahan kalori moderat untuk tujuan berkelanjutan.

Apa Itu Usia Metabolik?

Usia metabolik membandingkan BMR Anda dengan BMR rata-rata orang seusia Anda.

Usia metabolik berbeda dari usia biologis.

3 Alasan Usia Metabolik Lebih Penting dari BMI

1

BMI mengabaikan massa otot.

2

Usia metabolik mengungkapkan efisiensi organ.

3

Usia metabolik lebih tinggi = tanda peringatan.

Cara Menghitung Usia Metabolik

Untuk menghitung usia metabolik, ikuti 3 langkah ini:

1

Hitung BMR Anda

BMR adalah jumlah kalori yang dibakar tubuh Anda saat istirahat total.

FormulaBest ForAccuracy
Mifflin-St JeorMost people — recommendedHighest (±5%)
Harris-Benedict (Revised)General adultsModerate (±8%)
Katch-McArdlePeople who know body fat %Highest for lean individuals

Mifflin-St Jeor Formula:

Pria: (10 × kg) + (6.25 × cm) − (5 × age) + 5

Wanita: (10 × kg) + (6.25 × cm) − (5 × age) − 161

2

Bandingkan BMR dengan Rata-rata Kelompok Usia

Age GroupAvg Male BMRAvg Female BMRNotes
20–291,900–2,0001,550–1,650Peak metabolic rate
30–391,800–1,9001,480–1,580Drops ~2%/decade
40–491,700–1,8001,400–1,500Muscle loss accelerates
50–591,600–1,7001,320–1,420Hormonal shifts begin
60–691,500–1,6001,250–1,350Sedentary risk rises
70+1,400–1,5001,180–1,280Frailty prevention critical
3

Tentukan Skor Usia Metabolik Anda

Cocokkan BMR yang dihitung dengan kelompok usia terdekat.

Example: A 50-year-old woman with a BMR of 1,620 cal/day has the metabolic profile of a 38-year-old. Her metabolic age is 38.

Kalkulator Usia Metabolik — Hasil Pria vs Wanita

Pria dan wanita memiliki baseline BMR yang berbeda:

1

Massa otot: Pria memiliki 30–40% lebih banyak otot.

2

Hormon: Testosteron meningkatkan laju metabolisme.

3

Komposisi tubuh: Wanita memiliki 6–11% lebih banyak lemak esensial.

♀ Perubahan Khusus Wanita

  • Ages 35–45: Estrogen decline slows fat metabolism by up to 15%.
  • Menopause: BMR drops an additional 200–300 cal/day for some women.
  • Pregnancy: BMR increases by 15–20% to support fetal development.

♂ Perubahan Khusus Pria

  • After age 30: Testosterone drops 1% per year — BMR falls with it.
  • After age 50: Muscle loss (sarcopenia) accelerates — BMR drops 1–2%/year.

Apa Itu Usia Metabolik yang Baik?

A good metabolic age is equal to or younger than your chronological age.

ResultMeaningAction
MA < real ageExcellent — faster metabolismMaintain your habits
MA = real ageNormal — average metabolismSmall improvements help
MA > real age by 1–5 yrsBelow average — attention neededAdd resistance training
MA > real age by 6+ yrsPoor — metabolism slowing fastImmediate lifestyle changes

5 Factors That Raise Metabolic Age

  • ❌ Sedentary lifestyle (no exercise)
  • ❌ Low muscle mass
  • ❌ Chronic sleep deprivation (<6 hrs)
  • ❌ High-processed-food diet
  • ❌ Chronic stress and elevated cortisol

5 Factors That Lower Metabolic Age

  • ✅ Resistance training 3–4 days/week
  • ✅ High-protein diet (1.6–2.2 g/kg)
  • ✅ 7–9 hours of sleep/night
  • ✅ Slight caloric deficit consistently
  • ✅ HIIT 20–30 min, 2×/week

How Is Metabolic Age Calculated on a Smart Scale?

Smart scales use Bioelectrical Impedance Analysis (BIA) to estimate metabolic age. BIA sends a small electrical current through your body to estimate lean body mass and fat mass, then calculates your BMR and compares it to age-group averages.

BIA accuracy depends on 4 conditions:

  • 💧 Hydration level — dehydration inflates fat estimates by up to 10%
  • ⏰ Time of measurement — morning readings before eating are most accurate
  • 👣 Foot electrode positioning — uneven placement creates errors
  • 🏃 Athlete vs non-athlete mode — most scales default to non-athlete algorithms
MethodAccuracyCost
Online calculator (Mifflin-St Jeor)±5–8%Free
Smart scale (BIA)±8–12%$30–$300
DEXA scan±1–2%$40–$150/scan
Lab calorimetry±1%$200–$400

Smart scale brands with metabolic age feature: Withings Body+, Tanita BC-533, Garmin Index S2, InBody H20N, Fitbit Aria Air.

BMI and Metabolic Age Calculator — Two Different Metrics

BMI (Body Mass Index) measures weight relative to height. Metabolic age measures how efficiently your body burns energy.

BMI formula: weight (kg) ÷ height² (m²). A score of 18.5–24.9 is normal.

3 Limitations of BMI:

1

Ignores muscle mass — a 220 lb athlete and a sedentary person can both show BMI of 28

2

Doesn't reveal metabolic health — normal BMI can coexist with a metabolic age 15 years older

3

Race and gender differences are not factored in

Use both metrics together. A healthy person targets: BMI 18.5–24.9 AND a metabolic age at or below their real age.

How to Lower Your Metabolic Age — 7 Proven Methods

1

Build Muscle with Resistance Training

Add 3–4 resistance training sessions per week. Each pound of muscle burns 6–10 extra calories daily at rest. Over time, 10 extra pounds of muscle raises your BMR by 60–100 cal/day.

2

Increase Daily Protein Intake

Eat 1.6–2.2 g of protein per kg of body weight daily. Protein has a thermic effect of 20–30% — meaning 30% of protein calories burn during digestion.

3

Improve Sleep to 7–9 Hours

Sleep deprivation raises cortisol, which breaks down muscle and stores fat. Just 5 nights of 6-hour sleep reduces insulin sensitivity by 25%.

4

Add HIIT 2× Per Week

High-Intensity Interval Training raises BMR for 14–24 hours post-workout — the afterburn effect. A 20-minute HIIT session burns 250–450 extra calories over 24 hours.

5

Cut Processed Foods and Refined Sugar

Processed foods spike insulin, promote fat storage, and reduce muscle protein synthesis. Replace 3 processed meals per week with whole foods to reduce metabolic age by 1–3 years within 90 days.

6

Stay Hydrated — 2–3 Liters Daily

Drinking 500 ml of cold water raises BMR by 24–30% for 60 minutes. Chronic dehydration slows metabolism and reduces exercise capacity.

7

Recalculate Every 90 Days

Track your metabolic age every 90 days. Muscle takes 8–12 weeks to measurably raise BMR. Regular tracking shows which habits actually work for your body.

Pertanyaan yang Sering Diajukan — Usia Metabolik

How to calculate metabolic age?
To calculate metabolic age, first calculate your BMR using the Mifflin-St Jeor formula. Then compare your BMR to the average BMR for each age group. The age group whose average BMR matches yours is your metabolic age.
How is metabolic age calculated on a smart scale?
Smart scales use BIA — a mild electrical current passed through your feet — to estimate lean mass and body fat. From these estimates, the scale calculates your BMR and compares it to age-group averages to produce a metabolic age score.
What is considered a good metabolic age?
A good metabolic age is equal to or lower than your real age. A metabolic age 5+ years below your chronological age indicates strong muscle mass, high activity, and efficient calorie burning.
How can I calculate my body age online?
Enter your gender, age, height, weight, and activity level into our free calculator above. The tool calculates your BMR using the Mifflin-St Jeor formula, compares it to age-group averages, and returns your metabolic age — no email required.
What is the difference between BMR and metabolic age?
BMR (Basal Metabolic Rate) is the number of calories your body burns at rest — it is a calorie number, not an age. Metabolic age is the age group whose average BMR matches your BMR. BMR is the input; metabolic age is the output.
Is metabolic age the same as biological age?
No. Metabolic age reflects calorie-burning efficiency. Biological age reflects cellular aging — DNA methylation, telomere length, and organ function. Both can differ from your chronological age, but they measure different things.
Can I improve my metabolic age naturally?
Yes. Resistance training, high-protein diet, quality sleep, and HIIT are the 4 most effective methods. Most people see a measurable improvement in metabolic age within 90 days.
What is a normal metabolic age for a 40-year-old woman?
A normal metabolic age for a 40-year-old woman is 38–42. A metabolic age below 35 indicates above-average metabolic health. A metabolic age above 48 signals a need for diet and exercise changes.
Why is my metabolic age higher than my real age?
A metabolic age above your real age means your BMR is lower than average for your age group. The 4 most common causes are low muscle mass, a sedentary lifestyle, chronic sleep deprivation, and a high-calorie processed diet.
Is a free metabolic age calculator accurate?
A free calculator using the Mifflin-St Jeor formula is accurate within ±5–8%. It is less precise than a DEXA scan but more accessible and useful for tracking progress over time. Accuracy improves if you include body fat percentage in the inputs.

Alat ini hanya untuk tujuan pendidikan dan tidak menggantikan saran medis profesional.