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Metabolic Age Calculator

Discover if your metabolism is younger or older than your actual age

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Your current body weight

Your height in centimeters

Your chronological age

Biological sex for BMR calculation

Your typical physical activity level

Part of the Weight Loss Toolkit

Supporting tool in a collection of 23 curated tools for weight loss

Part of the Thyroid Health Toolkit

Core tool in a collection of 19 curated tools for thyroid health

About This Tool

Calculate your metabolic age based on your Basal Metabolic Rate (BMR). Metabolic age compares your metabolism to the average BMR of people in different age groups. A younger metabolic age means your body burns calories more efficiently than average for your chronological age, while an older metabolic age suggests a slower metabolism. Learn how to improve your metabolic health through diet, exercise, and lifestyle changes.

Frequently Asked Questions

What is metabolic age?
Metabolic age is a measure that compares your Basal Metabolic Rate (BMR) to the average BMR of people in different age groups. If your metabolic age is lower than your chronological age, it means your metabolism is more efficient than average for your age. If it's higher, your metabolism may be slower than average.
How is metabolic age calculated?
We calculate your BMR using the Mifflin-St Jeor equation, then compare it to average BMR values for different ages. Your metabolic age is the age where the average BMR matches your calculated BMR. This gives an estimate of whether your metabolism is younger, older, or similar to your actual age.
Can I improve my metabolic age?
Yes! Building muscle through strength training, eating adequate protein, staying hydrated, getting quality sleep, and managing stress can all help improve your metabolic age. Muscle tissue burns more calories at rest than fat tissue, so increasing muscle mass is particularly effective.
Is metabolic age the same as biological age?
Metabolic age is one component of biological age, which is a broader measure of how old your body seems based on various biomarkers. While metabolic age focuses specifically on metabolism, biological age considers multiple factors including cellular health, inflammation, and organ function.

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