Usman

Founder Health Researcher

Usman is the founder of Metabolic Age Calculator and a health & fitness researcher focused on metabolic health, BMR science, and evidence-based wellness. His mission is to make complex metabolic data accessible to everyone — free, instant, and jargon-free.

Metabolic AgeBMR & RMRBody CompositionEvidence-based FitnessWeight Management
4
Articles published
14
Topics covered
Metabolism
Focus area

All articles by Usman

BMR Calculator to Lose Weight
BMRBMR calculator

BMR Calculator to Lose Weight

Use a BMR calculator to lose weight effectively. Learn to calculate your BMR, set the right calorie deficit, and build a science-backed fat-loss plan.

· 9 min read
How Do Smart Scales Calculate BMR?
BMRsmart scale

How Do Smart Scales Calculate BMR?

Smart scales use BIA to estimate body composition and calculate your BMR. Learn the science, the formulas, accuracy limits, and tips for better readings.

· 11 min read
BMR vs RMR: Which One Matters?
BMRRMR

BMR vs RMR: Which One Matters?

BMR and RMR both measure resting calorie burn — but they differ. Learn which formula is most accurate and which number to use for weight loss and metabolic age.

· 7 min read
How to Lower Your Metabolic Age
metabolic ageBMR

How to Lower Your Metabolic Age

Want a lower metabolic age? These 8 evidence-based strategies increase your BMR, build metabolic health, and drop your metabolic age in as little as 90 days.

· 6 min read

Want to know your metabolic age?

Use the free calculator Usman built — no sign-up, instant results.

Try the Free Calculator