Science-Backed Nutrition. Clean Products. Free Health Tools.

Search

Search

Longevity Profile

Fields marked * are required

Language / भाषा
Calculated securely in your browser, no health data is stored.
Basic Profile
Digital Biomarkers
Functional Capacity
⚠️ Safety first: Do the balance test near a wall or sturdy chair for support. Do not attempt it if you feel dizzy, or have a recent injury, severe weakness, neuropathy, vertigo, or a high risk of falling.
Stand on one leg, eyes open, unsupported
Clinical Vitals (Optional, improves accuracy)
AGING METRICS
,
Chronological
,
Pace of Aging
,
Resilience Score
ESTIMATED BIOLOGICAL AGE
,
Lifestyle and functional ageing-risk estimate. Not a DNA-methylation, diagnostic, or clinical PhenoAge test.
Complete the assessment above

SUPPORT HEALTHIER AGEING

Get a Clinical
Longevity Plan

Improve your ageing-risk markers with a personalised plan, clinical nutrition, targeted macros & functional movement, built for the Indian lifestyle.

  • ✅ Personalised Indian meal plan for healthier ageing
  • ✅ Metabolic health & glycemic control
  • ✅ Functional movement protocols
  • ✅ 1-on-1 with a Registered Dietitian
🎯 Book Consultation →

Free 15-min discovery call  ·  No obligation

EXPLORE MORE TOOLS

8+ free calculators
Calorie Deficit ToolSafe fat loss timeline & macros
POPULAR
Smart Health CalculatorBMI, BMR & TDEE all-in-one
Glycemic Load CalculatorManage blood sugar & fight AGEs
Framingham Risk Score10-year cardiovascular risk score
NEW View all DietXP tools →
About this tool

This calculator estimates your lifestyle-linked biological-age risk, ageing pace, and resilience score from research-linked metabolic, lifestyle, and functional markers: daily steps, sleep, vigorous exercise, the one-leg balance test and walking pace, plus optional clinical vitals. It is inspired by the PhenoAge and DunedinPACE concepts, not a clinical PhenoAge or DNA-methylation clock, and it applies ICMR-NIN 2024 BMI cut-offs tuned for the Indian phenotype. It is an educational estimate, not an epigenetic DNA-methylation test or a medical diagnosis.

Frequently Asked Questions

What is biological age and how is it different from chronological age?

Chronological age is simply how many years you have been alive. Biological age, also called phenotypic age, reflects how old your body actually functions at a cellular and systems level. Two people who are both 45 years old can have biological ages of 38 and 55 respectively depending on their lifestyle, metabolic health, sleep, and physical function. Biological-age and phenotypic-age models may provide additional insight into health risk beyond chronological age, especially when based on validated clinical or molecular biomarkers.

How accurate is DietXP's Biological Age Calculator?

DietXP's calculator uses a phenotypic and functional biomarker algorithm inspired by Levine's PhenoAge clinical-biomarker model and the DunedinPACE pace-of-aging concept. It is not an epigenetic DNA methylation clock. It scores digital and functional biomarkers individually linked to all-cause mortality risk in peer-reviewed studies, then combines them into a single estimate. Treat the result as a clinically-grounded estimate, not a diagnostic test.

What is Pace of Aging?

Pace of Aging here is your biological age divided by your chronological age, 0.85x means your biological age currently sits 15% below your calendar age. It is presented in the style of the DunedinPACE epigenetic clock (Belsky et al.), which measures true aging rate from DNA methylation tracked over years. Since this tool works from a single check-in rather than longitudinal lab data, treat the ratio as a directional snapshot, not a clinically validated pace-of-aging measurement.

Can lifestyle really change biological-age markers?

The markers this tool uses are modifiable, and improving them is associated with healthier ageing, though no lifestyle tool can promise a specific "reversal" of biological age. Evidence-supported habits: meeting activity guidelines (≥150-300 min moderate or 75-150 min vigorous per week), regular 7-8 hour sleep, a healthy BMI for your body type, and eating vegetables/protein before carbohydrates to blunt post-meal glucose spikes.

Is this a real epigenetic (DNA-methylation) age test?

No. This is a lifestyle and functional biomarker estimate. A true epigenetic clock (such as DunedinPACE or PhenoAge in its lab form) requires a DNA-methylation reading from a blood or saliva sample analysed in a laboratory. This tool is inspired by those frameworks but computes a point-based estimate from habits and functional tests, so treat it as directional, not diagnostic.

Why does the BMI cut-off differ for Indians?

People of South Asian descent tend to carry more body fat and visceral fat at a given BMI, so cardiometabolic risk rises at a lower BMI. This tool follows the Asian-Indian consensus (Misra et al., 2009): overweight begins at 23 and the obesity action point is 25, rather than the WHO global 25/30 bands.

How often should I repeat this assessment?

Every 8-12 weeks is reasonable if you're actively working on sleep, steps, activity, or weight, that's long enough for habit changes to show up in the inputs. Re-checking more often than monthly rarely tells you anything new, since this is an estimate rather than a precise measurement.

Why does the One-Leg Balance Test matter for longevity?

A study by Araujo et al. (BJSM) found adults who couldn't hold a 10-second one-legged stance had an 84% higher all-cause mortality risk over 7 years. The test reflects functional capacity, balance control, proprioception, and musculoskeletal stability. It is associated with survival risk in middle-aged and older adults, but it is not a standalone neurological test.

⚕️ For educational purposes only, and intended for adults aged 18 and above. This tool provides a lifestyle-based, phenotypic and functional age estimate, not an epigenetic DNA-methylation test, and not a medical diagnosis. Individual health trajectories vary. If you have diabetes, heart, kidney or liver disease, are pregnant, have active cancer, severe obesity, unexplained weight loss, or take regular medication, treat the result as educational only. Always consult your healthcare provider or a registered clinical dietitian before making significant changes to your diet or exercise routine.

JOIN THE COMMUNITY

Science-backed tips for better energy & performance + exclusive monthly offers.

By subscribing, you agree to receive DietXP nutrition tips, product updates, and offers. You can unsubscribe at any time.

Call Us WhatsApp Us Product Support

© 2026 NUTRI SPACE. All Rights Reserved.

FSSAI License No. 12725999000356 | GST No. 09ERPPS7450N1ZM

DietXP products, health calculators, articles, diet plans, and website content are intended for general wellness and nutrition education only. They are not intended to diagnose, treat, cure, or prevent any disease, and should not replace medical advice, diagnosis, or treatment. Please consult a qualified healthcare professional before starting any nutrition, fitness, supplement, or wellness programme, especially if you are pregnant, nursing, taking medication, have a medical condition, or are under medical supervision. Please refer to individual product labels for complete ingredients, usage directions, warnings, and suitability.

Edit option