Osteoporosis Risk Calculator
HealthGet a simplified osteoporosis risk score from age, sex, weight, family history, and lifestyle factors. An educational estimate, not a bone density scan or diagnosis.
Osteoporosis Risk Score
2
Maximum Possible Score
10
What is a Osteoporosis Risk?
The Osteoporosis Risk Calculator provides a simplified, educational risk score based on age, sex, weight, family history, and lifestyle factors commonly associated with osteoporosis risk in general health literature. It is not a diagnostic tool and does not replace a bone density scan (DEXA scan).
For weight-related context, see the BMI Calculator and Geriatric BMI Calculator.
How to use this Osteoporosis Risk calculator
- Enter your age and select your sex.
- Enter your weight in kilograms.
- Answer whether you have a family history of osteoporosis or hip fracture.
- Answer whether you're a current smoker.
- Answer whether you have low calcium/dairy intake and a sedentary lifestyle.
- Read your Osteoporosis Risk Score instantly, and discuss any concerns with your doctor.
Formula & Methodology
Points are awarded as follows: age 65+ (+3), age 50-64 (+2), age 40-49 (+1); female sex (+2); weight under 57 kg (+1); family history (+2); smoking (+1); low calcium intake (+1); sedentary lifestyle (+1), capped at a maximum of 10. Worked example — a 60-year-old woman weighing 55 kg, with a family history of osteoporosis, non-smoker, adequate calcium, active lifestyle: Points = 2 (age 50-64) + 2 (female) + 1 (weight under 57 kg) + 2 (family history) = 7 out of 10 This reflects several commonly cited risk factors present — a useful prompt to discuss bone health screening with a doctor, not a diagnosis.
Frequently Asked Questions
Osteoporosis is a condition where bones become weaker and more porous over time, increasing the risk of fractures, particularly in the hip, spine, and wrist. It develops gradually and often has no symptoms until a fracture occurs.
Common contributing factors include older age, being female (especially post-menopause), lower body weight, a family history of osteoporosis or hip fracture, smoking, low calcium intake, and a sedentary lifestyle without regular weight-bearing exercise.
This calculator awards points across age, sex, weight, family history, smoking status, calcium intake, and activity level, based on factors commonly associated with higher osteoporosis risk in general health literature, summing to a score out of 10.
No — this calculator provides a simplified educational risk estimate based on lifestyle and demographic factors only. A bone density scan (DEXA scan) is the clinical test used to actually measure bone mineral density and diagnose osteoporosis.
Women, particularly after menopause, generally experience more rapid bone density loss due to the drop in estrogen, which is why sex is commonly included as a risk factor in osteoporosis risk assessment tools.
Lower body weight is generally associated with lower bone mass and less mechanical loading on bones over time, both of which are commonly cited factors in osteoporosis risk assessment.
Consider discussing bone health with your doctor, who may recommend a bone density scan or other clinical evaluation — this calculator is an educational starting point for that conversation, not a diagnostic tool.
Factors like regular weight-bearing exercise, adequate calcium and vitamin D intake, and not smoking are commonly associated with better bone health, though any specific recommendations should come from your healthcare provider based on your individual situation.
Screening recommendations vary by guideline and individual risk factors; many guidelines suggest discussing bone density screening with a doctor starting around menopause for women or based on individual risk factors for others — your doctor can advise on timing specific to you.
The [BMI Calculator](/bmi-calculator/) assesses weight relative to height for general weight category classification, while this calculator focuses specifically on osteoporosis-related risk factors, of which body weight is only one component.
Also known as