Formula Used
This calculator uses an educational risk-index model. It is inspired by common cardiovascular risk factors. It is not the official NHS, NICE, or QRISK formula.
- BMI: weight kg ÷ height metres².
- Cholesterol ratio: total cholesterol ÷ HDL cholesterol.
- Risk index: intercept + age factor + sex factor + smoking factor + condition factors + blood pressure factor + cholesterol factor + BMI factor + lifestyle factors.
- Estimated risk: 100 ÷ (1 + e-risk index).
- Heart age: age that gives a similar risk under healthier comparison values. Those values use no smoking, systolic pressure near 120, cholesterol ratio near 3.5, BMI near 23, and active exercise.
How to Use This Calculator
- Enter your age, sex at birth, and ethnicity option.
- Add height and weight to calculate BMI.
- Enter recent blood pressure and cholesterol readings.
- Select smoking, conditions, family history, exercise, and alcohol inputs.
- Press the calculate button. Results appear above the form.
- Download the result as CSV or PDF for your own notes.
Use real clinical readings when possible. Do not use this page to diagnose symptoms or decide medication.
Understanding Heart Age
Heart age turns risk numbers into a simple comparison. A result above your real age suggests that your current inputs may place extra strain on your cardiovascular system. A result below your real age suggests a healthier pattern. The number is only an estimate. It should encourage better questions, not create fear.
Why Inputs Matter
Age is a major driver of cardiovascular risk. It cannot be changed. Other factors can change. Blood pressure, cholesterol ratio, smoking, body weight, and activity levels often respond to careful habits and medical support. Diabetes, kidney disease, atrial fibrillation, and rheumatoid arthritis may also raise risk. These conditions need proper clinical management.
Using the Result Wisely
Look at the heart age gap first. Then study the focus areas. A high systolic pressure may point toward salt reduction, activity, weight control, or medicine review. A high cholesterol ratio may need diet changes or a lipid discussion. Smoking can strongly increase the estimate. Stopping is difficult, but support can make it possible.
Better Tracking
One result is only a snapshot. Repeat the calculator after fresh measurements. Keep your blood pressure readings, weight trend, and cholesterol values in one place. The download buttons help you save a simple record. Bring that record to a health check if you have concerns.
Important Limits
This page does not replace a clinical cardiovascular assessment. It does not include every medical variable. It cannot use postcode deprivation data in the same way as official systems. It also does not know your medicines, symptoms, pregnancy status, or full history. Seek urgent help for chest pain, sudden weakness, severe breathlessness, or stroke symptoms.
FAQs
1. Is this the official NHS heart age calculator?
No. This is an educational NHS-style calculator. It uses common risk inputs and an approximate scoring model. It does not reproduce the official NHS or QRISK algorithm.
2. Who should use this calculator?
It is designed for adults aged 30 to 95 without known cardiovascular disease. People with heart disease, stroke history, or complex conditions should use clinical advice instead.
3. What does heart age mean?
Heart age compares your estimated risk with a healthier reference profile. A higher heart age means the selected inputs may increase cardiovascular risk.
4. Why do cholesterol and HDL matter?
Total cholesterol divided by HDL gives a ratio. A higher ratio can indicate less favorable blood fat balance and may increase cardiovascular risk.
5. Can I use guessed values?
You can enter estimates, but measured values are better. Guessed blood pressure or cholesterol numbers can make the result misleading.
6. Does a high result mean I need medicine?
No. Medicine decisions need a clinician. A high estimate means you should consider a proper cardiovascular risk review.
7. Why is postcode not calculated exactly?
Official systems may use local health statistics. This standalone page cannot safely reproduce that dataset, so it uses a simple known or unknown option.
8. How can I lower my estimated heart age?
Stopping smoking, improving blood pressure, managing cholesterol, staying active, and reaching a healthier weight can reduce many modifiable risk inputs.