Clinical calculators and tools

Clinical Calculators

Links to clinical calculators commonly used in primary care.

Enter height and weight to calculate body mass index (BMI).

Enter height and weight to calculate body surface area (BSA).

Enter age and serum creatinine
level to calculate creatinine clearance.

Enter age and serum creatinine level to calculate estimated glomerular filtration rate (eGFR).

Enter the date of last period to calculate expected delivery date and number of weeks' gestation.

Enter a baby's date of birth to calculate his or her age in weeks.

Enter details of patient's risk factors to calculate the risk of cardiovascular disease.

Enter patient’s questionnaire responses to assess physical activity levels.

Enter patient’s symptoms and risk factors to estimate the likelihood of an undiagnosed cancer.

Enter details of patient’s risk factors to calculate the 10-year probability of fracture.

Urine albumin: creatinine ratio (ACR), protein: creatinine ratio (PCR), and degree of renal impairment.

Enter glycated haemoglobin
( HbA _1c ) value in % to convert to mmol/mol, and vice versa.

Convert metric values to imperial, and vice versa.

Standard reference intervals for urea and electrolytes.