Health & NHS calculators
Prescription certificates, statutory sick pay and NHS help with costs.
14 calculators · cited to gov.uk · 2026/27
NHS prescription PPC: worth it? Compares paying per item against the 3-month, 12-month and HRT certificates, and names the cheapest. Statutory Sick Pay calculator SSP under the April 2026 rules: paid from day one, with the new low-earner floor. Free prescriptions checker Check every route to free NHS prescriptions, and what to claim. BMI calculator Calculate bmi calculator. Calorie (TDEE) calculator Calculate calorie (tdee) calculator. BMR calculator Calculate bmr calculator. Alcohol units calculator Calculate alcohol units calculator. Pregnancy due date calculator Calculate pregnancy due date calculator. NHS Low Income Scheme checker Calculate nhs low income scheme checker. NHS dental charges Calculate nhs dental charges. Waist-to-height ratio Calculate waist-to-height ratio. Water intake calculator Calculate water intake calculator. Ideal weight calculator Calculate ideal weight calculator. Cost of smoking calculator Calculate cost of smoking calculator.
Guides for health & nhs
Clear explanations of the rules behind these calculators, checked against gov.uk for 2026/27.