UK Health & Fitness 2026

Free, accurate tools for BMI, BMR, calorie intake, RPE, ABG, and more – with NHS guidelines.
Track your health with confidence – updated for 2026

BMI Calculator

Body mass index (NHS classifications)

Calculate

Blood Pressure

Check systolic & diastolic levels

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Weight Loss

Track how much weight you've lost

Calculate

FFMI Calculator

Fat-Free Mass Index

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IVF Due Date

Estimate IVF pregnancy due date

Calculate

NHS Pregnancy

Pregnancy due date & milestones

Calculate
Based on NHS guidelines Updated for 2026 100% Free • No registration

Why Britons trust our tools

Evidence‑based

Formulas from peer‑reviewed medical literature.

Updated for 2026

Reflects latest health guidelines.

Works on all devices

Track your health on the go.