Last updated: January 2025
UK Fitness Tools is committed to your privacy. All fitness calculators on this site run entirely in your browser — nothing you enter is sent to any server or stored anywhere.
Every calculation runs locally in your browser. Health and fitness data (weight, measurements, times) is never transmitted, stored or shared.
We use browser localStorage only to remember your light/dark theme preference. This data never leaves your device.
We use Google Analytics (anonymised, aggregated) to understand site usage. Opt out via Google's opt-out tool.
We display ads via Google AdSense and Adsterra. These networks may use cookies for personalised ads. Manage via Google Ad Settings.
Some pages include Amazon affiliate links. We earn a small commission on qualifying purchases at no extra cost to you.
If you subscribe via our email form, your address is stored with Kit (ConvertKit). Unsubscribe anytime via any email. We never sell email addresses.
UK Fitness Tools provides informational calculators only. Nothing constitutes medical or fitness advice. Always consult a qualified professional for health decisions.
Privacy questions: privacy@ukfitnesstools.co.uk