About Lift and Measure

Lift and Measure is a small, independently run site with one job: give lifters and runners a fast, accurate answer to a training or body composition question without making them sign up, install anything, or dig through a cluttered page to find it.

It was built because so many fitness calculator sites bury a simple tool under walls of ads, autoplay video, and pop-ups before you can even see the input field. Every tool here loads quickly, works on a phone as well as a desktop, and explains the formula behind the answer in plain language, so you can check the math yourself or learn something along the way.

The site covers ten tools split into two groups: body and composition (body fat, lean body mass, macros, TDEE and BMR, and calories burned) and performance and training (one-rep max, plate loading, running pace, heart rate zones, and Wilks score). All of them run directly in your browser. No data you enter is sent to a server or stored anywhere.

Every formula used on this site is a standard, published method, such as the Mifflin-St Jeor equation, the US Navy body fat method, the Boer lean body mass formula, and the original 1994 Wilks coefficient formula. None of these tools are a substitute for medical advice, and the Terms of Use page has more detail on that.

The site is supported by display advertising, which is what keeps every tool free to use and free of accounts. You can read more about how that works in the Privacy Policy.

Found an error in a formula or a reference value, or have an idea for a tool that should be added? Get in touch on the Contact page.