Fitness & Sports

Estimate calories burned cycling based on speed, duration, weight, and terrain — uses MET values from the Compendium of Physical Activities.

Estimate calories burned swimming based on stroke, intensity, duration, and weight — uses MET values from the Compendium of Physical Activities.

Calculate your daily protein needs based on body weight, activity level, and fitness goal — with per-meal breakdown and food equivalents.

Estimate body fat percentage using the U.S. Navy method — fat mass, lean mass, and fitness category.

Calculate running pace, finish time, or distance — supports km and miles with split table.