UD5 Toolkit
Random Bodyweight Workout Generator - Online No‑Equipment
Get a random, no‑equipment workout with exercises, reps, and rest. Perfect for home fitness. Local algorithm.
Tag: Fitness & Exercise Calculators
4+ toolsBody Fat Percentage Estimator - Online US Navy & Covert Bailey Method
Estimate body fat percentage using neck, waist, hip (if female) measurements. Supports US Navy, Covert Bailey, and 3-site skinfold methods. No data sent to server.
One Rep Max (1RM) Calculator - Online Strength Trainer Tool
Calculate your one-rep max using Epley, Brzycki, Lombardi or O'Conner formulas. Predict maximum lifting capacity and plan progressive overload. 100% local processing.
Body Measurement Tracker - Online Fitness Progress Logger
Log neck, chest, waist, hip, and limb measurements over time. See changes on a chart. All data stored locally.