Sport & Fitness

Calculate BB projectile energy in Joules. Verify field legality for CQB and outdoor sites with instant...

Discover your maximum natural lean body mass potential using Casey Butt's anthropometric models. Compare your stats...

Optimize your running technique. Calculate ideal stride length and cadence based on speed and height. Includes...

Determine optimal heart rate zones for fat oxidation and endurance. Supports Karvonen, Tanaka, and Fox formulas...

Aesthetic physique calculator based on the Golden Ratio and McCallum's formula. Calculates ideal measurements for bodybuilding...

Calculates caloric surplus requirements for muscle hypertrophy or mass gain. Features clean vs. dirty bulk projections...

Evaluate body composition beyond standard BMI. Calculates FFMI and Waist-to-Height Ratio to distinguish muscular build from...

Calculate target heart rate zones for maximum fat oxidation using the Karvonen formula. Determine aerobic vs...

Calculate macronutrient splits specifically for fat loss while retaining muscle. Features 'Refeed Day' strategies and high-protein...

Calculate optimal TDEE and macro splits for muscle growth. Supports Lean Bulk vs. Dirty Bulk strategies...

Generate random functional fitness workouts (WODs) tailored to your equipment and time. Includes built-in AMRAP, EMOM,...

Visualize exactly which plates to load on an Olympic bar. Supports metric (kg) and imperial (lbs),...

Calculate safe weight cutting limits and identify target weight classes for MMA (UFC), Boxing (IBA), and...

Identify guaranteed profit opportunities by comparing odds from different bookmakers. Calculates stake distribution and ROI for...

A bodybuilding-focused tool for aggressive fat loss deficits. Includes a specialized 'Peak Week' carb manipulation schedule...

Calculate your running pace, total time, or distance for any race. Includes splits for 5k, 10k,...

Calculate BMR specifically for men using Mifflin-St Jeor and Harris-Benedict equations. Determine daily calorie needs based...