Free Fitness Tools & Calculators
Professional-grade calculators used by thousands of lifters. Get instant results without creating an account.
TDEE Calculator
Calculate your Total Daily Energy Expenditure. Find your maintenance, cutting, and bulking calories.
Use ToolMacro Calculator
Get your optimal protein, carb, and fat targets based on your goals and activity level.
Use Tool1RM Calculator
Estimate your one-rep max from any weight and rep combination. Uses Epley, Brzycki, and Lander formulas.
Use ToolVolume Calculator
Calculate your weekly training volume per muscle group. Track sets against MEV/MAV/MRV landmarks.
Use ToolWorkout Generator
Generate customized workout plans based on your goals, equipment, and available time.
Use ToolBMI & Body Fat
Calculate your BMI and body fat percentage using the Navy method. Track body composition progress.
Use ToolWant AI-Powered Training?
These calculators are great for quick estimates. But Arvo's AI tracks your 1RM automatically, adjusts every set in real-time, and manages your volume across training cycles.
Try Arvo Free