Find the Perfect Calculator for Your Training
Whether you're calculating your one rep max, planning training percentages, estimating calorie burn, or learning about different formulas, we have specialized tools for every aspect of deadlift training.
1RM Calculators
Estimate max strength
Rep Max Tools
Different rep ranges
Calorie Burn
Workout energy expenditure
Formula Guide
Learn calculation methods
🧮 Main Calculator
Deadlift 1RM Calculator
Calculate your one rep max using 7 proven formulas, get training percentages, and estimate calorie burn.
Perfect for general strength training and powerlifting
💪 Rep Max Calculators
Specialized calculators for different rep ranges used in various training programs.
3 Rep Max Calculator
Starting Strength, powerlifting
Calculate max strength for 3-rep sets
5 Rep Max Calculator
5/3/1, StrongLifts programs
Most popular rep range calculator
8 Rep Max Calculator
Hypertrophy training
Muscle building rep range
10 Rep Max Calculator
Endurance training
Muscular stamina focus
12 Rep Max Calculator
High endurance
Functional fitness training
🧮 1RM Formula Explanations
Learn about the different mathematical formulas used to calculate one rep max.
Epley Formula
Most popular method
Weight × (1 + Reps÷30)
Brzycki Formula
Conservative estimates
Weight × (36÷(37-Reps))
Lander Formula
Olympic research
Based on weightlifting studies
Lombardi Formula
Powerlifter favorite
Weight × Reps^0.10
Mayhew Formula
Higher rep ranges
For 8+ rep calculations
O'Conner Formula
Similar to Epley
Weight × (1 + Reps÷40)
Wathan Formula
Research-based
Exponential decay model
Compare All Formulas
Side-by-side comparison
See which formula works best for you
🔥 Calorie Burn Calculators
Estimate calories burned during strength training and track your workout energy expenditure.
Simple Calorie Calculator
Built into the main 1RM calculator. Enter your body weight to see calories burned per set.
Perfect for quick estimates during workout planning
Use Main Calculator →Advanced Calorie Calculator
Complete workout analysis with multiple sets, different exercises, and rest periods.
For detailed session planning and tracking
Advanced Calculator →