One Rep Max Calculator
Use this One Rep Max (1RM) Calculator to estimate the maximum weight you can lift for a single repetition based on the number of repetitions you can perform with a certain weight. For the most accurate estimate, please use a weight that you can lift between 1 and 10 times.
Estimated One Rep Max
Estimated Max Reps
Repetitions: 5, 10, 15, 20
0 kg, 0 kg, 0 kg, 0 kg
Repetitions Table
| Repetitions | Weight | % of 1RM |
|---|
One Rep Max Calculator
Estimate your maximum strength with this easy-to-use calculator! Simply enter the weight you can lift and the number of repetitions, and it will predict your one-rep max (1RM)—the heaviest weight you can lift for a single repetition. Choose between different formulas (Epley, Brzycki, Lombardi) and units (kg/lb), and get a detailed breakdown of estimated weights for various rep ranges. Perfect for tracking progress and optimizing your workouts! 💪🔥
Features:
✔️ Gender-specific calculations
✔️ Multiple 1RM formulas
✔️ Repetition percentage table
✔️ Vibrant, engaging design
Try it now and push your limits! 🚀