Calculadora gratuita de repetición máxima (1RM)
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One Rep Max Calculator

Please note that the results given from this calculator are approximate and may not be entirely accurate. Always consult a fitness expert or trainer for personalized advice.

How to Use the One Rep Max Calculator

Using our One Rep Max calculator is straightforward! Just follow these simple steps:

  1. Enter the weight you lifted in pounds (lbs).
  2. Enter the number of repetitions (reps) you performed at that weight.
  3. Click the "Calculate One Rep Max" button to see your results.

The calculator will display an estimate of your One Rep Max based on the Epley formula. This estimate can help you understand your strength levels and plan your workouts more effectively.

Common Questions About One Rep Max

What is a One Rep Max?

One Rep Max (1RM) is the maximum amount of weight you can lift for one repetition of a given exercise. It is a common measure of strength in weightlifting and can help you assess your progress and set appropriate training loads.

How is the One Rep Max calculated?

There are several formulas for calculating 1RM, but one of the most widely used is the Epley formula: 1RM = Weight × (1 + Reps / 30). This formula provides a good estimate of your maximum lifting capacity based on the weight you lifted and the number of repetitions performed.

Why should I know my One Rep Max?

Knowing your 1RM can help you tailor your workout program to your specific strength levels. It allows you to set appropriate weights for various exercises, ensuring you train effectively without risking injury. Additionally, tracking your 1RM over time can help you monitor your progress and adjust your training regimen as needed.

Tips for Accurate One Rep Max Calculation

To get the most accurate estimate of your One Rep Max, keep the following tips in mind:

  • Perform the exercise with proper form to avoid injury and ensure accurate results.
  • Use a spotter if you are attempting a heavy lift to ensure your safety.
  • Warm up properly before attempting your 1RM to prepare your muscles and joints.
  • Record your weight and reps accurately for consistent tracking over time.