Calculates your One-Rep Max (1RM) to tailor HIIT and interval training to your fitness level.

Input your weight and the number of reps you can perform for a specific exercise to get your 1RM.

Enter your numbers above

Knowing your 1RM helps you scale workouts appropriately, manage recovery, and prevent burnout in high-intensity training.

Examples for HIIT & Interval Training

Beginner kettlebell HIIT workout
One-Rep Max (1RM): 40 lbs
This 1RM indicates the maximum weight you can lift for one repetition, helpful for scaling your kettlebell workouts.
Intermediate bodyweight HIIT session
One-Rep Max (1RM): 30 lbs
Even without weights, bodyweight exercises can help assess strength capability for high-intensity training.
Advanced EMOM workout
One-Rep Max (1RM): 65 lbs
A higher 1RM is essential for advanced EMOM workouts to maximize intensity and effectiveness.
Tabata training session
One-Rep Max (1RM): 50 lbs
Understanding your 1RM helps in structuring Tabata workouts for varied intensity and recovery.
AMRAP circuit training
One-Rep Max (1RM): 75 lbs
A calculated 1RM aids in ensuring proper scaling for AMRAP workouts, maintaining safety and effectiveness.

Understanding 1RM

One-Rep Max (1RM) is the maximum amount of weight you can lift for one complete repetition of a given exercise. It serves as a baseline for determining workout intensity and helps in setting appropriate training loads.

Importance for HIIT Training

In HIIT and interval training, managing intensity is crucial to prevent burnout. Knowing your 1RM aids in selecting weights that challenge you effectively while allowing adequate recovery between high-intensity bursts.

Scaling for Group Workouts

When leading group HIIT sessions, it’s important to scale workouts for varying fitness levels. Utilizing the 1RM can help participants understand their limits and modify exercises accordingly for safety and effectiveness.

Tips for HIIT & Interval Training

  1. Always warm up before testing your 1RM to prevent injuries.
  2. Consider using lighter weights and increasing gradually to find your true 1RM.
  3. Incorporate active recovery days to enhance performance in HIIT workouts.
  4. Use your 1RM to structure your workouts around different heart rate zones for optimal results.

Track all your hiit & interval training metrics in FirstRep. Start free with up to 3 clients.

Frequently Asked Questions

What is 1RM?

1RM stands for One-Rep Max, the maximum weight you can lift for a single repetition of an exercise, crucial for determining workout intensities.

How often should I calculate my 1RM?

It’s advisable to reassess your 1RM every few months to ensure your training program stays aligned with your current fitness level and goals.

Can I use bodyweight exercises for 1RM calculations?

Yes, you can use bodyweight exercises; just consider your body weight as a factor in determining your maximum effort.