Rep Range Calculator

Calculate optimal rep ranges based on your training goal.

Inputs

Results

Enter your 1RM to get recommendations

Note: These recommendations are general guidelines. Adjust based on your fitness level and goals.

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How the Rep Range Calculator Works

Strength: 1-5 reps (85-100% 1RM), Hypertrophy: 6-12 (65-85%), Endurance: 12-20 (50-65%)

Different rep ranges target different muscle adaptations. This calculator helps you choose the right range for your goal and calculates suggested weight based on your 1RM.

  1. 1

    Set Goal

    Choose your goal (strength, hypertrophy, endurance)

  2. 2

    Enter 1RM

    Input the maximum weight you can lift for one rep

  3. 3

    View Recommendations

    The tool shows rep ranges and suggested weights

Use Cases

Workout Programming

Determine reps and weights for each exercise

Changing Goals

Transition from a strength program to hypertrophy or vice versa

Variety

Change rep ranges periodically to avoid plateaus

Tips

  • 1

    For max strength: 1-5 reps with heavy weights

  • 2

    For hypertrophy: 6-12 reps with moderate-heavy weights

  • 3

    For endurance: 12-20 reps with light-moderate weights

  • 4

    Vary ranges every 4-6 weeks for continuous progress

Common Mistakes

  • Always using the same rep range

  • Choosing a range that doesn't match your goal

  • Ignoring the importance of appropriate weight for each range

  • Not reaching muscle failure on the last set

Frequently Asked Questions

Which range is best for building muscle?
6-12 reps is best for hypertrophy, but variety is beneficial.
Can I build muscle with high reps?
Yes, if you reach muscle failure, but it's less efficient.
How much rest between sets?
For strength: 3-5 minutes, for hypertrophy: 1-2 minutes, for endurance: 30-60 seconds.

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