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Max Bench Press Rep Calculator

Max Reps Estimation Formula:

\[ Reps = 30 \times (1 - \frac{weight}{1RM}) \]

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1. What is the Max Bench Press Rep Calculator?

The Max Bench Press Rep Calculator estimates how many repetitions you can perform at a given weight based on your one-rep maximum (1RM). This helps in planning workout intensity and volume.

2. How Does the Calculator Work?

The calculator uses the following formula:

\[ Reps = 30 \times (1 - \frac{weight}{1RM}) \]

Where:

Explanation: The formula estimates that at 100% of your 1RM you can do 1 rep, at 70% you can do about 9 reps, and at 50% you can do about 15 reps.

3. Importance of Rep Estimation

Details: Knowing your estimated rep max helps in designing training programs with appropriate intensity for different goals (strength, hypertrophy, endurance).

4. Using the Calculator

Tips: Enter the weight you want to lift and your current 1RM. Both values must be in the same units (kg or lbs). The weight must be less than or equal to your 1RM.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is this estimation?
A: It provides a rough estimate. Actual performance may vary based on fatigue, training specificity, and individual factors.

Q2: Can I use this for other exercises?
A: The formula was designed for bench press. Other exercises may have different rep max relationships.

Q3: What if my actual reps differ from the estimate?
A: This could indicate your 1RM needs updating or that you're more endurance- or strength-biased than average.

Q4: Should I test my actual max reps?
A: For precise programming, occasionally testing your actual rep max at various percentages is recommended.

Q5: How often should I retest my 1RM?
A: Typically every 4-8 weeks, depending on your training phase and progress.

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