5/3/1 Calculator

The 5/3/1 calculator helps you plan your strength training using Jim Wendler’s 5/3/1 program by calculating your Training Max and weekly lifting weights for Squat, Bench Press, Deadlift, and Overhead Press.

Calculate Your 5/3/1 Weights

Workout plan for the selected lift based on your Training Max. The last set is an AMRAP (As Many Reps As Possible) set, aim for more reps if possible.

Week	Set 1	Set 2	Set 3 (Main Set)
Week 1 (5s)	–	–	–
Week 2 (3s)	–	–	–
Week 3 (5/3/1)	–	–	–
Week 4 (Deload)	–	–	–

What is a 5/3/1 Calculator?

A 5/3/1 calculator is a tool designed to help individuals plan their strength training based on Jim Wendler’s 5/3/1 program. This program is a popular and effective method for increasing strength in core lifts like the squat, bench press, deadlift, and overhead press. The 5/3/1 calculator takes your one-rep max (1RM) or an estimated 1RM for these lifts and a chosen Training Max percentage (typically 85-90%) to calculate your “Training Max” (TM). It then uses this TM to determine the specific weights you should lift for each set and rep scheme across the program’s four-week cycles.

The program is structured around three main weeks of increasing intensity, followed by a deload week. The 5/3/1 calculator provides the exact weights for each week: Week 1 (5s week), Week 2 (3s week), Week 3 (5/3/1 week), and Week 4 (deload). This systematic approach ensures progressive overload while managing fatigue.

Who Should Use It?

The 5/3/1 program and its calculator are suitable for intermediate to advanced lifters who are looking for a structured, long-term strength-building program. It’s less ideal for absolute beginners who might benefit more from linear progression programs initially. Anyone who wants to get stronger in the main compound lifts and prefers a pre-planned, percentage-based system will find the 5/3/1 calculator useful.

Common Misconceptions

A common misconception is that 5/3/1 is only about the main lifts and low reps. While the core of the program focuses on the main lifts with specific rep schemes, Wendler emphasizes the importance of assistance work, conditioning, and mobility. The “5/3/1” refers to the reps in the last, heaviest set of the first three weeks, but the program is more comprehensive. Another misconception is that the Training Max is your actual 1RM; it’s intentionally set lower to allow for consistent progress and avoid frequent stalling. Using a 5/3/1 calculator helps clarify these percentages.

5/3/1 Calculator Formula and Mathematical Explanation

The core of the 5/3/1 program revolves around your Training Max (TM) and percentages of this TM for your working sets. The 5/3/1 calculator uses these steps:

1. Calculate Training Max (TM): First, the calculator determines your TM for each lift (Squat, Bench, Deadlift, Overhead Press) based on your input 1RM and the chosen TM percentage:

   Training Max (TM) = One-Rep Max (1RM) * (TM Percentage / 100)

2. Calculate Weekly Weights: The weights for each set during the 4-week cycle are calculated as percentages of the TM:
   • Week 1 (5s): Set 1 = TM * 0.65 (5 reps), Set 2 = TM * 0.75 (5 reps), Set 3 = TM * 0.85 (5+ reps – AMRAP)
   • Week 2 (3s): Set 1 = TM * 0.70 (3 reps), Set 2 = TM * 0.80 (3 reps), Set 3 = TM * 0.90 (3+ reps – AMRAP)
   • Week 3 (5/3/1): Set 1 = TM * 0.75 (5 reps), Set 2 = TM * 0.85 (3 reps), Set 3 = TM * 0.95 (1+ reps – AMRAP)
   • Week 4 (Deload): Typically Set 1 = TM * 0.40 (5 reps), Set 2 = TM * 0.50 (5 reps), Set 3 = TM * 0.60 (5 reps) – no AMRAP.

   The “+” in the last set of weeks 1-3 indicates “As Many Reps As Possible” (AMRAP), where you push for more reps than the prescribed minimum if you can do so with good form.

The 5/3/1 calculator automates these calculations for your main lifts.

Variables Table

Variable	Meaning	Unit	Typical Range
1RM	One-Rep Max (your max weight for 1 rep)	kg or lbs	Varies by lift and individual
TM %	Training Max Percentage	%	85 – 90
TM	Training Max	kg or lbs	85-90% of 1RM
Week 1-4 Percentages	Percentage of TM for each set	%	40 – 95

Practical Examples (Real-World Use Cases)

Example 1: Intermediate Lifter – Bench Press

An intermediate lifter has a Bench Press 1RM of 100 kg and decides to use a 90% Training Max percentage.

• 1RM: 100 kg
• TM Percentage: 90%
• Training Max (TM): 100 kg * 0.90 = 90 kg

Using the 5/3/1 calculator with these inputs for the Bench Press:

• Week 1 (5s): 58.5 kg x 5, 67.5 kg x 5, 76.5 kg x 5+
• Week 2 (3s): 63 kg x 3, 72 kg x 3, 81 kg x 3+
• Week 3 (5/3/1): 67.5 kg x 5, 76.5 kg x 3, 85.5 kg x 1+
• Week 4 (Deload): 36 kg x 5, 45 kg x 5, 54 kg x 5

The lifter aims to get more than 5, 3, or 1 reps on the last set of weeks 1, 2, and 3, respectively.

Example 2: Advanced Lifter – Squat

An advanced lifter has a Squat 1RM of 200 kg and opts for an 85% Training Max to focus on volume and bar speed initially.

• 1RM: 200 kg
• TM Percentage: 85%
• Training Max (TM): 200 kg * 0.85 = 170 kg

The 5/3/1 calculator for the Squat would show:

• Week 1 (5s): 110.5 kg x 5, 127.5 kg x 5, 144.5 kg x 5+
• Week 2 (3s): 119 kg x 3, 136 kg x 3, 153 kg x 3+
• Week 3 (5/3/1): 127.5 kg x 5, 144.5 kg x 3, 161.5 kg x 1+
• Week 4 (Deload): 68 kg x 5, 85 kg x 5, 102 kg x 5

How to Use This 5/3/1 Calculator

1. Enter Your 1RMs: Input your current one-rep max (or a good estimate) for Squat, Bench Press, Deadlift, and Overhead Press in the respective fields. If you don’t know your 1RM, you can use a 1RM calculator based on reps to failure with a submaximal weight.
2. Set Training Max Percentage: Choose the percentage of your 1RM you want to use as your Training Max. 90% is common, but 85% can be better for starting or focusing on volume.
3. Select Lift: Choose which lift (Squat, Bench, Deadlift, Overhead) you want to see the detailed weekly plan for.
4. Select Unit: Choose whether your weights are in kg or lbs.
5. Calculate: Click “Calculate” or simply change any input value.
6. Review Results: The calculator will show:
   • Your Training Max for all four lifts.
   • A table with the weights and reps for each set of the 4-week cycle for your selected lift.
   • A chart visualizing the main set weights and your Training Max.
7. Plan Your Training: Use the table to know exactly what weights to load for your main lifts each week. Remember to add appropriate warm-ups before your working sets and include assistance exercises as recommended by the 5/3/1 program.
8. Use the “Copy Results” Button: Easily copy your training maxes and the weekly plan for the selected lift to paste into your notes or training log.

After completing a 4-week cycle, you typically increase your Training Max (not your 1RM) by a small amount (e.g., 2.5 kg/5 lbs for upper body lifts, 5 kg/10 lbs for lower body lifts) and start the next cycle with the new TM, using the 5/3/1 calculator again.

Key Factors That Affect 5/3/1 Results

Several factors influence the effectiveness of the 5/3/1 program and the results you get from using the 5/3/1 calculator:

• Starting Training Max (TM): Setting the TM too high (above 90% of 1RM) can lead to early plateaus and burnout. Starting with 85-90% allows for more consistent progress over many cycles.
• AMRAP Set Performance: How hard you push the final “As Many Reps As Possible” (AMRAP) sets significantly impacts strength and hypertrophy gains. Striving for more reps with good form is crucial.
• Assistance Work: The 5/3/1 program isn’t just the main lifts. Proper selection and execution of assistance exercises (like dips, chin-ups, rows, lunges) address weaknesses and build muscle, supporting main lift progress.
• Recovery (Sleep and Nutrition): Adequate sleep (7-9 hours) and proper nutrition (sufficient calories and protein) are vital for muscle repair, growth, and energy levels to sustain the training. Poor recovery hinders progress regardless of the program.
• Consistency: Adhering to the program week after week, cycle after cycle, is key. Missing workouts or frequently changing the program will reduce its effectiveness. The 5/3/1 calculator helps maintain this consistency.
• Deload Weeks: Taking the deload week seriously allows your body to recover, reducing the risk of overtraining and injury, and preparing you for the next cycle of heavier lifting.
• Form and Technique: Maintaining proper lifting form is essential for safety and efficiency. Poor form can lead to injury and limit strength gains.
• Progression After Cycles: After each 4-week cycle, modestly increasing your Training Maxes (e.g., 2.5kg/5lb for upper, 5kg/10lb for lower) is how you apply progressive overload long-term with 5/3/1. The 5/3/1 calculator should be used with these new TMs.

Frequently Asked Questions (FAQ)

What is the 5/3/1 program?

The 5/3/1 program is a strength training system created by Jim Wendler, focused on progressing the Squat, Bench Press, Deadlift, and Overhead Press using a 4-week cycle with percentage-based weights derived from a Training Max. Our 5/3/1 calculator helps plan this.

How do I determine my 1RM for the 5/3/1 calculator?

You can either test your 1RM directly (if experienced) or estimate it based on lifting a lighter weight for multiple reps to failure using a 1RM estimation formula or calculator.

What percentage should I use for my Training Max (TM)?

Most people start with 90% of their true 1RM. Some prefer 85%, especially if they are coming back from a break or want to focus on more reps in the AMRAP sets.

What does “5+” or “3+” or “1+” mean on the last set?

It means “As Many Reps As Possible” (AMRAP). You should perform at least the prescribed number of reps (5, 3, or 1) and then continue to do as many more reps as you can with good form.

How often should I use the 5/3/1 calculator?

You’ll use it at the beginning of each 4-week cycle to calculate your weights based on your current or adjusted Training Maxes.

What if I can’t complete the minimum reps on the AMRAP set?

If you consistently fail to hit the minimum reps on the AMRAP sets, your Training Max is likely set too high. Consider reducing it by 5-10% for the next cycle and using the 5/3/1 calculator with the new TM.

What assistance exercises should I do with 5/3/1?

Jim Wendler suggests various assistance templates like “Boring But Big,” “Triumvirate,” or “I’m Not Doing Jack Shit” (minimal assistance). Choose one that fits your goals and recovery capacity, focusing on exercises that support the main lifts and address weaknesses.

How do I progress after a 4-week cycle?

After completing a cycle (including the deload), you typically add a small amount of weight to your Training Maxes (e.g., 2.5 kg/5 lbs for upper body lifts, 5 kg/10 lbs for lower body lifts) and recalculate your weights for the next cycle using the 5/3/1 calculator.