Strength Training Calculators

Plan your strength training with precision using our free calculators for the most effective powerlifting programs

Smolov Squat Program Calculator

Plan your 13-week Smolov squat progression with this calculator. Input your current 1RM and target gain to get a complete program with weights for each workout.

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Wendler 5/3/1 Program Calculator

Calculate your complete 4-week 5/3/1 training cycle for all four main lifts. Input your 1RMs and get weights for each workout plus accessory templates.

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nSuns Program Calculator

Generate your high-volume linear progression program based on 5/3/1 principles. Calculate T1 and T2 weights for all program variants.

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RPE Calculator

Calculate your working weights for your lifts. Input your 1RMs and get weights for each excercise. Plus, use the reverse calculation to estimate your 1RM from your latest set.

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1RM Calculator

Estimate your one-rep max based on your rep work. Calculate percentages for programming, compare different formulas, and check strength standards.

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Training Volume Calculator

Track and optimize your training volume for better results. Calculate volume load, sets per muscle group, and create balanced weekly training plans.

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Why Choose Our Calculators?

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Precision Planning

All weights are calculated with precise percentages and rounded to your preferred increment for real-world application.

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Mobile Friendly

Take your training plan to the gym with our fully responsive design that works perfectly on all devices.

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Program Variations

Explore different assistance templates and program variations to customize your training approach.

Choosing the Right Strength Program

Selecting the optimal strength program depends on your training experience, goals, and recovery capacity. Our calculators support two of the most proven strength methodologies in powerlifting:

Smolov: For Specialized Squat Gains

The Smolov program is renowned for producing dramatic squat strength increases in a short time frame. This Russian program features extremely high volume and frequency, making it appropriate for intermediate to advanced lifters focusing specifically on squat improvement. Consider Smolov when:

5/3/1: For Sustainable Long-Term Progress

Jim Wendler's 5/3/1 is designed for consistent, sustainable progress across all major lifts. Its submaximal approach and flexible assistance work make it suitable for lifters at nearly all experience levels. 5/3/1 is ideal when:

Program Comparison

Feature Smolov 5/3/1 nSuns
Primary focus Squat only All four main lifts All four main lifts
Training frequency Very high (4x/week for one lift) Moderate (each lift 1x/week) High (each lift 1-2x/week)
Volume Extremely high Moderate, customizable Very high (9 sets per main lift)
Duration Fixed (13 weeks) Ongoing, 4-week cycles Ongoing, weekly progression
Recovery demands Very high Moderate High to very high
Suitable experience level Intermediate to advanced Beginner to advanced Late novice to intermediate
Progression model Fixed cycle progression Monthly progression Weekly linear progression