Barbell Side Lunge vs Single Leg Machine Leg Press

Barbell Side Lunge vs Single Leg Machine Leg Press Strength Standards

Use these tables to compare the estimated one-rep max required for the barbell side lunge and single leg machine leg press to reach the same strength level at each listed bodyweight. The numbers are calculator targets, not a required gap between the two lifts.

Choose the men’s or women’s table, find the closest bodyweight row, and read across to Novice, Intermediate, Advanced, or Elite. Each entry shows Barbell Side Lunge / Single Leg Machine Leg Press, with pounds above kilograms. Use the calculator for your exact bodyweight and recent sets.

Men’s Barbell Side Lunge vs Single Leg Machine Leg Press Standards

How to read the table: Find the closest bodyweight, then use the labeled exercise row. Every strength-level entry shows one target with pounds first and kilograms beneath it.

Women’s Barbell Side Lunge vs Single Leg Machine Leg Press Standards

How to read the table: Find the closest bodyweight, then use the labeled exercise row. Every strength-level entry shows one target with pounds first and kilograms beneath it.

How Your Barbell Side Lunge vs Single Leg Machine Leg Press Result Is Calculated

Each set is converted to an estimated max before the calculator assigns exercise-specific strength levels and compares them.

1. Estimate a one-rep max from each set

A one-rep set uses the entered weight. For 2–12 reps, both formulas are calculated and the lower estimate is retained.

• Epley: weight × (1 + reps ÷ 30)
• Brzycki: weight × 36 ÷ (37 − reps)

For the most useful Barbell Side Lunge vs Single Leg Machine Leg Press comparison, enter clean, difficult sets performed with the same technique and range of motion you use in training. Lower-rep sets usually require less extrapolation.

2. Find the barbell side lunge strength level

The barbell side lunge rating uses its sex-specific exercise standards. Reference targets at 190 lb for men and 150 lb for women are scaled to the entered bodyweight by reference target × (user bodyweight ÷ reference bodyweight) to the two-thirds power.

Two-thirds scaling raises the target as bodyweight rises while limiting the size advantage that a direct one-to-one adjustment would create.

3. Find the single leg machine leg press strength level

The standards use the sex-specific thresholds from the individual Single Leg Machine Leg Press tool. Targets begin at 190 lb for men and 150 lb for women, then adjust to exact bodyweight with reference target × (user bodyweight ÷ reference bodyweight) to the two-thirds power.

This adjustment expects larger lifters to move more weight, but it does not increase the target pound for pound with bodyweight.

4. Compare the two results

The lift with the lower Beginner-to-Elite rating is the priority. If both ratings match, the calculator requires a 10-point difference in next-level progress before naming a priority; otherwise it reports Balanced.

A priority result is a standards comparison, not a diagnosis. Differences in technique, fatigue, practice, or set effort may influence it. Age range is recorded anonymously and does not alter these standards.

The calculator above applies these steps to your exact entries and reports both lift ratings, both next targets, and the final comparison.

How Men’s Barbell Side Lunge and Single Leg Machine Leg Press Standards Differ

How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Single Leg Machine Leg Press standard minus the Barbell Side Lunge standard: zero means equal, above zero means the Single Leg Machine Leg Press standard is higher, and below zero means the Barbell Side Lunge standard is higher. Swipe horizontally on mobile. Use the standards table for exact lb/kg targets.

How Women’s Barbell Side Lunge and Single Leg Machine Leg Press Standards Differ

How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Single Leg Machine Leg Press standard minus the Barbell Side Lunge standard: zero means equal, above zero means the Single Leg Machine Leg Press standard is higher, and below zero means the Barbell Side Lunge standard is higher. Swipe horizontally on mobile. Use the standards table for exact lb/kg targets.

Barbell Side Lunge and Single Leg Machine Leg Press Exercises Used by This Calculator

Valid results depend on using the specified barbell side lunge and single leg machine leg press technique and load convention. Use strict, repeatable Barbell Side Lunge and Single Leg Machine Leg Press tests that follow each exercise’s setup, range of motion, equipment, and load rules. Do not mix variations, assistance, partial range, momentum, or different load conventions.

Use the exercise-specific Barbell Side Lunge setup and load convention

Barbell is positioned on the upper back; high-bar or low-bar placement is allowed. Lifter begins standing upright with feet hip-width apart. Lifter steps laterally into a wide stance. Working foot remains flat and planted throughout the rep. Lifter descends by sitting into the working hip. Non-working leg remains extended with minimal knee bend. Working thigh reaches at least parallel, with hip crease at or below knee level. Each repetition counts only after returning to a fully upright standing position with hips and knees extended and feet returned under the body. Torso remains neutral with minimal forward collapse or rotation. Each rep is controlled with consistent depth, step width, and tempo. Reps are performed evenly on both sides; weaker side determines valid load and rep count. Raw lifting only; no equipped or assisted support is included. No shallow side steps without clear depth, forward or rotational lunge substitutions, excessive torso lean, momentum-assisted returns, assisted variations, machine-based lateral lunges, Smith machine variations, partial reps, uneven step widths, or equipped lifting are included. Load input represents total barbell weight only, not bodyweight. Standards reflect unilateral lower-body strength with significant lateral stability demands. Side lunges typically allow less loading than forward or reverse lunges due to reduced mechanical efficiency. Most lifters are limited by hip mobility, adductor strength, and lateral balance. Shallow depth or shortened step width will inflate results. Strict, repeatable execution is required for valid comparisons. Estimated 1RM is calculated from the entered weight used and reps.

Use the Single Leg Machine Leg Press setup and load convention

The displayed, selected, or loaded machine resistance used for one working leg at a time. Total reps across both legs combined. Press with one working foot from controlled depth to controlled extension while the hips stay stable against the pad and the other leg does not assist. Consistent setup, range, and finish quality across the entered set. No substituted exercise or assisted reps.

Enter one recent Barbell Side Lunge result and one recent Single Leg Machine Leg Press result

First lift: weight used and 1–12 strict reps. Second lift: weight used and 1–12 strict reps. Pounds or kilograms.

Related Tools

• Barbell Side Lunge — View the individual Barbell Side Lunge standards and next strength-level target.
• Single Leg Machine Leg Press — View the individual Single Leg Machine Leg Press standards and next strength-level target.
• Barbell Cossack Squat — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
• Barbell Lunge — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
• Leg Press (45° Sled) — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
• Machine Hack Squat — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.