Leg Press (45° Sled) vs Smith Machine Lunge Strength Standards

Leg Press vs Smith Machine Lunge Strength Standards

The paired standards below show what the 45-degree leg press and Smith machine lunge each require at the same strength level. They are separate exercise targets rather than a prescribed difference between your lifts.

Select the appropriate sex table and nearest bodyweight, then choose a strength-level column. Values are ordered Leg Press / Smith Machine Lunge in pounds with kilograms underneath. The calculator above handles exact bodyweight and set inputs.

Men’s Leg Press vs Smith Machine Lunge 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 Leg Press vs Smith Machine Lunge 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 Leg Press vs Smith Machine Lunge 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)

Set quality matters for this Leg Press vs Smith Machine Lunge comparison. Enter technically consistent, challenging sets, and prefer lower-rep results when practical because the estimate extends less far beyond the performed set.

2. Find the 45-degree leg press strength level

The 45-degree leg press 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 Smith machine lunge strength level

For Smith machine lunge, the individual exercise thresholds start from reference bodyweights of 190 lb for men and 150 lb for women. Exact-bodyweight targets use 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

Strength level decides the comparison first. Matching levels remain Balanced unless progress toward the next target differs by at least 10 points.

The result identifies the lower standards rating, not its cause. Technique, fatigue, training history, and set quality can all affect the comparison. Age range is recorded anonymously but does not change these standards.

Enter both sets above to see the estimated maxes, assigned levels, next-level targets, and comparison result.

How Men’s Leg Press and Smith Machine Lunge Standards Differ

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

How Women’s Leg Press and Smith Machine Lunge Standards Differ

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

Leg Press and Smith Machine Lunge Exercises Used by This Calculator

The calculator expects repeatable 45-degree leg press and Smith machine lunge results. Follow each exercise definition below so the two ratings are based on valid tests. Use strict, repeatable Leg Press and Smith Machine Lunge 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 a 45-degree plate-loaded sled leg press

Keep both feet flat and approximately shoulder-width, descend until the thighs reach at least parallel to the platform without lifting the hips or rounding the lower back, and press to controlled full knee extension. Do not enter a horizontal, vertical, selectorized, single-leg, high-foot, partial, bounced, or assisted press.

Use one split stance and count both legs combined

Enter the Smith bar plus plates and total valid reps across both legs. Keep one split stance, descend to accepted depth, drive through the lead leg, and finish tall without bouncing, assistance, shortened range, or substituted movement.

Enter one recent Leg Press result and one recent Smith Machine Lunge result

First lift: total plates loaded on the 45-degree sled and 1–12 strict reps. Second lift: smith bar plus plates and 1–12 strict reps. Pounds or kilograms.

Related Tools

• Leg Press (45° Sled) — View the individual Leg Press standards and next strength-level target.
• Smith Machine Lunge — View the individual Smith Machine Lunge standards and next strength-level target.
• Dumbbell Lunge — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
• Dumbbell Reverse Lunge — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
• Dumbbell Bulgarian Split 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.