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

Leg Press vs Smith Machine Stiff Leg Deadlift Strength Standards

These bodyweight tables place the 45-degree leg press and smith machine stiff leg deadlift targets side by side from Novice through Elite. Use them to compare standards, not to force a particular ratio between the lifts.

Find the closest row in the men’s or women’s table. Every target lists Leg Press / Smith Machine Stiff Leg Deadlift, pounds first and kilograms second. Enter your own sets above for exact ratings without testing a true one-rep max.

Men’s Leg Press vs Smith Machine Stiff Leg Deadlift 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 Stiff Leg Deadlift 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 Stiff Leg Deadlift Result Is Calculated

The comparison starts by estimating each max separately. It then rates both lifts against their own standards before identifying the lower result.

1. Estimate a one-rep max from each set

The entered weight is used directly for one rep. With 2–12 reps, both estimates are compared and the lower value is used.

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

Use recent Leg Press and Smith Machine Stiff Leg Deadlift sets with consistent technique and full intended range of motion. Difficult lower-rep sets generally make the estimated max less dependent on extrapolation.

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 stiff leg deadlift strength level

For smith machine stiff leg deadlift, 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

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.

Use the calculator above to view both estimated maxes, strength levels, next targets, and the resulting priority or Balanced verdict.

How Men’s Leg Press and Smith Machine Stiff Leg Deadlift Standards Differ

How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Smith Machine Stiff Leg Deadlift standard minus the Leg Press standard: zero means equal, above zero means the Smith Machine Stiff Leg Deadlift 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 Stiff Leg Deadlift Standards Differ

How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Smith Machine Stiff Leg Deadlift standard minus the Leg Press standard: zero means equal, above zero means the Smith Machine Stiff Leg Deadlift 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 Stiff Leg Deadlift Exercises Used by This Calculator

Valid results depend on using the specified 45-degree leg press and smith machine stiff leg deadlift technique and load convention. Use strict, repeatable Leg Press and Smith Machine Stiff Leg Deadlift 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 the Smith Machine Stiff Leg Deadlift setup and load convention

The total Smith machine bar weight used for the stiff-leg deadlift set. Valid Smith Machine Stiff Leg Deadlift reps. Hinge with minimal knee bend from the approved low start to standing without Romanian-deadlift drift, conventional-deadlift drift, bounce, or partial range. Consistent setup, range, and finish quality across the entered set. No substituted exercise or assisted reps.

Enter one recent Leg Press result and one recent Smith Machine Stiff Leg Deadlift result

First lift: total plates loaded on the 45-degree sled and 1–12 strict reps. Second lift: weight used 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 Stiff Leg Deadlift — View the individual Smith Machine Stiff Leg Deadlift standards and next strength-level target.
• Barbell Stiff-Leg Deadlift — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
• Romanian Deadlift — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
• Smith Machine Romanian Deadlift — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
• Cable Romanian Deadlift — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.