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Barbell Side Lunge vs Smith Machine Box Squat

Compare your barbell side lunge and smith machine box squat against strength standards for your sex and bodyweight. Use one clean 1–12-rep set per lift to review estimated one-rep maxes, strength levels, next targets, and priority.

First lift: weight used and 1–12 strict reps. Second lift: weight used and 1–12 strict reps. Pounds or kilograms. For the first exercise, reps are performed evenly on both sides; weaker side determines valid load and rep count. For the second exercise, stand to simultaneous hip/knee lockout without rehooking or stop contact. Each lift is compared with its own standards, so the heavier lift is not automatically the stronger one.

Barbell Side Lunge vs Smith Machine Box Squat Strength Standards

Use these tables to compare the estimated one-rep max required for the barbell side lunge and smith machine box squat 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 / Smith Machine Box Squat, with pounds above kilograms. Use the calculator for your exact bodyweight and recent sets.

Men’s Barbell Side Lunge vs Smith Machine Box Squat 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.

Men’s Barbell Side Lunge vs Smith Machine Box Squat standards
BodyweightExerciseNoviceIntermediateAdvancedElite
120 lb54.4 kgBarbell Side Lunge36 lb16.3 kg53 lb24 kg76 lb34.5 kg104 lb47.2 kg
Smith Machine Box Squat175 lb79.4 kg217 lb98.4 kg262 lb118.8 kg308 lb139.7 kg
130 lb59 kgBarbell Side Lunge38 lb17.2 kg56 lb25.4 kg80 lb36.3 kg109 lb49.4 kg
Smith Machine Box Squat185 lb83.9 kg229 lb103.9 kg276 lb125.2 kg325 lb147.4 kg
140 lb63.5 kgBarbell Side Lunge40 lb18.1 kg59 lb26.8 kg84 lb38.1 kg115 lb52.2 kg
Smith Machine Box Squat194 lb88 kg241 lb109.3 kg290 lb131.5 kg341 lb154.7 kg
150 lb68 kgBarbell Side Lunge42 lb19.1 kg62 lb28.1 kg88 lb39.9 kg120 lb54.4 kg
Smith Machine Box Squat203 lb92.1 kg252 lb114.3 kg304 lb137.9 kg357 lb161.9 kg
160 lb72.6 kgBarbell Side Lunge44 lb20 kg64 lb29 kg92 lb41.7 kg126 lb57.2 kg
Smith Machine Box Squat212 lb96.2 kg263 lb119.3 kg317 lb143.8 kg373 lb169.2 kg
170 lb77.1 kgBarbell Side Lunge45 lb20.4 kg67 lb30.4 kg96 lb43.5 kg131 lb59.4 kg
Smith Machine Box Squat221 lb100.2 kg274 lb124.3 kg331 lb150.1 kg388 lb176 kg
180 lb81.6 kgBarbell Side Lunge47 lb21.3 kg69 lb31.3 kg99 lb44.9 kg136 lb61.7 kg
Smith Machine Box Squat230 lb104.3 kg285 lb129.3 kg343 lb155.6 kg403 lb182.8 kg
190 lb86.2 kgBarbell Side Lunge49 lb22.2 kg72 lb32.7 kg103 lb46.7 kg141 lb64 kg
Smith Machine Box Squat238 lb108 kg295 lb133.8 kg356 lb161.5 kg418 lb189.6 kg
200 lb90.7 kgBarbell Side Lunge51 lb23.1 kg75 lb34 kg107 lb48.5 kg146 lb66.2 kg
Smith Machine Box Squat246 lb111.6 kg305 lb138.3 kg368 lb166.9 kg433 lb196.4 kg
210 lb95.3 kgBarbell Side Lunge52 lb23.6 kg77 lb34.9 kg110 lb49.9 kg151 lb68.5 kg
Smith Machine Box Squat254 lb115.2 kg315 lb142.9 kg381 lb172.8 kg447 lb202.8 kg
220 lb99.8 kgBarbell Side Lunge54 lb24.5 kg79 lb35.8 kg114 lb51.7 kg155 lb70.3 kg
Smith Machine Box Squat262 lb118.8 kg325 lb147.4 kg393 lb178.3 kg461 lb209.1 kg
230 lb104.3 kgBarbell Side Lunge56 lb25.4 kg82 lb37.2 kg117 lb53.1 kg160 lb72.6 kg
Smith Machine Box Squat270 lb122.5 kg335 lb152 kg404 lb183.3 kg475 lb215.5 kg
240 lb108.9 kgBarbell Side Lunge57 lb25.9 kg84 lb38.1 kg120 lb54.4 kg165 lb74.8 kg
Smith Machine Box Squat278 lb126.1 kg345 lb156.5 kg416 lb188.7 kg488 lb221.4 kg
250 lb113.4 kgBarbell Side Lunge59 lb26.8 kg86 lb39 kg124 lb56.2 kg169 lb76.7 kg
Smith Machine Box Squat286 lb129.7 kg354 lb160.6 kg427 lb193.7 kg502 lb227.7 kg
260 lb117.9 kgBarbell Side Lunge60 lb27.2 kg89 lb40.4 kg127 lb57.6 kg174 lb78.9 kg
Smith Machine Box Squat293 lb132.9 kg364 lb165.1 kg439 lb199.1 kg515 lb233.6 kg
270 lb122.5 kgBarbell Side Lunge62 lb28.1 kg91 lb41.3 kg130 lb59 kg178 lb80.7 kg
Smith Machine Box Squat301 lb136.5 kg373 lb169.2 kg450 lb204.1 kg528 lb239.5 kg
280 lb127 kgBarbell Side Lunge63 lb28.6 kg93 lb42.2 kg133 lb60.3 kg183 lb83 kg
Smith Machine Box Squat308 lb139.7 kg382 lb173.3 kg461 lb209.1 kg541 lb245.4 kg
290 lb131.5 kgBarbell Side Lunge65 lb29.5 kg95 lb43.1 kg137 lb62.1 kg187 lb84.8 kg
Smith Machine Box Squat316 lb143.3 kg391 lb177.4 kg472 lb214.1 kg554 lb251.3 kg
300 lb136.1 kgBarbell Side Lunge66 lb29.9 kg98 lb44.5 kg140 lb63.5 kg191 lb86.6 kg
Smith Machine Box Squat323 lb146.5 kg400 lb181.4 kg483 lb219.1 kg567 lb257.2 kg

Women’s Barbell Side Lunge vs Smith Machine Box Squat 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 Smith Machine Box Squat standards
BodyweightExerciseNoviceIntermediateAdvancedElite
100 lb45.4 kgBarbell Side Lunge22 lb10 kg34 lb15.4 kg48 lb21.8 kg66 lb29.9 kg
Smith Machine Box Squat98 lb44.5 kg129 lb58.5 kg163 lb73.9 kg198 lb89.8 kg
110 lb49.9 kgBarbell Side Lunge24 lb10.9 kg36 lb16.3 kg51 lb23.1 kg71 lb32.2 kg
Smith Machine Box Squat104 lb47.2 kg137 lb62.1 kg174 lb78.9 kg211 lb95.7 kg
120 lb54.4 kgBarbell Side Lunge25 lb11.3 kg38 lb17.2 kg54 lb24.5 kg75 lb34 kg
Smith Machine Box Squat110 lb49.9 kg146 lb66.2 kg184 lb83.5 kg223 lb101.2 kg
130 lb59 kgBarbell Side Lunge26 lb11.8 kg40 lb18.1 kg57 lb25.9 kg79 lb35.8 kg
Smith Machine Box Squat116 lb52.6 kg154 lb69.9 kg195 lb88.5 kg235 lb106.6 kg
140 lb63.5 kgBarbell Side Lunge28 lb12.7 kg42 lb19.1 kg60 lb27.2 kg83 lb37.6 kg
Smith Machine Box Squat122 lb55.3 kg161 lb73 kg204 lb92.5 kg247 lb112 kg
150 lb68 kgBarbell Side Lunge29 lb13.2 kg44 lb20 kg63 lb28.6 kg87 lb39.5 kg
Smith Machine Box Squat128 lb58.1 kg169 lb76.7 kg214 lb97.1 kg259 lb117.5 kg
160 lb72.6 kgBarbell Side Lunge30 lb13.6 kg46 lb20.9 kg66 lb29.9 kg91 lb41.3 kg
Smith Machine Box Squat134 lb60.8 kg176 lb79.8 kg223 lb101.2 kg270 lb122.5 kg
170 lb77.1 kgBarbell Side Lunge32 lb14.5 kg48 lb21.8 kg68 lb30.8 kg95 lb43.1 kg
Smith Machine Box Squat139 lb63 kg184 lb83.5 kg233 lb105.7 kg282 lb127.9 kg
180 lb81.6 kgBarbell Side Lunge33 lb15 kg50 lb22.7 kg71 lb32.2 kg98 lb44.5 kg
Smith Machine Box Squat145 lb65.8 kg191 lb86.6 kg242 lb109.8 kg292 lb132.4 kg
190 lb86.2 kgBarbell Side Lunge34 lb15.4 kg52 lb23.6 kg74 lb33.6 kg102 lb46.3 kg
Smith Machine Box Squat150 lb68 kg198 lb89.8 kg251 lb113.9 kg303 lb137.4 kg
200 lb90.7 kgBarbell Side Lunge35 lb15.9 kg53 lb24 kg76 lb34.5 kg105 lb47.6 kg
Smith Machine Box Squat155 lb70.3 kg205 lb93 kg259 lb117.5 kg314 lb142.4 kg
210 lb95.3 kgBarbell Side Lunge36 lb16.3 kg55 lb24.9 kg79 lb35.8 kg109 lb49.4 kg
Smith Machine Box Squat160 lb72.6 kg211 lb95.7 kg268 lb121.6 kg324 lb147 kg
220 lb99.8 kgBarbell Side Lunge37 lb16.8 kg57 lb25.9 kg81 lb36.7 kg112 lb50.8 kg
Smith Machine Box Squat165 lb74.8 kg218 lb98.9 kg276 lb125.2 kg334 lb151.5 kg
230 lb104.3 kgBarbell Side Lunge39 lb17.7 kg59 lb26.8 kg84 lb38.1 kg116 lb52.6 kg
Smith Machine Box Squat170 lb77.1 kg225 lb102.1 kg285 lb129.3 kg344 lb156 kg
240 lb108.9 kgBarbell Side Lunge40 lb18.1 kg60 lb27.2 kg86 lb39 kg119 lb54 kg
Smith Machine Box Squat175 lb79.4 kg231 lb104.8 kg293 lb132.9 kg354 lb160.6 kg

How Your Barbell Side Lunge vs Smith Machine Box Squat Result Is Calculated

Both lifts are scored independently first: estimated max, bodyweight-adjusted strength level, and progress toward the next level. Those ratings drive the comparison.

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)

Use recent Barbell Side Lunge and Smith Machine Box Squat 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 barbell side lunge strength level

For barbell side 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.

The target rises more slowly than bodyweight so larger lifters are expected to lift more without requiring strength to increase pound for pound.

3. Find the smith machine box squat strength level

The standards use the sex-specific thresholds from the individual Smith Machine Box Squat 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

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

Treat the result as a training comparison rather than an explanation of why one lift trails. Set quality, fatigue, skill, and training exposure all matter. Age range is recorded anonymously but does not change these standards.

StageWhat happens
Estimate each maxUse the entered weight for 1 rep; for 2–12 reps, keep the lower formula result.
Rate the barbell side lungeUse the exercise-specific estimated max and adjust targets to exact bodyweight with the two-thirds scaling rule.
Rate the smith machine box squatUse the exercise-specific estimated max and adjust targets to exact bodyweight with the two-thirds scaling rule.
Compare different levelsName the lower-level lift as the priority.
Compare matching levelsUse Balanced unless the difference in progress toward the next level reaches 10 points.

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 Smith Machine Box Squat Standards Differ

What the men’s data shows:

Novice closest match120 lb

The standards come closest at 120 lb.

Smith Machine Box Squat target is higher4 strength levels

Across all listed bodyweights, Novice, Intermediate, Advanced, and Elite keep the same higher-target direction.

Elite difference204 → 376 lb

92.5 → 170.6 kg from 120 to 300 lb bodyweight.

How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Smith Machine Box Squat standard minus the Barbell Side Lunge standard: zero means equal, above zero means the Smith Machine Box Squat 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.

Line chart loading. The standards tables above contain the exact pounds and kilograms.

How Women’s Barbell Side Lunge and Smith Machine Box Squat Standards Differ

What the women’s data shows:

Novice closest match100 lb

The standards come closest at 100 lb.

Smith Machine Box Squat target is higher4 strength levels

The higher target remains with Smith Machine Box Squat for Novice, Intermediate, Advanced, and Elite throughout the table.

Elite difference132 → 235 lb

59.9 → 106.6 kg from 100 to 240 lb bodyweight.

How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Smith Machine Box Squat standard minus the Barbell Side Lunge standard: zero means equal, above zero means the Smith Machine Box Squat 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.

Line chart loading. The standards tables above contain the exact pounds and kilograms.

Barbell Side Lunge and Smith Machine Box Squat Exercises Used by This Calculator

The calculator expects repeatable barbell side lunge and smith machine box squat results. Follow each exercise definition below so the two ratings are based on valid tests. Use strict, repeatable Barbell Side Lunge and Smith Machine Box Squat 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 Smith Machine Box Squat setup and load convention

Use Smith rails vertical within 1 degree and a non-counterbalanced bar. Measure actual unloaded resistance with a calibrated force scale and enter it plus every plate on both sleeves. Center a rigid flat box behind the lifter. Record lifting-platform-to-box-top height in centimeters and use the same value. Set it so simultaneous full-glute contact places both hip creases 2 cm plus or minus 1 cm below the top of the knees. Set heel centers at measured hip-joint width; outward toe angle is permitted. Position feet so the bar remains over midfoot at box contact. Sit back under control to full-glute contact; pause visibly for one second while maintaining braced trunk, foot pressure, and muscular tension. Do not rock, relax, bounce, or shift. Stand to simultaneous hip/knee lockout without rehooking or stop contact. Count 1–10 controlled reps with identical box height/position and stance. Belt/sleeves/chalk/shoes allowed; rebound wraps, suits, assistance, and partials prohibited.

Enter one recent Barbell Side Lunge result and one recent Smith Machine Box Squat result

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

  • Barbell Side Lunge — View the individual Barbell Side Lunge standards and next strength-level target.
  • Smith Machine Box Squat — View the individual Smith Machine Box Squat 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.
  • Barbell Front Squat — 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.
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