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Barbell Side Lunge vs Smith Machine Back Squat

Compare your barbell side lunge and Smith machine back 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: smith machine load 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, keep both hands fixed on the bar, follow the machine's fixed track, descend until the hip crease clearly reaches at least knee level. Each lift is compared with its own standards, so the heavier lift is not automatically the stronger one.

Barbell Side Lunge vs Smith Machine Back Squat Strength Standards

These bodyweight tables place the barbell side lunge and Smith machine back squat 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 Barbell Side Lunge / Smith Machine Back Squat, pounds first and kilograms second. Enter your own sets above for exact ratings without testing a true one-rep max.

Men’s Barbell Side Lunge vs Smith Machine Back 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 Back Squat standards
BodyweightExerciseNoviceIntermediateAdvancedElite
120 lb54.4 kgBarbell Side Lunge36 lb16.3 kg53 lb24 kg76 lb34.5 kg104 lb47.2 kg
Smith Machine Back Squat203 lb92.1 kg245 lb111.1 kg286 lb129.7 kg329 lb149.2 kg
130 lb59 kgBarbell Side Lunge38 lb17.2 kg56 lb25.4 kg80 lb36.3 kg109 lb49.4 kg
Smith Machine Back Squat214 lb97.1 kg259 lb117.5 kg302 lb137 kg347 lb157.4 kg
140 lb63.5 kgBarbell Side Lunge40 lb18.1 kg59 lb26.8 kg84 lb38.1 kg115 lb52.2 kg
Smith Machine Back Squat225 lb102.1 kg272 lb123.4 kg317 lb143.8 kg365 lb165.6 kg
150 lb68 kgBarbell Side Lunge42 lb19.1 kg62 lb28.1 kg88 lb39.9 kg120 lb54.4 kg
Smith Machine Back Squat236 lb107 kg284 lb128.8 kg332 lb150.6 kg382 lb173.3 kg
160 lb72.6 kgBarbell Side Lunge44 lb20 kg64 lb29 kg92 lb41.7 kg126 lb57.2 kg
Smith Machine Back Squat246 lb111.6 kg297 lb134.7 kg347 lb157.4 kg399 lb181 kg
170 lb77.1 kgBarbell Side Lunge45 lb20.4 kg67 lb30.4 kg96 lb43.5 kg131 lb59.4 kg
Smith Machine Back Squat256 lb116.1 kg309 lb140.2 kg361 lb163.7 kg415 lb188.2 kg
180 lb81.6 kgBarbell Side Lunge47 lb21.3 kg69 lb31.3 kg99 lb44.9 kg136 lb61.7 kg
Smith Machine Back Squat266 lb120.7 kg321 lb145.6 kg375 lb170.1 kg431 lb195.5 kg
190 lb86.2 kgBarbell Side Lunge49 lb22.2 kg72 lb32.7 kg103 lb46.7 kg141 lb64 kg
Smith Machine Back Squat276 lb125.2 kg333 lb151 kg389 lb176.4 kg447 lb202.8 kg
200 lb90.7 kgBarbell Side Lunge51 lb23.1 kg75 lb34 kg107 lb48.5 kg146 lb66.2 kg
Smith Machine Back Squat286 lb129.7 kg345 lb156.5 kg403 lb182.8 kg463 lb210 kg
210 lb95.3 kgBarbell Side Lunge52 lb23.6 kg77 lb34.9 kg110 lb49.9 kg151 lb68.5 kg
Smith Machine Back Squat295 lb133.8 kg356 lb161.5 kg416 lb188.7 kg478 lb216.8 kg
220 lb99.8 kgBarbell Side Lunge54 lb24.5 kg79 lb35.8 kg114 lb51.7 kg155 lb70.3 kg
Smith Machine Back Squat304 lb137.9 kg367 lb166.5 kg429 lb194.6 kg493 lb223.6 kg
230 lb104.3 kgBarbell Side Lunge56 lb25.4 kg82 lb37.2 kg117 lb53.1 kg160 lb72.6 kg
Smith Machine Back Squat313 lb142 kg378 lb171.5 kg442 lb200.5 kg508 lb230.4 kg
240 lb108.9 kgBarbell Side Lunge57 lb25.9 kg84 lb38.1 kg120 lb54.4 kg165 lb74.8 kg
Smith Machine Back Squat323 lb146.5 kg389 lb176.4 kg455 lb206.4 kg522 lb236.8 kg
250 lb113.4 kgBarbell Side Lunge59 lb26.8 kg86 lb39 kg124 lb56.2 kg169 lb76.7 kg
Smith Machine Back Squat331 lb150.1 kg400 lb181.4 kg467 lb211.8 kg537 lb243.6 kg
260 lb117.9 kgBarbell Side Lunge60 lb27.2 kg89 lb40.4 kg127 lb57.6 kg174 lb78.9 kg
Smith Machine Back Squat340 lb154.2 kg410 lb186 kg479 lb217.3 kg551 lb249.9 kg
270 lb122.5 kgBarbell Side Lunge62 lb28.1 kg91 lb41.3 kg130 lb59 kg178 lb80.7 kg
Smith Machine Back Squat349 lb158.3 kg421 lb191 kg492 lb223.2 kg565 lb256.3 kg
280 lb127 kgBarbell Side Lunge63 lb28.6 kg93 lb42.2 kg133 lb60.3 kg183 lb83 kg
Smith Machine Back Squat357 lb161.9 kg431 lb195.5 kg504 lb228.6 kg579 lb262.6 kg
290 lb131.5 kgBarbell Side Lunge65 lb29.5 kg95 lb43.1 kg137 lb62.1 kg187 lb84.8 kg
Smith Machine Back Squat366 lb166 kg441 lb200 kg516 lb234.1 kg593 lb269 kg
300 lb136.1 kgBarbell Side Lunge66 lb29.9 kg98 lb44.5 kg140 lb63.5 kg191 lb86.6 kg
Smith Machine Back Squat374 lb169.6 kg452 lb205 kg527 lb239 kg606 lb274.9 kg

Women’s Barbell Side Lunge vs Smith Machine Back 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 Back Squat standards
BodyweightExerciseNoviceIntermediateAdvancedElite
100 lb45.4 kgBarbell Side Lunge22 lb10 kg34 lb15.4 kg48 lb21.8 kg66 lb29.9 kg
Smith Machine Back Squat103 lb46.7 kg137 lb62.1 kg172 lb78 kg206 lb93.4 kg
110 lb49.9 kgBarbell Side Lunge24 lb10.9 kg36 lb16.3 kg51 lb23.1 kg71 lb32.2 kg
Smith Machine Back Squat110 lb49.9 kg146 lb66.2 kg183 lb83 kg220 lb99.8 kg
120 lb54.4 kgBarbell Side Lunge25 lb11.3 kg38 lb17.2 kg54 lb24.5 kg75 lb34 kg
Smith Machine Back Squat116 lb52.6 kg155 lb70.3 kg194 lb88 kg233 lb105.7 kg
130 lb59 kgBarbell Side Lunge26 lb11.8 kg40 lb18.1 kg57 lb25.9 kg79 lb35.8 kg
Smith Machine Back Squat123 lb55.8 kg164 lb74.4 kg205 lb93 kg245 lb111.1 kg
140 lb63.5 kgBarbell Side Lunge28 lb12.7 kg42 lb19.1 kg60 lb27.2 kg83 lb37.6 kg
Smith Machine Back Squat129 lb58.5 kg172 lb78 kg215 lb97.5 kg258 lb117 kg
150 lb68 kgBarbell Side Lunge29 lb13.2 kg44 lb20 kg63 lb28.6 kg87 lb39.5 kg
Smith Machine Back Squat135 lb61.2 kg180 lb81.6 kg225 lb102.1 kg270 lb122.5 kg
160 lb72.6 kgBarbell Side Lunge30 lb13.6 kg46 lb20.9 kg66 lb29.9 kg91 lb41.3 kg
Smith Machine Back Squat141 lb64 kg188 lb85.3 kg235 lb106.6 kg282 lb127.9 kg
170 lb77.1 kgBarbell Side Lunge32 lb14.5 kg48 lb21.8 kg68 lb30.8 kg95 lb43.1 kg
Smith Machine Back Squat147 lb66.7 kg196 lb88.9 kg245 lb111.1 kg293 lb132.9 kg
180 lb81.6 kgBarbell Side Lunge33 lb15 kg50 lb22.7 kg71 lb32.2 kg98 lb44.5 kg
Smith Machine Back Squat152 lb68.9 kg203 lb92.1 kg254 lb115.2 kg305 lb138.3 kg
190 lb86.2 kgBarbell Side Lunge34 lb15.4 kg52 lb23.6 kg74 lb33.6 kg102 lb46.3 kg
Smith Machine Back Squat158 lb71.7 kg211 lb95.7 kg263 lb119.3 kg316 lb143.3 kg
200 lb90.7 kgBarbell Side Lunge35 lb15.9 kg53 lb24 kg76 lb34.5 kg105 lb47.6 kg
Smith Machine Back Squat164 lb74.4 kg218 lb98.9 kg273 lb123.8 kg327 lb148.3 kg
210 lb95.3 kgBarbell Side Lunge36 lb16.3 kg55 lb24.9 kg79 lb35.8 kg109 lb49.4 kg
Smith Machine Back Squat169 lb76.7 kg225 lb102.1 kg282 lb127.9 kg338 lb153.3 kg
220 lb99.8 kgBarbell Side Lunge37 lb16.8 kg57 lb25.9 kg81 lb36.7 kg112 lb50.8 kg
Smith Machine Back Squat174 lb78.9 kg232 lb105.2 kg290 lb131.5 kg349 lb158.3 kg
230 lb104.3 kgBarbell Side Lunge39 lb17.7 kg59 lb26.8 kg84 lb38.1 kg116 lb52.6 kg
Smith Machine Back Squat180 lb81.6 kg239 lb108.4 kg299 lb135.6 kg359 lb162.8 kg
240 lb108.9 kgBarbell Side Lunge40 lb18.1 kg60 lb27.2 kg86 lb39 kg119 lb54 kg
Smith Machine Back Squat185 lb83.9 kg246 lb111.6 kg308 lb139.7 kg369 lb167.4 kg

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

The calculator estimates both one-rep maxes, rates each one against its exercise and bodyweight standards, and then compares the two ratings.

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)

Set quality matters for this Barbell Side Lunge vs Smith Machine Back Squat 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 barbell side lunge strength level

The standards use the sex-specific thresholds from the individual Barbell Side Lunge 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.

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 back squat strength level

The standards use the sex-specific strength levels from the individual Smith Machine Back 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

Each max receives a level from Beginner through Elite. The lower-level lift becomes the priority. At matching levels, a priority appears only when one lift is at least 10 points farther from its next level; otherwise the result is Balanced.

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 back squatAdjust Smith machine back squat targets to exact bodyweight with the two-thirds 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 Back Squat Standards Differ

What the men’s data shows:

Novice closest match120 lb

The standards come closest at 120 lb.

Smith Machine Back Squat target is higher4 strength levels

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

Elite difference225 → 415 lb

Across 120–300 lb bodyweight, the Elite gap changes from 102 to 188.3 kg.

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

What the women’s data shows:

Novice closest match100 lb

The standards come closest at 100 lb.

Smith Machine Back Squat target is higher4 strength levels

Novice, Intermediate, Advanced, and Elite at every displayed bodyweight.

Elite difference140 → 250 lb

63.5 → 113.4 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 Back Squat standard minus the Barbell Side Lunge standard: zero means equal, above zero means the Smith Machine Back 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 Back Squat Exercises Used by This Calculator

Compare like-for-like attempts by keeping the barbell side lunge and Smith machine back squat setup consistent with their individual rules. Use strict, repeatable Barbell Side Lunge and Smith Machine Back 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 one Smith machine and full standardized depth

Enter the Smith machine load in the active unit. Keep both hands fixed on the bar, follow the machine’s fixed track, descend until the hip crease clearly reaches at least knee level, and return to full hip-and-knee extension under control. Do not count excessive forward foot placement, partial depth, bouncing, bottom rebound, torso collapse, assistance, a free-weight squat, hack squat, or leg press.

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

First lift: weight used and 1–12 strict reps. Second lift: smith machine load 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 Back Squat — View the individual Smith Machine Back 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.
  • Axle Front Squat — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
  • Barbell Box Squats — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
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