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.
| Bodyweight | Exercise | Novice | Intermediate | Advanced | Elite |
|---|---|---|---|---|---|
| 120 lb54.4 kg | Barbell Side Lunge | 36 lb16.3 kg | 53 lb24 kg | 76 lb34.5 kg | 104 lb47.2 kg |
| Smith Machine Back Squat | 203 lb92.1 kg | 245 lb111.1 kg | 286 lb129.7 kg | 329 lb149.2 kg | |
| 130 lb59 kg | Barbell Side Lunge | 38 lb17.2 kg | 56 lb25.4 kg | 80 lb36.3 kg | 109 lb49.4 kg |
| Smith Machine Back Squat | 214 lb97.1 kg | 259 lb117.5 kg | 302 lb137 kg | 347 lb157.4 kg | |
| 140 lb63.5 kg | Barbell Side Lunge | 40 lb18.1 kg | 59 lb26.8 kg | 84 lb38.1 kg | 115 lb52.2 kg |
| Smith Machine Back Squat | 225 lb102.1 kg | 272 lb123.4 kg | 317 lb143.8 kg | 365 lb165.6 kg | |
| 150 lb68 kg | Barbell Side Lunge | 42 lb19.1 kg | 62 lb28.1 kg | 88 lb39.9 kg | 120 lb54.4 kg |
| Smith Machine Back Squat | 236 lb107 kg | 284 lb128.8 kg | 332 lb150.6 kg | 382 lb173.3 kg | |
| 160 lb72.6 kg | Barbell Side Lunge | 44 lb20 kg | 64 lb29 kg | 92 lb41.7 kg | 126 lb57.2 kg |
| Smith Machine Back Squat | 246 lb111.6 kg | 297 lb134.7 kg | 347 lb157.4 kg | 399 lb181 kg | |
| 170 lb77.1 kg | Barbell Side Lunge | 45 lb20.4 kg | 67 lb30.4 kg | 96 lb43.5 kg | 131 lb59.4 kg |
| Smith Machine Back Squat | 256 lb116.1 kg | 309 lb140.2 kg | 361 lb163.7 kg | 415 lb188.2 kg | |
| 180 lb81.6 kg | Barbell Side Lunge | 47 lb21.3 kg | 69 lb31.3 kg | 99 lb44.9 kg | 136 lb61.7 kg |
| Smith Machine Back Squat | 266 lb120.7 kg | 321 lb145.6 kg | 375 lb170.1 kg | 431 lb195.5 kg | |
| 190 lb86.2 kg | Barbell Side Lunge | 49 lb22.2 kg | 72 lb32.7 kg | 103 lb46.7 kg | 141 lb64 kg |
| Smith Machine Back Squat | 276 lb125.2 kg | 333 lb151 kg | 389 lb176.4 kg | 447 lb202.8 kg | |
| 200 lb90.7 kg | Barbell Side Lunge | 51 lb23.1 kg | 75 lb34 kg | 107 lb48.5 kg | 146 lb66.2 kg |
| Smith Machine Back Squat | 286 lb129.7 kg | 345 lb156.5 kg | 403 lb182.8 kg | 463 lb210 kg | |
| 210 lb95.3 kg | Barbell Side Lunge | 52 lb23.6 kg | 77 lb34.9 kg | 110 lb49.9 kg | 151 lb68.5 kg |
| Smith Machine Back Squat | 295 lb133.8 kg | 356 lb161.5 kg | 416 lb188.7 kg | 478 lb216.8 kg | |
| 220 lb99.8 kg | Barbell Side Lunge | 54 lb24.5 kg | 79 lb35.8 kg | 114 lb51.7 kg | 155 lb70.3 kg |
| Smith Machine Back Squat | 304 lb137.9 kg | 367 lb166.5 kg | 429 lb194.6 kg | 493 lb223.6 kg | |
| 230 lb104.3 kg | Barbell Side Lunge | 56 lb25.4 kg | 82 lb37.2 kg | 117 lb53.1 kg | 160 lb72.6 kg |
| Smith Machine Back Squat | 313 lb142 kg | 378 lb171.5 kg | 442 lb200.5 kg | 508 lb230.4 kg | |
| 240 lb108.9 kg | Barbell Side Lunge | 57 lb25.9 kg | 84 lb38.1 kg | 120 lb54.4 kg | 165 lb74.8 kg |
| Smith Machine Back Squat | 323 lb146.5 kg | 389 lb176.4 kg | 455 lb206.4 kg | 522 lb236.8 kg | |
| 250 lb113.4 kg | Barbell Side Lunge | 59 lb26.8 kg | 86 lb39 kg | 124 lb56.2 kg | 169 lb76.7 kg |
| Smith Machine Back Squat | 331 lb150.1 kg | 400 lb181.4 kg | 467 lb211.8 kg | 537 lb243.6 kg | |
| 260 lb117.9 kg | Barbell Side Lunge | 60 lb27.2 kg | 89 lb40.4 kg | 127 lb57.6 kg | 174 lb78.9 kg |
| Smith Machine Back Squat | 340 lb154.2 kg | 410 lb186 kg | 479 lb217.3 kg | 551 lb249.9 kg | |
| 270 lb122.5 kg | Barbell Side Lunge | 62 lb28.1 kg | 91 lb41.3 kg | 130 lb59 kg | 178 lb80.7 kg |
| Smith Machine Back Squat | 349 lb158.3 kg | 421 lb191 kg | 492 lb223.2 kg | 565 lb256.3 kg | |
| 280 lb127 kg | Barbell Side Lunge | 63 lb28.6 kg | 93 lb42.2 kg | 133 lb60.3 kg | 183 lb83 kg |
| Smith Machine Back Squat | 357 lb161.9 kg | 431 lb195.5 kg | 504 lb228.6 kg | 579 lb262.6 kg | |
| 290 lb131.5 kg | Barbell Side Lunge | 65 lb29.5 kg | 95 lb43.1 kg | 137 lb62.1 kg | 187 lb84.8 kg |
| Smith Machine Back Squat | 366 lb166 kg | 441 lb200 kg | 516 lb234.1 kg | 593 lb269 kg | |
| 300 lb136.1 kg | Barbell Side Lunge | 66 lb29.9 kg | 98 lb44.5 kg | 140 lb63.5 kg | 191 lb86.6 kg |
| Smith Machine Back Squat | 374 lb169.6 kg | 452 lb205 kg | 527 lb239 kg | 606 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.
| Bodyweight | Exercise | Novice | Intermediate | Advanced | Elite |
|---|---|---|---|---|---|
| 100 lb45.4 kg | Barbell Side Lunge | 22 lb10 kg | 34 lb15.4 kg | 48 lb21.8 kg | 66 lb29.9 kg |
| Smith Machine Back Squat | 103 lb46.7 kg | 137 lb62.1 kg | 172 lb78 kg | 206 lb93.4 kg | |
| 110 lb49.9 kg | Barbell Side Lunge | 24 lb10.9 kg | 36 lb16.3 kg | 51 lb23.1 kg | 71 lb32.2 kg |
| Smith Machine Back Squat | 110 lb49.9 kg | 146 lb66.2 kg | 183 lb83 kg | 220 lb99.8 kg | |
| 120 lb54.4 kg | Barbell Side Lunge | 25 lb11.3 kg | 38 lb17.2 kg | 54 lb24.5 kg | 75 lb34 kg |
| Smith Machine Back Squat | 116 lb52.6 kg | 155 lb70.3 kg | 194 lb88 kg | 233 lb105.7 kg | |
| 130 lb59 kg | Barbell Side Lunge | 26 lb11.8 kg | 40 lb18.1 kg | 57 lb25.9 kg | 79 lb35.8 kg |
| Smith Machine Back Squat | 123 lb55.8 kg | 164 lb74.4 kg | 205 lb93 kg | 245 lb111.1 kg | |
| 140 lb63.5 kg | Barbell Side Lunge | 28 lb12.7 kg | 42 lb19.1 kg | 60 lb27.2 kg | 83 lb37.6 kg |
| Smith Machine Back Squat | 129 lb58.5 kg | 172 lb78 kg | 215 lb97.5 kg | 258 lb117 kg | |
| 150 lb68 kg | Barbell Side Lunge | 29 lb13.2 kg | 44 lb20 kg | 63 lb28.6 kg | 87 lb39.5 kg |
| Smith Machine Back Squat | 135 lb61.2 kg | 180 lb81.6 kg | 225 lb102.1 kg | 270 lb122.5 kg | |
| 160 lb72.6 kg | Barbell Side Lunge | 30 lb13.6 kg | 46 lb20.9 kg | 66 lb29.9 kg | 91 lb41.3 kg |
| Smith Machine Back Squat | 141 lb64 kg | 188 lb85.3 kg | 235 lb106.6 kg | 282 lb127.9 kg | |
| 170 lb77.1 kg | Barbell Side Lunge | 32 lb14.5 kg | 48 lb21.8 kg | 68 lb30.8 kg | 95 lb43.1 kg |
| Smith Machine Back Squat | 147 lb66.7 kg | 196 lb88.9 kg | 245 lb111.1 kg | 293 lb132.9 kg | |
| 180 lb81.6 kg | Barbell Side Lunge | 33 lb15 kg | 50 lb22.7 kg | 71 lb32.2 kg | 98 lb44.5 kg |
| Smith Machine Back Squat | 152 lb68.9 kg | 203 lb92.1 kg | 254 lb115.2 kg | 305 lb138.3 kg | |
| 190 lb86.2 kg | Barbell Side Lunge | 34 lb15.4 kg | 52 lb23.6 kg | 74 lb33.6 kg | 102 lb46.3 kg |
| Smith Machine Back Squat | 158 lb71.7 kg | 211 lb95.7 kg | 263 lb119.3 kg | 316 lb143.3 kg | |
| 200 lb90.7 kg | Barbell Side Lunge | 35 lb15.9 kg | 53 lb24 kg | 76 lb34.5 kg | 105 lb47.6 kg |
| Smith Machine Back Squat | 164 lb74.4 kg | 218 lb98.9 kg | 273 lb123.8 kg | 327 lb148.3 kg | |
| 210 lb95.3 kg | Barbell Side Lunge | 36 lb16.3 kg | 55 lb24.9 kg | 79 lb35.8 kg | 109 lb49.4 kg |
| Smith Machine Back Squat | 169 lb76.7 kg | 225 lb102.1 kg | 282 lb127.9 kg | 338 lb153.3 kg | |
| 220 lb99.8 kg | Barbell Side Lunge | 37 lb16.8 kg | 57 lb25.9 kg | 81 lb36.7 kg | 112 lb50.8 kg |
| Smith Machine Back Squat | 174 lb78.9 kg | 232 lb105.2 kg | 290 lb131.5 kg | 349 lb158.3 kg | |
| 230 lb104.3 kg | Barbell Side Lunge | 39 lb17.7 kg | 59 lb26.8 kg | 84 lb38.1 kg | 116 lb52.6 kg |
| Smith Machine Back Squat | 180 lb81.6 kg | 239 lb108.4 kg | 299 lb135.6 kg | 359 lb162.8 kg | |
| 240 lb108.9 kg | Barbell Side Lunge | 40 lb18.1 kg | 60 lb27.2 kg | 86 lb39 kg | 119 lb54 kg |
| Smith Machine Back Squat | 185 lb83.9 kg | 246 lb111.6 kg | 308 lb139.7 kg | 369 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.
| Stage | What happens |
|---|---|
| Estimate each max | Use the entered weight for 1 rep; for 2–12 reps, keep the lower formula result. |
| Rate the barbell side lunge | Use the exercise-specific estimated max and adjust targets to exact bodyweight with the two-thirds scaling rule. |
| Rate the Smith machine back squat | Adjust Smith machine back squat targets to exact bodyweight with the two-thirds rule. |
| Compare different levels | Name the lower-level lift as the priority. |
| Compare matching levels | Use 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:
The standards come closest at 120 lb.
The higher target remains with Smith Machine Back Squat for Novice, Intermediate, Advanced, and Elite throughout the table.
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:
The standards come closest at 100 lb.
Novice, Intermediate, Advanced, and Elite at every displayed bodyweight.
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.
Related Tools
- 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.