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.
| 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 Box Squat | 175 lb79.4 kg | 217 lb98.4 kg | 262 lb118.8 kg | 308 lb139.7 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 Box Squat | 185 lb83.9 kg | 229 lb103.9 kg | 276 lb125.2 kg | 325 lb147.4 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 Box Squat | 194 lb88 kg | 241 lb109.3 kg | 290 lb131.5 kg | 341 lb154.7 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 Box Squat | 203 lb92.1 kg | 252 lb114.3 kg | 304 lb137.9 kg | 357 lb161.9 kg | |
| 160 lb72.6 kg | Barbell Side Lunge | 44 lb20 kg | 64 lb29 kg | 92 lb41.7 kg | 126 lb57.2 kg |
| Smith Machine Box Squat | 212 lb96.2 kg | 263 lb119.3 kg | 317 lb143.8 kg | 373 lb169.2 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 Box Squat | 221 lb100.2 kg | 274 lb124.3 kg | 331 lb150.1 kg | 388 lb176 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 Box Squat | 230 lb104.3 kg | 285 lb129.3 kg | 343 lb155.6 kg | 403 lb182.8 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 Box Squat | 238 lb108 kg | 295 lb133.8 kg | 356 lb161.5 kg | 418 lb189.6 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 Box Squat | 246 lb111.6 kg | 305 lb138.3 kg | 368 lb166.9 kg | 433 lb196.4 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 Box Squat | 254 lb115.2 kg | 315 lb142.9 kg | 381 lb172.8 kg | 447 lb202.8 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 Box Squat | 262 lb118.8 kg | 325 lb147.4 kg | 393 lb178.3 kg | 461 lb209.1 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 Box Squat | 270 lb122.5 kg | 335 lb152 kg | 404 lb183.3 kg | 475 lb215.5 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 Box Squat | 278 lb126.1 kg | 345 lb156.5 kg | 416 lb188.7 kg | 488 lb221.4 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 Box Squat | 286 lb129.7 kg | 354 lb160.6 kg | 427 lb193.7 kg | 502 lb227.7 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 Box Squat | 293 lb132.9 kg | 364 lb165.1 kg | 439 lb199.1 kg | 515 lb233.6 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 Box Squat | 301 lb136.5 kg | 373 lb169.2 kg | 450 lb204.1 kg | 528 lb239.5 kg | |
| 280 lb127 kg | Barbell Side Lunge | 63 lb28.6 kg | 93 lb42.2 kg | 133 lb60.3 kg | 183 lb83 kg |
| Smith Machine Box Squat | 308 lb139.7 kg | 382 lb173.3 kg | 461 lb209.1 kg | 541 lb245.4 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 Box Squat | 316 lb143.3 kg | 391 lb177.4 kg | 472 lb214.1 kg | 554 lb251.3 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 Box Squat | 323 lb146.5 kg | 400 lb181.4 kg | 483 lb219.1 kg | 567 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.
| 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 Box Squat | 98 lb44.5 kg | 129 lb58.5 kg | 163 lb73.9 kg | 198 lb89.8 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 Box Squat | 104 lb47.2 kg | 137 lb62.1 kg | 174 lb78.9 kg | 211 lb95.7 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 Box Squat | 110 lb49.9 kg | 146 lb66.2 kg | 184 lb83.5 kg | 223 lb101.2 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 Box Squat | 116 lb52.6 kg | 154 lb69.9 kg | 195 lb88.5 kg | 235 lb106.6 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 Box Squat | 122 lb55.3 kg | 161 lb73 kg | 204 lb92.5 kg | 247 lb112 kg | |
| 150 lb68 kg | Barbell Side Lunge | 29 lb13.2 kg | 44 lb20 kg | 63 lb28.6 kg | 87 lb39.5 kg |
| Smith Machine Box Squat | 128 lb58.1 kg | 169 lb76.7 kg | 214 lb97.1 kg | 259 lb117.5 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 Box Squat | 134 lb60.8 kg | 176 lb79.8 kg | 223 lb101.2 kg | 270 lb122.5 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 Box Squat | 139 lb63 kg | 184 lb83.5 kg | 233 lb105.7 kg | 282 lb127.9 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 Box Squat | 145 lb65.8 kg | 191 lb86.6 kg | 242 lb109.8 kg | 292 lb132.4 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 Box Squat | 150 lb68 kg | 198 lb89.8 kg | 251 lb113.9 kg | 303 lb137.4 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 Box Squat | 155 lb70.3 kg | 205 lb93 kg | 259 lb117.5 kg | 314 lb142.4 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 Box Squat | 160 lb72.6 kg | 211 lb95.7 kg | 268 lb121.6 kg | 324 lb147 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 Box Squat | 165 lb74.8 kg | 218 lb98.9 kg | 276 lb125.2 kg | 334 lb151.5 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 Box Squat | 170 lb77.1 kg | 225 lb102.1 kg | 285 lb129.3 kg | 344 lb156 kg | |
| 240 lb108.9 kg | Barbell Side Lunge | 40 lb18.1 kg | 60 lb27.2 kg | 86 lb39 kg | 119 lb54 kg |
| Smith Machine Box Squat | 175 lb79.4 kg | 231 lb104.8 kg | 293 lb132.9 kg | 354 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.
| 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 box squat | Use the exercise-specific estimated max and adjust targets to exact bodyweight with the two-thirds scaling 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 Box Squat Standards Differ
What the men’s data shows:
The standards come closest at 120 lb.
Across all listed bodyweights, Novice, Intermediate, Advanced, and Elite keep the same higher-target direction.
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:
The standards come closest at 100 lb.
The higher target remains with Smith Machine Box Squat for Novice, Intermediate, Advanced, and Elite throughout the table.
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.
Related Tools
- 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.