Barbell Side Lunge vs Smith Machine Lunge
Compare your barbell side lunge and Smith machine lunge against strength standards for your sex and bodyweight. Enter one recent set of 1–12 reps for each lift to see estimated one-rep maxes, strength levels, next targets, and priority.
First lift: weight used and 1–12 strict reps. Second lift: smith bar plus plates 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 one split stance, descend to accepted depth, drive through the lead leg, and finish tall without bouncing, assistance, shortened range, or substituted movement. Each lift is compared with its own standards, so the heavier lift is not automatically the stronger one.
Barbell Side Lunge vs Smith Machine Lunge Strength Standards
These bodyweight tables place the barbell side lunge and Smith machine lunge 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 Lunge, 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 Lunge 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 Lunge | 63 lb28.6 kg | 98 lb44.5 kg | 137 lb62.1 kg | 175 lb79.4 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 Lunge | 67 lb30.4 kg | 103 lb46.7 kg | 144 lb65.3 kg | 185 lb83.9 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 Lunge | 70 lb31.8 kg | 109 lb49.4 kg | 152 lb68.9 kg | 194 lb88 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 Lunge | 73 lb33.1 kg | 114 lb51.7 kg | 159 lb72.1 kg | 203 lb92.1 kg | |
| 160 lb72.6 kg | Barbell Side Lunge | 44 lb20 kg | 64 lb29 kg | 92 lb41.7 kg | 126 lb57.2 kg |
| Smith Machine Lunge | 77 lb34.9 kg | 119 lb54 kg | 166 lb75.3 kg | 212 lb96.2 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 Lunge | 80 lb36.3 kg | 123 lb55.8 kg | 173 lb78.5 kg | 221 lb100.2 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 Lunge | 83 lb37.6 kg | 128 lb58.1 kg | 179 lb81.2 kg | 230 lb104.3 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 Lunge | 86 lb39 kg | 133 lb60.3 kg | 186 lb84.4 kg | 238 lb108 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 Lunge | 89 lb40.4 kg | 138 lb62.6 kg | 192 lb87.1 kg | 246 lb111.6 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 Lunge | 92 lb41.7 kg | 142 lb64.4 kg | 199 lb90.3 kg | 254 lb115.2 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 Lunge | 95 lb43.1 kg | 147 lb66.7 kg | 205 lb93 kg | 262 lb118.8 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 Lunge | 98 lb44.5 kg | 151 lb68.5 kg | 211 lb95.7 kg | 270 lb122.5 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 Lunge | 100 lb45.4 kg | 155 lb70.3 kg | 217 lb98.4 kg | 278 lb126.1 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 Lunge | 103 lb46.7 kg | 160 lb72.6 kg | 223 lb101.2 kg | 286 lb129.7 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 Lunge | 106 lb48.1 kg | 164 lb74.4 kg | 229 lb103.9 kg | 293 lb132.9 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 Lunge | 109 lb49.4 kg | 168 lb76.2 kg | 235 lb106.6 kg | 301 lb136.5 kg | |
| 280 lb127 kg | Barbell Side Lunge | 63 lb28.6 kg | 93 lb42.2 kg | 133 lb60.3 kg | 183 lb83 kg |
| Smith Machine Lunge | 111 lb50.3 kg | 172 lb78 kg | 241 lb109.3 kg | 308 lb139.7 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 Lunge | 114 lb51.7 kg | 176 lb79.8 kg | 247 lb112 kg | 316 lb143.3 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 Lunge | 117 lb53.1 kg | 180 lb81.6 kg | 252 lb114.3 kg | 323 lb146.5 kg |
Women’s Barbell Side Lunge vs Smith Machine Lunge 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 Lunge | 37 lb16.8 kg | 60 lb27.2 kg | 86 lb39 kg | 112 lb50.8 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 Lunge | 39 lb17.7 kg | 63 lb28.6 kg | 92 lb41.7 kg | 120 lb54.4 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 Lunge | 41 lb18.6 kg | 67 lb30.4 kg | 97 lb44 kg | 127 lb57.6 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 Lunge | 44 lb20 kg | 71 lb32.2 kg | 103 lb46.7 kg | 134 lb60.8 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 Lunge | 46 lb20.9 kg | 74 lb33.6 kg | 108 lb49 kg | 140 lb63.5 kg | |
| 150 lb68 kg | Barbell Side Lunge | 29 lb13.2 kg | 44 lb20 kg | 63 lb28.6 kg | 87 lb39.5 kg |
| Smith Machine Lunge | 48 lb21.8 kg | 78 lb35.4 kg | 113 lb51.3 kg | 147 lb66.7 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 Lunge | 50 lb22.7 kg | 81 lb36.7 kg | 118 lb53.5 kg | 153 lb69.4 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 Lunge | 52 lb23.6 kg | 85 lb38.6 kg | 123 lb55.8 kg | 160 lb72.6 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 Lunge | 54 lb24.5 kg | 88 lb39.9 kg | 128 lb58.1 kg | 166 lb75.3 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 Lunge | 56 lb25.4 kg | 91 lb41.3 kg | 132 lb59.9 kg | 172 lb78 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 Lunge | 58 lb26.3 kg | 94 lb42.6 kg | 137 lb62.1 kg | 178 lb80.7 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 Lunge | 60 lb27.2 kg | 98 lb44.5 kg | 141 lb64 kg | 184 lb83.5 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 Lunge | 62 lb28.1 kg | 101 lb45.8 kg | 146 lb66.2 kg | 190 lb86.2 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 Lunge | 64 lb29 kg | 104 lb47.2 kg | 150 lb68 kg | 195 lb88.5 kg | |
| 240 lb108.9 kg | Barbell Side Lunge | 40 lb18.1 kg | 60 lb27.2 kg | 86 lb39 kg | 119 lb54 kg |
| Smith Machine Lunge | 66 lb29.9 kg | 107 lb48.5 kg | 155 lb70.3 kg | 201 lb91.2 kg |
How Your Barbell Side Lunge vs Smith Machine Lunge 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)
For the most useful Barbell Side Lunge vs Smith Machine Lunge comparison, enter clean, difficult sets performed with the same technique and range of motion you use in training. Lower-rep sets usually require less extrapolation.
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.
This adjustment expects larger lifters to move more weight, but it does not increase the target pound for pound with bodyweight.
3. Find the Smith machine lunge strength level
The standards use the sex-specific strength levels from the individual Smith Machine 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.
Two-thirds scaling raises the target as bodyweight rises while limiting the size advantage that a direct one-to-one adjustment would create.
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.
The result identifies the lower standards rating, not its cause. Technique, fatigue, training history, and set quality can all affect the comparison. 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 lunge | Adjust Smith machine lunge targets to exact bodyweight with the two-thirds rule while preserving Smith load and total reps across both legs. |
| 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. |
Use the calculator above to view both estimated maxes, strength levels, next targets, and the resulting priority or Balanced verdict.
How Men’s Barbell Side Lunge and Smith Machine Lunge 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.
At Elite, the difference is 32.2 kg at 120 lb and 59.9 kg at 300 lb.
How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Smith Machine Lunge standard minus the Barbell Side Lunge standard: zero means equal, above zero means the Smith Machine Lunge 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 Lunge Standards Differ
What the women’s data shows:
The standards come closest at 100 lb.
Novice, Intermediate, Advanced, and Elite at every displayed bodyweight.
Across 100–240 lb bodyweight, the Elite gap changes from 20.9 to 37.2 kg.
How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Smith Machine Lunge standard minus the Barbell Side Lunge standard: zero means equal, above zero means the Smith Machine Lunge 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 Lunge Exercises Used by This Calculator
Compare like-for-like attempts by keeping the barbell side lunge and Smith machine lunge setup consistent with their individual rules. Use strict, repeatable Barbell Side Lunge and Smith Machine Lunge 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 split stance and count both legs combined
Enter the Smith bar plus plates and total valid reps across both legs. Keep one split stance, descend to accepted depth, drive through the lead leg, and finish tall without bouncing, assistance, shortened range, or substituted movement.
Enter one recent Barbell Side Lunge result and one recent Smith Machine Lunge result
First lift: weight used and 1–12 strict reps. Second lift: smith bar plus plates 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 Lunge — View the individual Smith Machine Lunge 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.
- Dumbbell Lunge — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
- Dumbbell Reverse Lunge — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.