Dumbbell Lunge vs Smith Machine Narrow-Stance Squat
Compare your dumbbell lunge and smith machine narrow-stance 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: combined dumbbell load and 1–12 strict reps. Second lift: weight used and 1–12 strict reps. Pounds or kilograms. For the first exercise, use one forward or reverse lunge direction for the set, reach at least parallel front-thigh depth with the back knee near the floor, and return to stable standing. For the second exercise, descend until both hip creases are below the top of the knees; rise to simultaneous hip/knee lockout. Each lift is compared with its own standards, so the heavier lift is not automatically the stronger one.
Dumbbell Lunge vs Smith Machine Narrow-Stance Squat Strength Standards
Use these tables to compare the estimated one-rep max required for the dumbbell lunge and smith machine narrow-stance 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 Dumbbell Lunge / Smith Machine Narrow-Stance Squat, with pounds above kilograms. Use the calculator for your exact bodyweight and recent sets.
Men’s Dumbbell Lunge vs Smith Machine Narrow-Stance 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 | Dumbbell Lunge | 62 lb28.1 kg | 92 lb41.7 kg | 129 lb58.5 kg | 171 lb77.6 kg |
| Smith Machine Narrow-Stance Squat | 185 lb83.9 kg | 224 lb101.6 kg | 265 lb120.2 kg | 306 lb138.8 kg | |
| 130 lb59 kg | Dumbbell Lunge | 65 lb29.5 kg | 97 lb44 kg | 136 lb61.7 kg | 180 lb81.6 kg |
| Smith Machine Narrow-Stance Squat | 195 lb88.5 kg | 236 lb107 kg | 280 lb127 kg | 323 lb146.5 kg | |
| 140 lb63.5 kg | Dumbbell Lunge | 69 lb31.3 kg | 102 lb46.3 kg | 143 lb64.9 kg | 189 lb85.7 kg |
| Smith Machine Narrow-Stance Squat | 205 lb93 kg | 248 lb112.5 kg | 294 lb133.4 kg | 339 lb153.8 kg | |
| 150 lb68 kg | Dumbbell Lunge | 72 lb32.7 kg | 107 lb48.5 kg | 149 lb67.6 kg | 198 lb89.8 kg |
| Smith Machine Narrow-Stance Squat | 214 lb97.1 kg | 260 lb117.9 kg | 308 lb139.7 kg | 355 lb161 kg | |
| 160 lb72.6 kg | Dumbbell Lunge | 75 lb34 kg | 111 lb50.3 kg | 156 lb70.8 kg | 207 lb93.9 kg |
| Smith Machine Narrow-Stance Squat | 224 lb101.6 kg | 271 lb122.9 kg | 321 lb145.6 kg | 371 lb168.3 kg | |
| 170 lb77.1 kg | Dumbbell Lunge | 78 lb35.4 kg | 116 lb52.6 kg | 162 lb73.5 kg | 215 lb97.5 kg |
| Smith Machine Narrow-Stance Squat | 233 lb105.7 kg | 282 lb127.9 kg | 334 lb151.5 kg | 386 lb175.1 kg | |
| 180 lb81.6 kg | Dumbbell Lunge | 81 lb36.7 kg | 121 lb54.9 kg | 169 lb76.7 kg | 224 lb101.6 kg |
| Smith Machine Narrow-Stance Squat | 242 lb109.8 kg | 293 lb132.9 kg | 347 lb157.4 kg | 401 lb181.9 kg | |
| 190 lb86.2 kg | Dumbbell Lunge | 84 lb38.1 kg | 125 lb56.7 kg | 175 lb79.4 kg | 232 lb105.2 kg |
| Smith Machine Narrow-Stance Squat | 251 lb113.9 kg | 304 lb137.9 kg | 360 lb163.3 kg | 416 lb188.7 kg | |
| 200 lb90.7 kg | Dumbbell Lunge | 87 lb39.5 kg | 129 lb58.5 kg | 181 lb82.1 kg | 240 lb108.9 kg |
| Smith Machine Narrow-Stance Squat | 260 lb117.9 kg | 315 lb142.9 kg | 373 lb169.2 kg | 430 lb195 kg | |
| 210 lb95.3 kg | Dumbbell Lunge | 90 lb40.8 kg | 134 lb60.8 kg | 187 lb84.8 kg | 248 lb112.5 kg |
| Smith Machine Narrow-Stance Squat | 268 lb121.6 kg | 325 lb147.4 kg | 385 lb174.6 kg | 445 lb201.8 kg | |
| 220 lb99.8 kg | Dumbbell Lunge | 93 lb42.2 kg | 138 lb62.6 kg | 193 lb87.5 kg | 256 lb116.1 kg |
| Smith Machine Narrow-Stance Squat | 277 lb125.6 kg | 335 lb152 kg | 397 lb180.1 kg | 459 lb208.2 kg | |
| 230 lb104.3 kg | Dumbbell Lunge | 95 lb43.1 kg | 142 lb64.4 kg | 199 lb90.3 kg | 264 lb119.7 kg |
| Smith Machine Narrow-Stance Squat | 285 lb129.3 kg | 345 lb156.5 kg | 409 lb185.5 kg | 473 lb214.5 kg | |
| 240 lb108.9 kg | Dumbbell Lunge | 98 lb44.5 kg | 146 lb66.2 kg | 204 lb92.5 kg | 271 lb122.9 kg |
| Smith Machine Narrow-Stance Squat | 293 lb132.9 kg | 355 lb161 kg | 421 lb191 kg | 486 lb220.4 kg | |
| 250 lb113.4 kg | Dumbbell Lunge | 101 lb45.8 kg | 150 lb68 kg | 210 lb95.3 kg | 279 lb126.6 kg |
| Smith Machine Narrow-Stance Squat | 301 lb136.5 kg | 365 lb165.6 kg | 432 lb196 kg | 500 lb226.8 kg | |
| 260 lb117.9 kg | Dumbbell Lunge | 104 lb47.2 kg | 154 lb69.9 kg | 216 lb98 kg | 286 lb129.7 kg |
| Smith Machine Narrow-Stance Squat | 309 lb140.2 kg | 375 lb170.1 kg | 444 lb201.4 kg | 513 lb232.7 kg | |
| 270 lb122.5 kg | Dumbbell Lunge | 106 lb48.1 kg | 158 lb71.7 kg | 221 lb100.2 kg | 293 lb132.9 kg |
| Smith Machine Narrow-Stance Squat | 317 lb143.8 kg | 384 lb174.2 kg | 455 lb206.4 kg | 526 lb238.6 kg | |
| 280 lb127 kg | Dumbbell Lunge | 109 lb49.4 kg | 162 lb73.5 kg | 227 lb103 kg | 300 lb136.1 kg |
| Smith Machine Narrow-Stance Squat | 325 lb147.4 kg | 394 lb178.7 kg | 466 lb211.4 kg | 539 lb244.5 kg | |
| 290 lb131.5 kg | Dumbbell Lunge | 111 lb50.3 kg | 166 lb75.3 kg | 232 lb105.2 kg | 308 lb139.7 kg |
| Smith Machine Narrow-Stance Squat | 333 lb151 kg | 403 lb182.8 kg | 477 lb216.4 kg | 551 lb249.9 kg | |
| 300 lb136.1 kg | Dumbbell Lunge | 114 lb51.7 kg | 169 lb76.7 kg | 237 lb107.5 kg | 315 lb142.9 kg |
| Smith Machine Narrow-Stance Squat | 340 lb154.2 kg | 412 lb186.9 kg | 488 lb221.4 kg | 564 lb255.8 kg |
Women’s Dumbbell Lunge vs Smith Machine Narrow-Stance 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 | Dumbbell Lunge | 38 lb17.2 kg | 57 lb25.9 kg | 82 lb37.2 kg | 112 lb50.8 kg |
| Smith Machine Narrow-Stance Squat | 100 lb45.4 kg | 129 lb58.5 kg | 162 lb73.5 kg | 192 lb87.1 kg | |
| 110 lb49.9 kg | Dumbbell Lunge | 41 lb18.6 kg | 61 lb27.7 kg | 87 lb39.5 kg | 120 lb54.4 kg |
| Smith Machine Narrow-Stance Squat | 107 lb48.5 kg | 137 lb62.1 kg | 172 lb78 kg | 205 lb93 kg | |
| 120 lb54.4 kg | Dumbbell Lunge | 43 lb19.5 kg | 65 lb29.5 kg | 92 lb41.7 kg | 127 lb57.6 kg |
| Smith Machine Narrow-Stance Squat | 113 lb51.3 kg | 146 lb66.2 kg | 183 lb83 kg | 217 lb98.4 kg | |
| 130 lb59 kg | Dumbbell Lunge | 45 lb20.4 kg | 68 lb30.8 kg | 97 lb44 kg | 134 lb60.8 kg |
| Smith Machine Narrow-Stance Squat | 119 lb54 kg | 154 lb69.9 kg | 193 lb87.5 kg | 229 lb103.9 kg | |
| 140 lb63.5 kg | Dumbbell Lunge | 48 lb21.8 kg | 72 lb32.7 kg | 102 lb46.3 kg | 140 lb63.5 kg |
| Smith Machine Narrow-Stance Squat | 125 lb56.7 kg | 161 lb73 kg | 202 lb91.6 kg | 241 lb109.3 kg | |
| 150 lb68 kg | Dumbbell Lunge | 50 lb22.7 kg | 75 lb34 kg | 107 lb48.5 kg | 147 lb66.7 kg |
| Smith Machine Narrow-Stance Squat | 131 lb59.4 kg | 169 lb76.7 kg | 212 lb96.2 kg | 252 lb114.3 kg | |
| 160 lb72.6 kg | Dumbbell Lunge | 52 lb23.6 kg | 78 lb35.4 kg | 112 lb50.8 kg | 153 lb69.4 kg |
| Smith Machine Narrow-Stance Squat | 137 lb62.1 kg | 176 lb79.8 kg | 221 lb100.2 kg | 263 lb119.3 kg | |
| 170 lb77.1 kg | Dumbbell Lunge | 54 lb24.5 kg | 82 lb37.2 kg | 116 lb52.6 kg | 160 lb72.6 kg |
| Smith Machine Narrow-Stance Squat | 142 lb64.4 kg | 184 lb83.5 kg | 230 lb104.3 kg | 274 lb124.3 kg | |
| 180 lb81.6 kg | Dumbbell Lunge | 56 lb25.4 kg | 85 lb38.6 kg | 121 lb54.9 kg | 166 lb75.3 kg |
| Smith Machine Narrow-Stance Squat | 148 lb67.1 kg | 191 lb86.6 kg | 239 lb108.4 kg | 285 lb129.3 kg | |
| 190 lb86.2 kg | Dumbbell Lunge | 59 lb26.8 kg | 88 lb39.9 kg | 125 lb56.7 kg | 172 lb78 kg |
| Smith Machine Narrow-Stance Squat | 153 lb69.4 kg | 198 lb89.8 kg | 248 lb112.5 kg | 295 lb133.8 kg | |
| 200 lb90.7 kg | Dumbbell Lunge | 61 lb27.7 kg | 91 lb41.3 kg | 130 lb59 kg | 178 lb80.7 kg |
| Smith Machine Narrow-Stance Squat | 159 lb72.1 kg | 205 lb93 kg | 257 lb116.6 kg | 305 lb138.3 kg | |
| 210 lb95.3 kg | Dumbbell Lunge | 63 lb28.6 kg | 94 lb42.6 kg | 134 lb60.8 kg | 184 lb83.5 kg |
| Smith Machine Narrow-Stance Squat | 164 lb74.4 kg | 211 lb95.7 kg | 265 lb120.2 kg | 315 lb142.9 kg | |
| 220 lb99.8 kg | Dumbbell Lunge | 65 lb29.5 kg | 97 lb44 kg | 138 lb62.6 kg | 190 lb86.2 kg |
| Smith Machine Narrow-Stance Squat | 169 lb76.7 kg | 218 lb98.9 kg | 274 lb124.3 kg | 325 lb147.4 kg | |
| 230 lb104.3 kg | Dumbbell Lunge | 66 lb29.9 kg | 100 lb45.4 kg | 142 lb64.4 kg | 195 lb88.5 kg |
| Smith Machine Narrow-Stance Squat | 174 lb78.9 kg | 225 lb102.1 kg | 282 lb127.9 kg | 335 lb152 kg | |
| 240 lb108.9 kg | Dumbbell Lunge | 68 lb30.8 kg | 103 lb46.7 kg | 146 lb66.2 kg | 201 lb91.2 kg |
| Smith Machine Narrow-Stance Squat | 179 lb81.2 kg | 231 lb104.8 kg | 290 lb131.5 kg | 345 lb156.5 kg |
How Your Dumbbell Lunge vs Smith Machine Narrow-Stance Squat Result Is Calculated
Each set is converted to an estimated max before the calculator assigns exercise-specific strength levels and compares them.
1. Estimate a one-rep max from each set
When the set contains one rep, the entered load is the estimate. For 2–12 reps, the calculator keeps the less aggressive of the two formula results.
- Epley: weight × (1 + reps ÷ 30)
- Brzycki: weight × 36 ÷ (37 − reps)
Use recent Dumbbell Lunge and Smith Machine Narrow-Stance 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 dumbbell lunge strength level
For dumbbell 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.
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 narrow-stance squat strength level
The standards use the sex-specific thresholds from the individual Smith Machine Narrow-Stance 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.
The target rises more slowly than bodyweight so larger lifters are expected to lift more without requiring strength to increase pound for pound.
4. Compare the two results
The lift with the lower Beginner-to-Elite rating is the priority. If both ratings match, the calculator requires a 10-point difference in next-level progress before naming a priority; otherwise it reports Balanced.
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 dumbbell lunge | Use combined-dumbbell estimated max and adjust targets with the two-thirds rule. |
| Rate the smith machine narrow-stance 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. |
Use the calculator above to view both estimated maxes, strength levels, next targets, and the resulting priority or Balanced verdict.
How Men’s Dumbbell Lunge and Smith Machine Narrow-Stance Squat Standards Differ
What the men’s data shows:
The standards come closest at 120 lb.
Novice, Intermediate, Advanced, and Elite at every displayed bodyweight.
At Elite, the difference is 61.2 kg at 120 lb and 112.9 kg at 300 lb.
How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Smith Machine Narrow-Stance Squat standard minus the Dumbbell Lunge standard: zero means equal, above zero means the Smith Machine Narrow-Stance Squat standard is higher, and below zero means the Dumbbell 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 Dumbbell Lunge and Smith Machine Narrow-Stance Squat Standards Differ
What the women’s data shows:
The standards come closest at 100 lb.
Across all listed bodyweights, Novice, Intermediate, Advanced, and Elite keep the same higher-target direction.
36.3 → 65.3 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 Narrow-Stance Squat standard minus the Dumbbell Lunge standard: zero means equal, above zero means the Smith Machine Narrow-Stance Squat standard is higher, and below zero means the Dumbbell 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.
Dumbbell Lunge and Smith Machine Narrow-Stance Squat Exercises Used by This Calculator
Valid results depend on using the specified dumbbell lunge and smith machine narrow-stance squat technique and load convention. Use strict, repeatable Dumbbell Lunge and Smith Machine Narrow-Stance 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.
Enter combined load from two matched dumbbells
Use one forward or reverse lunge direction for the set, reach at least parallel front-thigh depth with the back knee near the floor, and return to stable standing. Do not enter per-hand load, stationary split squats, walking or Bulgarian lunges, support, bounce, partial reps, or substitutions.
Use the Smith Machine Narrow-Stance Squat setup and load convention
Use Smith rails vertical within 1 degree and a non-counterbalanced bar. Measure unloaded resistance and enter it plus all plates on both sleeves. Center bar on upper trapezius. Heel-center distance must be no greater than measured hip-joint-center width. Outward toe angle is permitted. Heels remain flat and stance remains fixed. Position feet so bar center is over midfoot at bottom. Descend until both hip creases are below the top of the knees; rise to simultaneous hip/knee lockout. Count 1–10 controlled reps without stance change, heel rise, knee collapse, bar-position change, rehooking, stop contact, or assistance. Belt/sleeves/chalk/shoes allowed; heel wedges/blocks, rebound wraps, suits, and partials prohibited.
Enter one recent Dumbbell Lunge result and one recent Smith Machine Narrow-Stance Squat result
First lift: combined dumbbell load and 1–12 strict reps. Second lift: weight used and 1–12 strict reps. Pounds or kilograms.
Related Tools
- Dumbbell Lunge — View the individual Dumbbell Lunge standards and next strength-level target.
- Smith Machine Narrow-Stance Squat — View the individual Smith Machine Narrow-Stance Squat standards and next strength-level target.
- Barbell Lunge — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
- Barbell Reverse Lunge — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
- Bulgarian Split Squat (Per Leg, Raw) — 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.