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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.

Men’s Dumbbell Lunge vs Smith Machine Narrow-Stance Squat standards
BodyweightExerciseNoviceIntermediateAdvancedElite
120 lb54.4 kgDumbbell Lunge62 lb28.1 kg92 lb41.7 kg129 lb58.5 kg171 lb77.6 kg
Smith Machine Narrow-Stance Squat185 lb83.9 kg224 lb101.6 kg265 lb120.2 kg306 lb138.8 kg
130 lb59 kgDumbbell Lunge65 lb29.5 kg97 lb44 kg136 lb61.7 kg180 lb81.6 kg
Smith Machine Narrow-Stance Squat195 lb88.5 kg236 lb107 kg280 lb127 kg323 lb146.5 kg
140 lb63.5 kgDumbbell Lunge69 lb31.3 kg102 lb46.3 kg143 lb64.9 kg189 lb85.7 kg
Smith Machine Narrow-Stance Squat205 lb93 kg248 lb112.5 kg294 lb133.4 kg339 lb153.8 kg
150 lb68 kgDumbbell Lunge72 lb32.7 kg107 lb48.5 kg149 lb67.6 kg198 lb89.8 kg
Smith Machine Narrow-Stance Squat214 lb97.1 kg260 lb117.9 kg308 lb139.7 kg355 lb161 kg
160 lb72.6 kgDumbbell Lunge75 lb34 kg111 lb50.3 kg156 lb70.8 kg207 lb93.9 kg
Smith Machine Narrow-Stance Squat224 lb101.6 kg271 lb122.9 kg321 lb145.6 kg371 lb168.3 kg
170 lb77.1 kgDumbbell Lunge78 lb35.4 kg116 lb52.6 kg162 lb73.5 kg215 lb97.5 kg
Smith Machine Narrow-Stance Squat233 lb105.7 kg282 lb127.9 kg334 lb151.5 kg386 lb175.1 kg
180 lb81.6 kgDumbbell Lunge81 lb36.7 kg121 lb54.9 kg169 lb76.7 kg224 lb101.6 kg
Smith Machine Narrow-Stance Squat242 lb109.8 kg293 lb132.9 kg347 lb157.4 kg401 lb181.9 kg
190 lb86.2 kgDumbbell Lunge84 lb38.1 kg125 lb56.7 kg175 lb79.4 kg232 lb105.2 kg
Smith Machine Narrow-Stance Squat251 lb113.9 kg304 lb137.9 kg360 lb163.3 kg416 lb188.7 kg
200 lb90.7 kgDumbbell Lunge87 lb39.5 kg129 lb58.5 kg181 lb82.1 kg240 lb108.9 kg
Smith Machine Narrow-Stance Squat260 lb117.9 kg315 lb142.9 kg373 lb169.2 kg430 lb195 kg
210 lb95.3 kgDumbbell Lunge90 lb40.8 kg134 lb60.8 kg187 lb84.8 kg248 lb112.5 kg
Smith Machine Narrow-Stance Squat268 lb121.6 kg325 lb147.4 kg385 lb174.6 kg445 lb201.8 kg
220 lb99.8 kgDumbbell Lunge93 lb42.2 kg138 lb62.6 kg193 lb87.5 kg256 lb116.1 kg
Smith Machine Narrow-Stance Squat277 lb125.6 kg335 lb152 kg397 lb180.1 kg459 lb208.2 kg
230 lb104.3 kgDumbbell Lunge95 lb43.1 kg142 lb64.4 kg199 lb90.3 kg264 lb119.7 kg
Smith Machine Narrow-Stance Squat285 lb129.3 kg345 lb156.5 kg409 lb185.5 kg473 lb214.5 kg
240 lb108.9 kgDumbbell Lunge98 lb44.5 kg146 lb66.2 kg204 lb92.5 kg271 lb122.9 kg
Smith Machine Narrow-Stance Squat293 lb132.9 kg355 lb161 kg421 lb191 kg486 lb220.4 kg
250 lb113.4 kgDumbbell Lunge101 lb45.8 kg150 lb68 kg210 lb95.3 kg279 lb126.6 kg
Smith Machine Narrow-Stance Squat301 lb136.5 kg365 lb165.6 kg432 lb196 kg500 lb226.8 kg
260 lb117.9 kgDumbbell Lunge104 lb47.2 kg154 lb69.9 kg216 lb98 kg286 lb129.7 kg
Smith Machine Narrow-Stance Squat309 lb140.2 kg375 lb170.1 kg444 lb201.4 kg513 lb232.7 kg
270 lb122.5 kgDumbbell Lunge106 lb48.1 kg158 lb71.7 kg221 lb100.2 kg293 lb132.9 kg
Smith Machine Narrow-Stance Squat317 lb143.8 kg384 lb174.2 kg455 lb206.4 kg526 lb238.6 kg
280 lb127 kgDumbbell Lunge109 lb49.4 kg162 lb73.5 kg227 lb103 kg300 lb136.1 kg
Smith Machine Narrow-Stance Squat325 lb147.4 kg394 lb178.7 kg466 lb211.4 kg539 lb244.5 kg
290 lb131.5 kgDumbbell Lunge111 lb50.3 kg166 lb75.3 kg232 lb105.2 kg308 lb139.7 kg
Smith Machine Narrow-Stance Squat333 lb151 kg403 lb182.8 kg477 lb216.4 kg551 lb249.9 kg
300 lb136.1 kgDumbbell Lunge114 lb51.7 kg169 lb76.7 kg237 lb107.5 kg315 lb142.9 kg
Smith Machine Narrow-Stance Squat340 lb154.2 kg412 lb186.9 kg488 lb221.4 kg564 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.

Women’s Dumbbell Lunge vs Smith Machine Narrow-Stance Squat standards
BodyweightExerciseNoviceIntermediateAdvancedElite
100 lb45.4 kgDumbbell Lunge38 lb17.2 kg57 lb25.9 kg82 lb37.2 kg112 lb50.8 kg
Smith Machine Narrow-Stance Squat100 lb45.4 kg129 lb58.5 kg162 lb73.5 kg192 lb87.1 kg
110 lb49.9 kgDumbbell Lunge41 lb18.6 kg61 lb27.7 kg87 lb39.5 kg120 lb54.4 kg
Smith Machine Narrow-Stance Squat107 lb48.5 kg137 lb62.1 kg172 lb78 kg205 lb93 kg
120 lb54.4 kgDumbbell Lunge43 lb19.5 kg65 lb29.5 kg92 lb41.7 kg127 lb57.6 kg
Smith Machine Narrow-Stance Squat113 lb51.3 kg146 lb66.2 kg183 lb83 kg217 lb98.4 kg
130 lb59 kgDumbbell Lunge45 lb20.4 kg68 lb30.8 kg97 lb44 kg134 lb60.8 kg
Smith Machine Narrow-Stance Squat119 lb54 kg154 lb69.9 kg193 lb87.5 kg229 lb103.9 kg
140 lb63.5 kgDumbbell Lunge48 lb21.8 kg72 lb32.7 kg102 lb46.3 kg140 lb63.5 kg
Smith Machine Narrow-Stance Squat125 lb56.7 kg161 lb73 kg202 lb91.6 kg241 lb109.3 kg
150 lb68 kgDumbbell Lunge50 lb22.7 kg75 lb34 kg107 lb48.5 kg147 lb66.7 kg
Smith Machine Narrow-Stance Squat131 lb59.4 kg169 lb76.7 kg212 lb96.2 kg252 lb114.3 kg
160 lb72.6 kgDumbbell Lunge52 lb23.6 kg78 lb35.4 kg112 lb50.8 kg153 lb69.4 kg
Smith Machine Narrow-Stance Squat137 lb62.1 kg176 lb79.8 kg221 lb100.2 kg263 lb119.3 kg
170 lb77.1 kgDumbbell Lunge54 lb24.5 kg82 lb37.2 kg116 lb52.6 kg160 lb72.6 kg
Smith Machine Narrow-Stance Squat142 lb64.4 kg184 lb83.5 kg230 lb104.3 kg274 lb124.3 kg
180 lb81.6 kgDumbbell Lunge56 lb25.4 kg85 lb38.6 kg121 lb54.9 kg166 lb75.3 kg
Smith Machine Narrow-Stance Squat148 lb67.1 kg191 lb86.6 kg239 lb108.4 kg285 lb129.3 kg
190 lb86.2 kgDumbbell Lunge59 lb26.8 kg88 lb39.9 kg125 lb56.7 kg172 lb78 kg
Smith Machine Narrow-Stance Squat153 lb69.4 kg198 lb89.8 kg248 lb112.5 kg295 lb133.8 kg
200 lb90.7 kgDumbbell Lunge61 lb27.7 kg91 lb41.3 kg130 lb59 kg178 lb80.7 kg
Smith Machine Narrow-Stance Squat159 lb72.1 kg205 lb93 kg257 lb116.6 kg305 lb138.3 kg
210 lb95.3 kgDumbbell Lunge63 lb28.6 kg94 lb42.6 kg134 lb60.8 kg184 lb83.5 kg
Smith Machine Narrow-Stance Squat164 lb74.4 kg211 lb95.7 kg265 lb120.2 kg315 lb142.9 kg
220 lb99.8 kgDumbbell Lunge65 lb29.5 kg97 lb44 kg138 lb62.6 kg190 lb86.2 kg
Smith Machine Narrow-Stance Squat169 lb76.7 kg218 lb98.9 kg274 lb124.3 kg325 lb147.4 kg
230 lb104.3 kgDumbbell Lunge66 lb29.9 kg100 lb45.4 kg142 lb64.4 kg195 lb88.5 kg
Smith Machine Narrow-Stance Squat174 lb78.9 kg225 lb102.1 kg282 lb127.9 kg335 lb152 kg
240 lb108.9 kgDumbbell Lunge68 lb30.8 kg103 lb46.7 kg146 lb66.2 kg201 lb91.2 kg
Smith Machine Narrow-Stance Squat179 lb81.2 kg231 lb104.8 kg290 lb131.5 kg345 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.

StageWhat happens
Estimate each maxUse the entered weight for 1 rep; for 2–12 reps, keep the lower formula result.
Rate the dumbbell lungeUse combined-dumbbell estimated max and adjust targets with the two-thirds rule.
Rate the smith machine narrow-stance squatUse the exercise-specific estimated max and adjust targets to exact bodyweight with the two-thirds scaling 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.

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:

Novice closest match120 lb

The standards come closest at 120 lb.

Smith Machine Narrow-Stance Squat target is higher4 strength levels

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

Elite difference135 → 249 lb

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:

Novice closest match100 lb

The standards come closest at 100 lb.

Smith Machine Narrow-Stance Squat target is higher4 strength levels

Across all listed bodyweights, Novice, Intermediate, Advanced, and Elite keep the same higher-target direction.

Elite difference80 → 144 lb

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.

  • 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.
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