Smith Machine Back Squat vs Barbell Squat Strength Standards
Compare your Smith machine back squat and barbell squat against strength standards for your sex and bodyweight. Enter one recent set of 1–12 reps for each lift to see your estimated one-rep maxes, strength levels, next targets, and which lift you should prioritize.
Enter the Smith squat using that machine's total displayed or effective load convention; enter the free-bar squat as total barbell weight including the bar. Use a strict bilateral Smith machine back squat to at least knee-level hip depth and full controlled lockout and a high-bar back squat below parallel with a full standing lockout. You can enter either lift in pounds or kilograms. Each lift is compared with its own standards, so the heavier lift is not automatically the stronger one.
Smith Machine Back Squat vs Barbell Squat Strength Standards by Bodyweight
Use these tables to compare the estimated one-rep max required for the Smith machine back squat and barbell squat to reach the same strength level at each listed bodyweight. They show the targets used by the calculator—not a required difference between your Smith machine back squat and barbell squat.
Choose the men’s or women’s table, find your bodyweight or the closest listed row, then read across to Novice, Intermediate, Advanced, or Elite. Every entry shows Smith Machine Back Squat / Barbell Squat, with pounds first and kilograms underneath. For a result based on your exact bodyweight and recent sets, use the calculator above; you do not need to test either true one-rep max.
Men’s Smith Machine Back Squat vs Barbell Squat Standards
How to read the table: The first number is Smith Machine Back Squat; the second is Barbell Squat. Each number is the lowest estimated one-rep max needed to reach that strength level. Scroll horizontally on smaller screens.
| Bodyweight | Novice | Intermediate | Advanced | Elite |
|---|---|---|---|---|
| 120 lb 54.4 kg | 203 / 244 lb 92.1 / 110.7 kg | 245 / 278 lb 111.1 / 126.1 kg | 286 / 314 lb 129.7 / 142.4 kg | 329 / 347 lb 149.2 / 157.4 kg |
| 130 lb 59 kg | 214 / 258 lb 97.1 / 117 kg | 259 / 293 lb 117.5 / 132.9 kg | 302 / 332 lb 137 / 150.6 kg | 347 / 366 lb 157.4 / 166 kg |
| 140 lb 63.5 kg | 225 / 271 lb 102.1 / 122.9 kg | 272 / 308 lb 123.4 / 139.7 kg | 317 / 348 lb 143.8 / 157.9 kg | 365 / 384 lb 165.6 / 174.2 kg |
| 150 lb 68 kg | 236 / 284 lb 107 / 128.8 kg | 284 / 322 lb 128.8 / 146.1 kg | 332 / 365 lb 150.6 / 165.6 kg | 382 / 402 lb 173.3 / 182.3 kg |
| 160 lb 72.6 kg | 246 / 296 lb 111.6 / 134.3 kg | 297 / 336 lb 134.7 / 152.4 kg | 347 / 381 lb 157.4 / 172.8 kg | 399 / 420 lb 181 / 190.5 kg |
| 170 lb 77.1 kg | 256 / 308 lb 116.1 / 139.7 kg | 309 / 350 lb 140.2 / 158.8 kg | 361 / 396 lb 163.7 / 179.6 kg | 415 / 437 lb 188.2 / 198.2 kg |
| 180 lb 81.6 kg | 266 / 320 lb 120.7 / 145.1 kg | 321 / 364 lb 145.6 / 165.1 kg | 375 / 412 lb 170.1 / 186.9 kg | 431 / 454 lb 195.5 / 205.9 kg |
| 190 lb 86.2 kg | 276 / 332 lb 125.2 / 150.6 kg | 333 / 377 lb 151 / 171 kg | 389 / 427 lb 176.4 / 193.7 kg | 447 / 471 lb 202.8 / 213.6 kg |
| 200 lb 90.7 kg | 286 / 344 lb 129.7 / 156 kg | 345 / 390 lb 156.5 / 176.9 kg | 403 / 442 lb 182.8 / 200.5 kg | 463 / 487 lb 210 / 220.9 kg |
| 210 lb 95.3 kg | 295 / 355 lb 133.8 / 161 kg | 356 / 403 lb 161.5 / 182.8 kg | 416 / 456 lb 188.7 / 206.8 kg | 478 / 503 lb 216.8 / 228.2 kg |
| 220 lb 99.8 kg | 304 / 366 lb 137.9 / 166 kg | 367 / 416 lb 166.5 / 188.7 kg | 429 / 471 lb 194.6 / 213.6 kg | 493 / 519 lb 223.6 / 235.4 kg |
| 230 lb 104.3 kg | 313 / 377 lb 142 / 171 kg | 378 / 428 lb 171.5 / 194.1 kg | 442 / 485 lb 200.5 / 220 kg | 508 / 535 lb 230.4 / 242.7 kg |
| 240 lb 108.9 kg | 323 / 388 lb 146.5 / 176 kg | 389 / 441 lb 176.4 / 200 kg | 455 / 499 lb 206.4 / 226.3 kg | 522 / 550 lb 236.8 / 249.5 kg |
| 250 lb 113.4 kg | 331 / 399 lb 150.1 / 181 kg | 400 / 453 lb 181.4 / 205.5 kg | 467 / 513 lb 211.8 / 232.7 kg | 537 / 566 lb 243.6 / 256.7 kg |
| 260 lb 117.9 kg | 340 / 409 lb 154.2 / 185.5 kg | 410 / 465 lb 186 / 210.9 kg | 479 / 526 lb 217.3 / 238.6 kg | 551 / 581 lb 249.9 / 263.5 kg |
| 270 lb 122.5 kg | 349 / 420 lb 158.3 / 190.5 kg | 421 / 477 lb 191 / 216.4 kg | 492 / 540 lb 223.2 / 244.9 kg | 565 / 595 lb 256.3 / 269.9 kg |
| 280 lb 127 kg | 357 / 430 lb 161.9 / 195 kg | 431 / 488 lb 195.5 / 221.4 kg | 504 / 553 lb 228.6 / 250.8 kg | 579 / 610 lb 262.6 / 276.7 kg |
| 290 lb 131.5 kg | 366 / 440 lb 166 / 199.6 kg | 441 / 500 lb 200 / 226.8 kg | 516 / 566 lb 234.1 / 256.7 kg | 593 / 624 lb 269 / 283 kg |
| 300 lb 136.1 kg | 374 / 450 lb 169.6 / 204.1 kg | 452 / 511 lb 205 / 231.8 kg | 527 / 579 lb 239 / 262.6 kg | 606 / 639 lb 274.9 / 289.8 kg |
Women’s Smith Machine Back Squat vs Barbell Squat Standards
How to read the table: The first number is Smith Machine Back Squat; the second is Barbell Squat. Each number is the lowest estimated one-rep max needed to reach that strength level. Scroll horizontally on smaller screens.
| Bodyweight | Novice | Intermediate | Advanced | Elite |
|---|---|---|---|---|
| 100 lb 45.4 kg | 103 / 143 lb 46.7 / 64.9 kg | 137 / 166 lb 62.1 / 75.3 kg | 172 / 197 lb 78 / 89.4 kg | 206 / 220 lb 93.4 / 99.8 kg |
| 110 lb 49.9 kg | 110 / 153 lb 49.9 / 69.4 kg | 146 / 177 lb 66.2 / 80.3 kg | 183 / 210 lb 83 / 95.3 kg | 220 / 234 lb 99.8 / 106.1 kg |
| 120 lb 54.4 kg | 116 / 162 lb 52.6 / 73.5 kg | 155 / 188 lb 70.3 / 85.3 kg | 194 / 222 lb 88 / 100.7 kg | 233 / 248 lb 105.7 / 112.5 kg |
| 130 lb 59 kg | 123 / 171 lb 55.8 / 77.6 kg | 164 / 198 lb 74.4 / 89.8 kg | 205 / 235 lb 93 / 106.6 kg | 245 / 262 lb 111.1 / 118.8 kg |
| 140 lb 63.5 kg | 129 / 180 lb 58.5 / 81.6 kg | 172 / 208 lb 78 / 94.3 kg | 215 / 246 lb 97.5 / 111.6 kg | 258 / 275 lb 117 / 124.7 kg |
| 150 lb 68 kg | 135 / 188 lb 61.2 / 85.3 kg | 180 / 218 lb 81.6 / 98.9 kg | 225 / 258 lb 102.1 / 117 kg | 270 / 288 lb 122.5 / 130.6 kg |
| 160 lb 72.6 kg | 141 / 196 lb 64 / 88.9 kg | 188 / 228 lb 85.3 / 103.4 kg | 235 / 269 lb 106.6 / 122 kg | 282 / 301 lb 127.9 / 136.5 kg |
| 170 lb 77.1 kg | 147 / 204 lb 66.7 / 92.5 kg | 196 / 237 lb 88.9 / 107.5 kg | 245 / 280 lb 111.1 / 127 kg | 293 / 313 lb 132.9 / 142 kg |
| 180 lb 81.6 kg | 152 / 212 lb 68.9 / 96.2 kg | 203 / 246 lb 92.1 / 111.6 kg | 254 / 291 lb 115.2 / 132 kg | 305 / 325 lb 138.3 / 147.4 kg |
| 190 lb 86.2 kg | 158 / 220 lb 71.7 / 99.8 kg | 211 / 255 lb 95.7 / 115.7 kg | 263 / 302 lb 119.3 / 137 kg | 316 / 337 lb 143.3 / 152.9 kg |
| 200 lb 90.7 kg | 164 / 228 lb 74.4 / 103.4 kg | 218 / 264 lb 98.9 / 119.7 kg | 273 / 313 lb 123.8 / 142 kg | 327 / 349 lb 148.3 / 158.3 kg |
| 210 lb 95.3 kg | 169 / 235 lb 76.7 / 106.6 kg | 225 / 273 lb 102.1 / 123.8 kg | 282 / 323 lb 127.9 / 146.5 kg | 338 / 360 lb 153.3 / 163.3 kg |
| 220 lb 99.8 kg | 174 / 243 lb 78.9 / 110.2 kg | 232 / 281 lb 105.2 / 127.5 kg | 290 / 333 lb 131.5 / 151 kg | 349 / 372 lb 158.3 / 168.7 kg |
| 230 lb 104.3 kg | 180 / 250 lb 81.6 / 113.4 kg | 239 / 290 lb 108.4 / 131.5 kg | 299 / 343 lb 135.6 / 155.6 kg | 359 / 383 lb 162.8 / 173.7 kg |
| 240 lb 108.9 kg | 185 / 257 lb 83.9 / 116.6 kg | 246 / 298 lb 111.6 / 135.2 kg | 308 / 353 lb 139.7 / 160.1 kg | 369 / 394 lb 167.4 / 178.7 kg |
How Your Smith Machine Back Squat vs Barbell Squat Result Is Calculated
The calculator estimates each max, rates it against the standards for that exercise and bodyweight, then compares the two ratings. Here is the complete process.
1. Estimate a one-rep max from each set
For one rep, it uses the weight entered. For 2–12 reps, it runs both formulas and keeps the lower, less aggressive estimate.
- Epley: weight × (1 + reps ÷ 30)
- Brzycki: weight × 36 ÷ (37 − reps)
A published back-squat study supports estimated-max prediction under its study conditions. It does not independently validate every exercise or population used by this comparison. Estimates are more dependable from clean, difficult, lower-rep sets. See the Back-squat formula validation study and Published discussion of back-squat one-rep-max prediction research.
2. 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 your exact bodyweight: reference target × (user bodyweight ÷ reference bodyweight) to the two-thirds power.
The target rises more slowly than bodyweight so heavier lifters are expected to squat more Smith machine load without requiring strength to increase pound for pound.
3. Find the barbell squat strength level
The barbell squat standards use the approved sex-specific reference targets and strict high-bar full-depth rules from the individual tool. Targets begin at 190 lb for men and 150 lb for women, then adjust to your exact bodyweight: reference target × (user bodyweight ÷ reference bodyweight) to the two-thirds power.
The target rises more slowly than bodyweight so heavier lifters are expected to squat more total barbell weight without requiring strength to increase pound for pound.
4. Compare the two results
Each max receives a level from Beginner through Elite. The lower-level lift is the priority. If the levels match, a priority appears only when one lift is at least 10 points farther from its next level. Otherwise, the result is Balanced.
The result shows which lift ranks lower, not why. Technique, fatigue, training history, and set quality can affect it. Age range is recorded anonymously but does not change the 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 Smith machine back squat | Adjust Smith machine back squat targets to exact bodyweight with the two-thirds rule. |
| Rate the barbell squat | Adjust barbell 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. |
Use the calculator above to see both estimated maxes, strength levels, the priority or Balanced result, and both next-level targets.
How Men’s Smith Machine Back Squat and Barbell Squat Standards Differ
How to read both charts: Choose a strength level, find bodyweight along the bottom, and follow that level’s line. Zero means the two standards are equal. Above zero means the barbell squat standard is higher; below zero means the Smith machine back squat standard is higher. On a phone, swipe the chart left and right to inspect the full-size lines and labels. The tables provide the exact pounds and kilograms.
What the men’s data shows:
The standards come closest at 120 lb.
Novice, Intermediate, Advanced, and Elite at every displayed bodyweight.
8.2 → 14.9 kg from 120 to 300 lb bodyweight.
How to read the table: Every number is the barbell squat standard minus the Smith machine back squat standard. A plus sign means the barbell squat standard is higher. A minus sign means the Smith machine back squat standard is higher.
| Bodyweight | Novice | Intermediate | Advanced | Elite |
|---|---|---|---|---|
| 120 lb 54.4 kg | +41 lb +18.6 kg | +33 lb +15 kg | +28 lb +12.7 kg | +18 lb +8.2 kg |
| 130 lb 59 kg | +44 lb +19.9 kg | +34 lb +15.4 kg | +30 lb +13.6 kg | +19 lb +8.6 kg |
| 140 lb 63.5 kg | +46 lb +20.8 kg | +36 lb +16.3 kg | +31 lb +14.1 kg | +19 lb +8.6 kg |
| 150 lb 68 kg | +48 lb +21.8 kg | +38 lb +17.3 kg | +33 lb +15 kg | +20 lb +9 kg |
| 160 lb 72.6 kg | +50 lb +22.7 kg | +39 lb +17.7 kg | +34 lb +15.4 kg | +21 lb +9.5 kg |
| 170 lb 77.1 kg | +52 lb +23.6 kg | +41 lb +18.6 kg | +35 lb +15.9 kg | +22 lb +10 kg |
| 180 lb 81.6 kg | +54 lb +24.4 kg | +43 lb +19.5 kg | +37 lb +16.8 kg | +23 lb +10.4 kg |
| 190 lb 86.2 kg | +56 lb +25.4 kg | +44 lb +20 kg | +38 lb +17.3 kg | +24 lb +10.8 kg |
| 200 lb 90.7 kg | +58 lb +26.3 kg | +45 lb +20.4 kg | +39 lb +17.7 kg | +24 lb +10.9 kg |
| 210 lb 95.3 kg | +60 lb +27.2 kg | +47 lb +21.3 kg | +40 lb +18.1 kg | +25 lb +11.4 kg |
| 220 lb 99.8 kg | +62 lb +28.1 kg | +49 lb +22.2 kg | +42 lb +19 kg | +26 lb +11.8 kg |
| 230 lb 104.3 kg | +64 lb +29 kg | +50 lb +22.6 kg | +43 lb +19.5 kg | +27 lb +12.3 kg |
| 240 lb 108.9 kg | +65 lb +29.5 kg | +52 lb +23.6 kg | +44 lb +19.9 kg | +28 lb +12.7 kg |
| 250 lb 113.4 kg | +68 lb +30.9 kg | +53 lb +24.1 kg | +46 lb +20.9 kg | +29 lb +13.1 kg |
| 260 lb 117.9 kg | +69 lb +31.3 kg | +55 lb +24.9 kg | +47 lb +21.3 kg | +30 lb +13.6 kg |
| 270 lb 122.5 kg | +71 lb +32.2 kg | +56 lb +25.4 kg | +48 lb +21.7 kg | +30 lb +13.6 kg |
| 280 lb 127 kg | +73 lb +33.1 kg | +57 lb +25.9 kg | +49 lb +22.2 kg | +31 lb +14.1 kg |
| 290 lb 131.5 kg | +74 lb +33.6 kg | +59 lb +26.8 kg | +50 lb +22.6 kg | +31 lb +14 kg |
| 300 lb 136.1 kg | +76 lb +34.5 kg | +59 lb +26.8 kg | +52 lb +23.6 kg | +33 lb +14.9 kg |
How Women’s Smith Machine Back Squat and Barbell 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.
6.4 → 11.3 kg from 100 to 240 lb bodyweight.
How to read the table: Every number is the barbell squat standard minus the Smith machine back squat standard. A plus sign means the barbell squat standard is higher. A minus sign means the Smith machine back squat standard is higher.
| Bodyweight | Novice | Intermediate | Advanced | Elite |
|---|---|---|---|---|
| 100 lb 45.4 kg | +40 lb +18.2 kg | +29 lb +13.2 kg | +25 lb +11.4 kg | +14 lb +6.4 kg |
| 110 lb 49.9 kg | +43 lb +19.5 kg | +31 lb +14.1 kg | +27 lb +12.3 kg | +14 lb +6.3 kg |
| 120 lb 54.4 kg | +46 lb +20.9 kg | +33 lb +15 kg | +28 lb +12.7 kg | +15 lb +6.8 kg |
| 130 lb 59 kg | +48 lb +21.8 kg | +34 lb +15.4 kg | +30 lb +13.6 kg | +17 lb +7.7 kg |
| 140 lb 63.5 kg | +51 lb +23.1 kg | +36 lb +16.3 kg | +31 lb +14.1 kg | +17 lb +7.7 kg |
| 150 lb 68 kg | +53 lb +24.1 kg | +38 lb +17.3 kg | +33 lb +14.9 kg | +18 lb +8.1 kg |
| 160 lb 72.6 kg | +55 lb +24.9 kg | +40 lb +18.1 kg | +34 lb +15.4 kg | +19 lb +8.6 kg |
| 170 lb 77.1 kg | +57 lb +25.8 kg | +41 lb +18.6 kg | +35 lb +15.9 kg | +20 lb +9.1 kg |
| 180 lb 81.6 kg | +60 lb +27.3 kg | +43 lb +19.5 kg | +37 lb +16.8 kg | +20 lb +9.1 kg |
| 190 lb 86.2 kg | +62 lb +28.1 kg | +44 lb +20 kg | +39 lb +17.7 kg | +21 lb +9.6 kg |
| 200 lb 90.7 kg | +64 lb +29 kg | +46 lb +20.8 kg | +40 lb +18.2 kg | +22 lb +10 kg |
| 210 lb 95.3 kg | +66 lb +29.9 kg | +48 lb +21.7 kg | +41 lb +18.6 kg | +22 lb +10 kg |
| 220 lb 99.8 kg | +69 lb +31.3 kg | +49 lb +22.3 kg | +43 lb +19.5 kg | +23 lb +10.4 kg |
| 230 lb 104.3 kg | +70 lb +31.8 kg | +51 lb +23.1 kg | +44 lb +20 kg | +24 lb +10.9 kg |
| 240 lb 108.9 kg | +72 lb +32.7 kg | +52 lb +23.6 kg | +45 lb +20.4 kg | +25 lb +11.3 kg |
Smith Machine Back Squat and Barbell Squat Exercises Used by This Calculator
This calculator uses a strict Smith machine back squat and a high-bar full-depth barbell back squat. Use a strict bilateral Smith machine back squat and a raw free-barbell back squat under each tool’s load, stance, depth, bracing, path, and lockout rules. Do not substitute front squats, hack squats, leg presses, box squats, partial reps, bounced reps, equipped lifting, or assisted 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.
Use a high-bar back squat below parallel
Place the bar high on the upper traps, descend until the hip crease is below the top of the knee, and return to full hip-and-knee lockout. Do not enter a low-bar, partial, box, pin, Smith-machine, hack-squat, assisted, wrapped, suited, or equipped result.
Enter one recent Smith Machine Back Squat set and one recent Barbell Squat set
Enter each squat’s correct total load and strict reps. Keep the Smith machine and both squat setups consistent. Use whole reps from 1 to 12; pounds and kilograms can be mixed.
Related Tools
- Smith Machine Back Squat — View the individual Smith Machine Back Squat standards and next strength-level target.
- Barbell Back Squat (High-Bar, Full Depth) — View the individual Barbell Squat standards and next strength-level target.
- Barbell Front Squat — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
- Machine Hack Squat — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
- Leg Press (45° Sled) — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
- Smith Machine Front Squat — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.