Smith Machine Back Squat vs Barbell Front Squat Strength Standards
Compare your Smith machine back squat and barbell front 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 canonical load and a whole number of strict repetitions for each exercise. Pounds and kilograms can be mixed. Use a strict bilateral Smith machine back squat to at least knee-level hip depth and full controlled lockout and a barbell front squat with a stable front rack, upright controlled descent below parallel, and 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 Front Squat Strength Standards by Bodyweight
Use these tables to compare the estimated one-rep max required for the Smith machine back squat and barbell front 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 front 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 Front 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 Front Squat Standards
How to read the table: The first number is Smith Machine Back Squat; the second is Barbell Front 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 / 119 lb 92.1 / 54 kg | 245 / 154 lb 111.1 / 69.9 kg | 286 / 203 lb 129.7 / 92.1 kg | 329 / 259 lb 149.2 / 117.5 kg |
| 130 lb 59 kg | 214 / 126 lb 97.1 / 57.2 kg | 259 / 162 lb 117.5 / 73.5 kg | 302 / 214 lb 137 / 97.1 kg | 347 / 273 lb 157.4 / 123.8 kg |
| 140 lb 63.5 kg | 225 / 132 lb 102.1 / 59.9 kg | 272 / 171 lb 123.4 / 77.6 kg | 317 / 225 lb 143.8 / 102.1 kg | 365 / 287 lb 165.6 / 130.2 kg |
| 150 lb 68 kg | 236 / 138 lb 107 / 62.6 kg | 284 / 179 lb 128.8 / 81.2 kg | 332 / 236 lb 150.6 / 107 kg | 382 / 301 lb 173.3 / 136.5 kg |
| 160 lb 72.6 kg | 246 / 144 lb 111.6 / 65.3 kg | 297 / 186 lb 134.7 / 84.4 kg | 347 / 246 lb 157.4 / 111.6 kg | 399 / 314 lb 181 / 142.4 kg |
| 170 lb 77.1 kg | 256 / 150 lb 116.1 / 68 kg | 309 / 194 lb 140.2 / 88 kg | 361 / 256 lb 163.7 / 116.1 kg | 415 / 327 lb 188.2 / 148.3 kg |
| 180 lb 81.6 kg | 266 / 156 lb 120.7 / 70.8 kg | 321 / 202 lb 145.6 / 91.6 kg | 375 / 266 lb 170.1 / 120.7 kg | 431 / 340 lb 195.5 / 154.2 kg |
| 190 lb 86.2 kg | 276 / 162 lb 125.2 / 73.5 kg | 333 / 209 lb 151 / 94.8 kg | 389 / 276 lb 176.4 / 125.2 kg | 447 / 352 lb 202.8 / 159.7 kg |
| 200 lb 90.7 kg | 286 / 168 lb 129.7 / 76.2 kg | 345 / 216 lb 156.5 / 98 kg | 403 / 286 lb 182.8 / 129.7 kg | 463 / 364 lb 210 / 165.1 kg |
| 210 lb 95.3 kg | 295 / 173 lb 133.8 / 78.5 kg | 356 / 223 lb 161.5 / 101.2 kg | 416 / 295 lb 188.7 / 133.8 kg | 478 / 376 lb 216.8 / 170.6 kg |
| 220 lb 99.8 kg | 304 / 179 lb 137.9 / 81.2 kg | 367 / 230 lb 166.5 / 104.3 kg | 429 / 304 lb 194.6 / 137.9 kg | 493 / 388 lb 223.6 / 176 kg |
| 230 lb 104.3 kg | 313 / 184 lb 142 / 83.5 kg | 378 / 237 lb 171.5 / 107.5 kg | 442 / 313 lb 200.5 / 142 kg | 508 / 400 lb 230.4 / 181.4 kg |
| 240 lb 108.9 kg | 323 / 189 lb 146.5 / 85.7 kg | 389 / 244 lb 176.4 / 110.7 kg | 455 / 323 lb 206.4 / 146.5 kg | 522 / 411 lb 236.8 / 186.4 kg |
| 250 lb 113.4 kg | 331 / 195 lb 150.1 / 88.5 kg | 400 / 251 lb 181.4 / 113.9 kg | 467 / 331 lb 211.8 / 150.1 kg | 537 / 423 lb 243.6 / 191.9 kg |
| 260 lb 117.9 kg | 340 / 200 lb 154.2 / 90.7 kg | 410 / 258 lb 186 / 117 kg | 479 / 340 lb 217.3 / 154.2 kg | 551 / 434 lb 249.9 / 196.9 kg |
| 270 lb 122.5 kg | 349 / 205 lb 158.3 / 93 kg | 421 / 264 lb 191 / 119.7 kg | 492 / 349 lb 223.2 / 158.3 kg | 565 / 445 lb 256.3 / 201.8 kg |
| 280 lb 127 kg | 357 / 210 lb 161.9 / 95.3 kg | 431 / 271 lb 195.5 / 122.9 kg | 504 / 357 lb 228.6 / 161.9 kg | 579 / 456 lb 262.6 / 206.8 kg |
| 290 lb 131.5 kg | 366 / 215 lb 166 / 97.5 kg | 441 / 277 lb 200 / 125.6 kg | 516 / 366 lb 234.1 / 166 kg | 593 / 467 lb 269 / 211.8 kg |
| 300 lb 136.1 kg | 374 / 220 lb 169.6 / 99.8 kg | 452 / 283 lb 205 / 128.4 kg | 527 / 374 lb 239 / 169.6 kg | 606 / 477 lb 274.9 / 216.4 kg |
Women’s Smith Machine Back Squat vs Barbell Front Squat Standards
How to read the table: The first number is Smith Machine Back Squat; the second is Barbell Front 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 / 86 lb 46.7 / 39 kg | 137 / 114 lb 62.1 / 51.7 kg | 172 / 149 lb 78 / 67.6 kg | 206 / 189 lb 93.4 / 85.7 kg |
| 110 lb 49.9 kg | 110 / 92 lb 49.9 / 41.7 kg | 146 / 122 lb 66.2 / 55.3 kg | 183 / 159 lb 83 / 72.1 kg | 220 / 202 lb 99.8 / 91.6 kg |
| 120 lb 54.4 kg | 116 / 97 lb 52.6 / 44 kg | 155 / 129 lb 70.3 / 58.5 kg | 194 / 168 lb 88 / 76.2 kg | 233 / 214 lb 105.7 / 97.1 kg |
| 130 lb 59 kg | 123 / 103 lb 55.8 / 46.7 kg | 164 / 136 lb 74.4 / 61.7 kg | 205 / 177 lb 93 / 80.3 kg | 245 / 225 lb 111.1 / 102.1 kg |
| 140 lb 63.5 kg | 129 / 108 lb 58.5 / 49 kg | 172 / 143 lb 78 / 64.9 kg | 215 / 186 lb 97.5 / 84.4 kg | 258 / 237 lb 117 / 107.5 kg |
| 150 lb 68 kg | 135 / 113 lb 61.2 / 51.3 kg | 180 / 150 lb 81.6 / 68 kg | 225 / 195 lb 102.1 / 88.5 kg | 270 / 248 lb 122.5 / 112.5 kg |
| 160 lb 72.6 kg | 141 / 118 lb 64 / 53.5 kg | 188 / 157 lb 85.3 / 71.2 kg | 235 / 204 lb 106.6 / 92.5 kg | 282 / 259 lb 127.9 / 117.5 kg |
| 170 lb 77.1 kg | 147 / 123 lb 66.7 / 55.8 kg | 196 / 163 lb 88.9 / 73.9 kg | 245 / 212 lb 111.1 / 96.2 kg | 293 / 270 lb 132.9 / 122.5 kg |
| 180 lb 81.6 kg | 152 / 128 lb 68.9 / 58.1 kg | 203 / 169 lb 92.1 / 76.7 kg | 254 / 220 lb 115.2 / 99.8 kg | 305 / 280 lb 138.3 / 127 kg |
| 190 lb 86.2 kg | 158 / 132 lb 71.7 / 59.9 kg | 211 / 176 lb 95.7 / 79.8 kg | 263 / 228 lb 119.3 / 103.4 kg | 316 / 290 lb 143.3 / 131.5 kg |
| 200 lb 90.7 kg | 164 / 137 lb 74.4 / 62.1 kg | 218 / 182 lb 98.9 / 82.6 kg | 273 / 236 lb 123.8 / 107 kg | 327 / 300 lb 148.3 / 136.1 kg |
| 210 lb 95.3 kg | 169 / 141 lb 76.7 / 64 kg | 225 / 188 lb 102.1 / 85.3 kg | 282 / 244 lb 127.9 / 110.7 kg | 338 / 310 lb 153.3 / 140.6 kg |
| 220 lb 99.8 kg | 174 / 146 lb 78.9 / 66.2 kg | 232 / 194 lb 105.2 / 88 kg | 290 / 252 lb 131.5 / 114.3 kg | 349 / 320 lb 158.3 / 145.1 kg |
| 230 lb 104.3 kg | 180 / 150 lb 81.6 / 68 kg | 239 / 199 lb 108.4 / 90.3 kg | 299 / 259 lb 135.6 / 117.5 kg | 359 / 330 lb 162.8 / 149.7 kg |
| 240 lb 108.9 kg | 185 / 155 lb 83.9 / 70.3 kg | 246 / 205 lb 111.6 / 93 kg | 308 / 267 lb 139.7 / 121.1 kg | 369 / 339 lb 167.4 / 153.8 kg |
How Your Smith Machine Back Squat vs Barbell Front 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 front squat strength level
The standards use the sex-specific front squat thresholds 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 larger lifters are expected to squat more 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 front squat | Use total-barbell estimated max and adjust 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 Front 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 front 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.
31.7 → 58.5 kg from 120 to 300 lb bodyweight.
How to read the table: Every number is the barbell front squat standard minus the Smith machine back squat standard. A plus sign means the barbell front 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 | −84 lb −38.1 kg | −91 lb −41.2 kg | −83 lb −37.6 kg | −70 lb −31.7 kg |
| 130 lb 59 kg | −88 lb −39.9 kg | −97 lb −44 kg | −88 lb −39.9 kg | −74 lb −33.6 kg |
| 140 lb 63.5 kg | −93 lb −42.2 kg | −101 lb −45.8 kg | −92 lb −41.7 kg | −78 lb −35.4 kg |
| 150 lb 68 kg | −98 lb −44.4 kg | −105 lb −47.6 kg | −96 lb −43.6 kg | −81 lb −36.8 kg |
| 160 lb 72.6 kg | −102 lb −46.3 kg | −111 lb −50.3 kg | −101 lb −45.8 kg | −85 lb −38.6 kg |
| 170 lb 77.1 kg | −106 lb −48.1 kg | −115 lb −52.2 kg | −105 lb −47.6 kg | −88 lb −39.9 kg |
| 180 lb 81.6 kg | −110 lb −49.9 kg | −119 lb −54 kg | −109 lb −49.4 kg | −91 lb −41.3 kg |
| 190 lb 86.2 kg | −114 lb −51.7 kg | −124 lb −56.2 kg | −113 lb −51.2 kg | −95 lb −43.1 kg |
| 200 lb 90.7 kg | −118 lb −53.5 kg | −129 lb −58.5 kg | −117 lb −53.1 kg | −99 lb −44.9 kg |
| 210 lb 95.3 kg | −122 lb −55.3 kg | −133 lb −60.3 kg | −121 lb −54.9 kg | −102 lb −46.2 kg |
| 220 lb 99.8 kg | −125 lb −56.7 kg | −137 lb −62.2 kg | −125 lb −56.7 kg | −105 lb −47.6 kg |
| 230 lb 104.3 kg | −129 lb −58.5 kg | −141 lb −64 kg | −129 lb −58.5 kg | −108 lb −49 kg |
| 240 lb 108.9 kg | −134 lb −60.8 kg | −145 lb −65.7 kg | −132 lb −59.9 kg | −111 lb −50.4 kg |
| 250 lb 113.4 kg | −136 lb −61.6 kg | −149 lb −67.5 kg | −136 lb −61.7 kg | −114 lb −51.7 kg |
| 260 lb 117.9 kg | −140 lb −63.5 kg | −152 lb −69 kg | −139 lb −63.1 kg | −117 lb −53 kg |
| 270 lb 122.5 kg | −144 lb −65.3 kg | −157 lb −71.3 kg | −143 lb −64.9 kg | −120 lb −54.5 kg |
| 280 lb 127 kg | −147 lb −66.6 kg | −160 lb −72.6 kg | −147 lb −66.7 kg | −123 lb −55.8 kg |
| 290 lb 131.5 kg | −151 lb −68.5 kg | −164 lb −74.4 kg | −150 lb −68.1 kg | −126 lb −57.2 kg |
| 300 lb 136.1 kg | −154 lb −69.8 kg | −169 lb −76.6 kg | −153 lb −69.4 kg | −129 lb −58.5 kg |
How Women’s Smith Machine Back Squat and Barbell Front 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.
7.7 → 13.6 kg from 100 to 240 lb bodyweight.
How to read the table: Every number is the barbell front squat standard minus the Smith machine back squat standard. A plus sign means the barbell front 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 | −17 lb −7.7 kg | −23 lb −10.4 kg | −23 lb −10.4 kg | −17 lb −7.7 kg |
| 110 lb 49.9 kg | −18 lb −8.2 kg | −24 lb −10.9 kg | −24 lb −10.9 kg | −18 lb −8.2 kg |
| 120 lb 54.4 kg | −19 lb −8.6 kg | −26 lb −11.8 kg | −26 lb −11.8 kg | −19 lb −8.6 kg |
| 130 lb 59 kg | −20 lb −9.1 kg | −28 lb −12.7 kg | −28 lb −12.7 kg | −20 lb −9 kg |
| 140 lb 63.5 kg | −21 lb −9.5 kg | −29 lb −13.1 kg | −29 lb −13.1 kg | −21 lb −9.5 kg |
| 150 lb 68 kg | −22 lb −9.9 kg | −30 lb −13.6 kg | −30 lb −13.6 kg | −22 lb −10 kg |
| 160 lb 72.6 kg | −23 lb −10.5 kg | −31 lb −14.1 kg | −31 lb −14.1 kg | −23 lb −10.4 kg |
| 170 lb 77.1 kg | −24 lb −10.9 kg | −33 lb −15 kg | −33 lb −14.9 kg | −23 lb −10.4 kg |
| 180 lb 81.6 kg | −24 lb −10.8 kg | −34 lb −15.4 kg | −34 lb −15.4 kg | −25 lb −11.3 kg |
| 190 lb 86.2 kg | −26 lb −11.8 kg | −35 lb −15.9 kg | −35 lb −15.9 kg | −26 lb −11.8 kg |
| 200 lb 90.7 kg | −27 lb −12.3 kg | −36 lb −16.3 kg | −37 lb −16.8 kg | −27 lb −12.2 kg |
| 210 lb 95.3 kg | −28 lb −12.7 kg | −37 lb −16.8 kg | −38 lb −17.2 kg | −28 lb −12.7 kg |
| 220 lb 99.8 kg | −28 lb −12.7 kg | −38 lb −17.2 kg | −38 lb −17.2 kg | −29 lb −13.2 kg |
| 230 lb 104.3 kg | −30 lb −13.6 kg | −40 lb −18.1 kg | −40 lb −18.1 kg | −29 lb −13.1 kg |
| 240 lb 108.9 kg | −30 lb −13.6 kg | −41 lb −18.6 kg | −41 lb −18.6 kg | −30 lb −13.6 kg |
Smith Machine Back Squat and Barbell Front Squat Exercises Used by This Calculator
This calculator uses a strict Smith machine back squat and a full-depth barbell front squat. Use strict canonical Smith Machine Back Squat and Barbell Front Squat tests. Do not mix variations, assistance, partial range, momentum, or different load conventions.
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.
Keep the bar in the front rack through full depth
Enter the bar plus all plates. Support the bar across the front of the shoulders, descend under control until the hip crease is below the top of the knee, and stand to full lockout while retaining the front rack. Do not enter per-side plates, back squats, Zercher or goblet squats, Smith or machine squats, partial reps, assisted reps, or reps that lose the front rack.
Enter one recent Smith Machine Back Squat result and one recent Barbell Front Squat result
Enter the canonical load and a whole number of strict repetitions for each exercise. 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 Front Squat — View the individual Barbell Front Squat standards and next strength-level target.
- Barbell Back Squat (High-Bar, Full Depth) — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
- Barbell Box Squats — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
- Barbell Clean And Jerk — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
- Barbell Hack Squat — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.