Barbell Box Squats vs Belt Squat Split Squat Strength Standards
Compare your barbell box squats and belt squat split 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.
Use each exercise's canonical input: External load for Barbell Box Squats and Selected or loaded belt-squat resistance for Belt Squat Split Squat. Use a strict, repeatable barbell box squats test using the canonical setup, range, and finish rules and a strict belt squat split squat using the same resistance, setup, range, and execution on both legs and total valid reps across both legs combined. 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.
Barbell Box Squats vs Belt Squat Split Squat Strength Standards by Bodyweight
Use these tables to compare the estimated one-rep max required for the barbell box squats and belt squat split 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 barbell box squats and belt squat split 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 Barbell Box Squats / Belt Squat Split 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 Barbell Box Squats vs Belt Squat Split Squat Standards
How to read the table: The first number is Barbell Box Squats; the second is Belt Squat Split 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 | 147 / 77 lb 66.7 / 34.9 kg | 189 / 112 lb 85.7 / 50.8 kg | 238 / 154 lb 108 / 69.9 kg | 286 / 196 lb 129.7 / 88.9 kg |
| 130 lb 59 kg | 155 / 82 lb 70.3 / 37.2 kg | 200 / 118 lb 90.7 / 53.5 kg | 251 / 162 lb 113.9 / 73.5 kg | 302 / 207 lb 137 / 93.9 kg |
| 140 lb 63.5 kg | 163 / 86 lb 73.9 / 39 kg | 210 / 124 lb 95.3 / 56.2 kg | 264 / 171 lb 119.7 / 77.6 kg | 317 / 217 lb 143.8 / 98.4 kg |
| 150 lb 68 kg | 171 / 90 lb 77.6 / 40.8 kg | 220 / 130 lb 99.8 / 59 kg | 276 / 179 lb 125.2 / 81.2 kg | 332 / 227 lb 150.6 / 103 kg |
| 160 lb 72.6 kg | 178 / 94 lb 80.7 / 42.6 kg | 229 / 136 lb 103.9 / 61.7 kg | 288 / 186 lb 130.6 / 84.4 kg | 347 / 237 lb 157.4 / 107.5 kg |
| 170 lb 77.1 kg | 186 / 97 lb 84.4 / 44 kg | 239 / 141 lb 108.4 / 64 kg | 300 / 194 lb 136.1 / 88 kg | 361 / 247 lb 163.7 / 112 kg |
| 180 lb 81.6 kg | 193 / 101 lb 87.5 / 45.8 kg | 248 / 147 lb 112.5 / 66.7 kg | 312 / 202 lb 141.5 / 91.6 kg | 375 / 257 lb 170.1 / 116.6 kg |
| 190 lb 86.2 kg | 200 / 105 lb 90.7 / 47.6 kg | 257 / 152 lb 116.6 / 68.9 kg | 323 / 209 lb 146.5 / 94.8 kg | 389 / 266 lb 176.4 / 120.7 kg |
| 200 lb 90.7 kg | 207 / 109 lb 93.9 / 49.4 kg | 266 / 157 lb 120.7 / 71.2 kg | 334 / 216 lb 151.5 / 98 kg | 403 / 275 lb 182.8 / 124.7 kg |
| 210 lb 95.3 kg | 214 / 112 lb 97.1 / 50.8 kg | 275 / 162 lb 124.7 / 73.5 kg | 345 / 223 lb 156.5 / 101.2 kg | 416 / 284 lb 188.7 / 128.8 kg |
| 220 lb 99.8 kg | 221 / 116 lb 100.2 / 52.6 kg | 283 / 168 lb 128.4 / 76.2 kg | 356 / 230 lb 161.5 / 104.3 kg | 429 / 293 lb 194.6 / 132.9 kg |
| 230 lb 104.3 kg | 227 / 119 lb 103 / 54 kg | 292 / 173 lb 132.4 / 78.5 kg | 367 / 237 lb 166.5 / 107.5 kg | 442 / 302 lb 200.5 / 137 kg |
| 240 lb 108.9 kg | 234 / 123 lb 106.1 / 55.8 kg | 300 / 178 lb 136.1 / 80.7 kg | 377 / 244 lb 171 / 110.7 kg | 455 / 311 lb 206.4 / 141.1 kg |
| 250 lb 113.4 kg | 240 / 126 lb 108.9 / 57.2 kg | 309 / 183 lb 140.2 / 83 kg | 388 / 251 lb 176 / 113.9 kg | 467 / 319 lb 211.8 / 144.7 kg |
| 260 lb 117.9 kg | 247 / 129 lb 112 / 58.5 kg | 317 / 187 lb 143.8 / 84.8 kg | 398 / 258 lb 180.5 / 117 kg | 479 / 328 lb 217.3 / 148.8 kg |
| 270 lb 122.5 kg | 253 / 133 lb 114.8 / 60.3 kg | 325 / 192 lb 147.4 / 87.1 kg | 408 / 264 lb 185.1 / 119.7 kg | 492 / 336 lb 223.2 / 152.4 kg |
| 280 lb 127 kg | 259 / 136 lb 117.5 / 61.7 kg | 333 / 197 lb 151 / 89.4 kg | 418 / 271 lb 189.6 / 122.9 kg | 504 / 344 lb 228.6 / 156 kg |
| 290 lb 131.5 kg | 265 / 139 lb 120.2 / 63 kg | 341 / 201 lb 154.7 / 91.2 kg | 428 / 277 lb 194.1 / 125.6 kg | 516 / 353 lb 234.1 / 160.1 kg |
| 300 lb 136.1 kg | 271 / 142 lb 122.9 / 64.4 kg | 348 / 206 lb 157.9 / 93.4 kg | 438 / 283 lb 198.7 / 128.4 kg | 527 / 361 lb 239 / 163.7 kg |
Women’s Barbell Box Squats vs Belt Squat Split Squat Standards
How to read the table: The first number is Barbell Box Squats; the second is Belt Squat Split 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 | 92 / 46 lb 41.7 / 20.9 kg | 121 / 69 lb 54.9 / 31.3 kg | 155 / 98 lb 70.3 / 44.5 kg | 189 / 126 lb 85.7 / 57.2 kg |
| 110 lb 49.9 kg | 98 / 49 lb 44.5 / 22.2 kg | 128 / 73 lb 58.1 / 33.1 kg | 165 / 104 lb 74.8 / 47.2 kg | 202 / 134 lb 91.6 / 60.8 kg |
| 120 lb 54.4 kg | 103 / 52 lb 46.7 / 23.6 kg | 136 / 78 lb 61.7 / 35.4 kg | 175 / 110 lb 79.4 / 49.9 kg | 214 / 142 lb 97.1 / 64.4 kg |
| 130 lb 59 kg | 109 / 55 lb 49.4 / 24.9 kg | 144 / 82 lb 65.3 / 37.2 kg | 185 / 116 lb 83.9 / 52.6 kg | 225 / 150 lb 102.1 / 68 kg |
| 140 lb 63.5 kg | 115 / 57 lb 52.2 / 25.9 kg | 151 / 86 lb 68.5 / 39 kg | 194 / 122 lb 88 / 55.3 kg | 237 / 158 lb 107.5 / 71.7 kg |
| 150 lb 68 kg | 120 / 60 lb 54.4 / 27.2 kg | 158 / 90 lb 71.7 / 40.8 kg | 203 / 128 lb 92.1 / 58.1 kg | 248 / 165 lb 112.5 / 74.8 kg |
| 160 lb 72.6 kg | 125 / 63 lb 56.7 / 28.6 kg | 165 / 94 lb 74.8 / 42.6 kg | 212 / 134 lb 96.2 / 60.8 kg | 259 / 172 lb 117.5 / 78 kg |
| 170 lb 77.1 kg | 130 / 65 lb 59 / 29.5 kg | 172 / 98 lb 78 / 44.5 kg | 221 / 139 lb 100.2 / 63 kg | 270 / 179 lb 122.5 / 81.2 kg |
| 180 lb 81.6 kg | 136 / 68 lb 61.7 / 30.8 kg | 178 / 102 lb 80.7 / 46.3 kg | 229 / 145 lb 103.9 / 65.8 kg | 280 / 186 lb 127 / 84.4 kg |
| 190 lb 86.2 kg | 140 / 70 lb 63.5 / 31.8 kg | 185 / 105 lb 83.9 / 47.6 kg | 238 / 150 lb 108 / 68 kg | 290 / 193 lb 131.5 / 87.5 kg |
| 200 lb 90.7 kg | 145 / 73 lb 65.8 / 33.1 kg | 191 / 109 lb 86.6 / 49.4 kg | 246 / 155 lb 111.6 / 70.3 kg | 300 / 200 lb 136.1 / 90.7 kg |
| 210 lb 95.3 kg | 150 / 75 lb 68 / 34 kg | 198 / 113 lb 89.8 / 51.3 kg | 254 / 160 lb 115.2 / 72.6 kg | 310 / 206 lb 140.6 / 93.4 kg |
| 220 lb 99.8 kg | 155 / 77 lb 70.3 / 34.9 kg | 204 / 116 lb 92.5 / 52.6 kg | 262 / 165 lb 118.8 / 74.8 kg | 320 / 213 lb 145.1 / 96.6 kg |
| 230 lb 104.3 kg | 160 / 80 lb 72.6 / 36.3 kg | 210 / 120 lb 95.3 / 54.4 kg | 270 / 170 lb 122.5 / 77.1 kg | 330 / 219 lb 149.7 / 99.3 kg |
| 240 lb 108.9 kg | 164 / 82 lb 74.4 / 37.2 kg | 216 / 123 lb 98 / 55.8 kg | 278 / 175 lb 126.1 / 79.4 kg | 339 / 226 lb 153.8 / 102.5 kg |
How Your Barbell Box Squats vs Belt Squat Split 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 barbell box squats strength level
The standards use the sex-specific targets from the individual Barbell Box Squats 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 lift more without requiring strength to increase pound for pound.
3. Find the belt squat split squat strength level
The standards use the sex-specific strength levels from the individual Belt Squat Split 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 move more belt-squat resistance 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 barbell box squats | Adjust barbell box squats targets to exact bodyweight with the two-thirds rule. |
| Rate the belt squat split squat | Adjust belt squat split squat targets to exact bodyweight with the two-thirds rule while preserving the belt-load and total-reps conventions. |
| 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 Barbell Box Squats and Belt Squat Split 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 belt squat split squat standard is higher; below zero means the barbell box squats 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.
40.8 → 75.3 kg from 120 to 300 lb bodyweight.
How to read the table: Every number is the belt squat split squat standard minus the barbell box squats standard. A plus sign means the belt squat split squat standard is higher. A minus sign means the barbell box squats standard is higher.
| Bodyweight | Novice | Intermediate | Advanced | Elite |
|---|---|---|---|---|
| 120 lb 54.4 kg | −70 lb −31.8 kg | −77 lb −34.9 kg | −84 lb −38.1 kg | −90 lb −40.8 kg |
| 130 lb 59 kg | −73 lb −33.1 kg | −82 lb −37.2 kg | −89 lb −40.4 kg | −95 lb −43.1 kg |
| 140 lb 63.5 kg | −77 lb −34.9 kg | −86 lb −39.1 kg | −93 lb −42.1 kg | −100 lb −45.4 kg |
| 150 lb 68 kg | −81 lb −36.8 kg | −90 lb −40.8 kg | −97 lb −44 kg | −105 lb −47.6 kg |
| 160 lb 72.6 kg | −84 lb −38.1 kg | −93 lb −42.2 kg | −102 lb −46.2 kg | −110 lb −49.9 kg |
| 170 lb 77.1 kg | −89 lb −40.4 kg | −98 lb −44.4 kg | −106 lb −48.1 kg | −114 lb −51.7 kg |
| 180 lb 81.6 kg | −92 lb −41.7 kg | −101 lb −45.8 kg | −110 lb −49.9 kg | −118 lb −53.5 kg |
| 190 lb 86.2 kg | −95 lb −43.1 kg | −105 lb −47.7 kg | −114 lb −51.7 kg | −123 lb −55.7 kg |
| 200 lb 90.7 kg | −98 lb −44.5 kg | −109 lb −49.5 kg | −118 lb −53.5 kg | −128 lb −58.1 kg |
| 210 lb 95.3 kg | −102 lb −46.3 kg | −113 lb −51.2 kg | −122 lb −55.3 kg | −132 lb −59.9 kg |
| 220 lb 99.8 kg | −105 lb −47.6 kg | −115 lb −52.2 kg | −126 lb −57.2 kg | −136 lb −61.7 kg |
| 230 lb 104.3 kg | −108 lb −49 kg | −119 lb −53.9 kg | −130 lb −59 kg | −140 lb −63.5 kg |
| 240 lb 108.9 kg | −111 lb −50.3 kg | −122 lb −55.4 kg | −133 lb −60.3 kg | −144 lb −65.3 kg |
| 250 lb 113.4 kg | −114 lb −51.7 kg | −126 lb −57.2 kg | −137 lb −62.1 kg | −148 lb −67.1 kg |
| 260 lb 117.9 kg | −118 lb −53.5 kg | −130 lb −59 kg | −140 lb −63.5 kg | −151 lb −68.5 kg |
| 270 lb 122.5 kg | −120 lb −54.5 kg | −133 lb −60.3 kg | −144 lb −65.4 kg | −156 lb −70.8 kg |
| 280 lb 127 kg | −123 lb −55.8 kg | −136 lb −61.6 kg | −147 lb −66.7 kg | −160 lb −72.6 kg |
| 290 lb 131.5 kg | −126 lb −57.2 kg | −140 lb −63.5 kg | −151 lb −68.5 kg | −163 lb −74 kg |
| 300 lb 136.1 kg | −129 lb −58.5 kg | −142 lb −64.5 kg | −155 lb −70.3 kg | −166 lb −75.3 kg |
How Women’s Barbell Box Squats and Belt Squat Split 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.
28.5 → 51.3 kg from 100 to 240 lb bodyweight.
How to read the table: Every number is the belt squat split squat standard minus the barbell box squats standard. A plus sign means the belt squat split squat standard is higher. A minus sign means the barbell box squats standard is higher.
| Bodyweight | Novice | Intermediate | Advanced | Elite |
|---|---|---|---|---|
| 100 lb 45.4 kg | −46 lb −20.8 kg | −52 lb −23.6 kg | −57 lb −25.8 kg | −63 lb −28.5 kg |
| 110 lb 49.9 kg | −49 lb −22.3 kg | −55 lb −25 kg | −61 lb −27.6 kg | −68 lb −30.8 kg |
| 120 lb 54.4 kg | −51 lb −23.1 kg | −58 lb −26.3 kg | −65 lb −29.5 kg | −72 lb −32.7 kg |
| 130 lb 59 kg | −54 lb −24.5 kg | −62 lb −28.1 kg | −69 lb −31.3 kg | −75 lb −34.1 kg |
| 140 lb 63.5 kg | −58 lb −26.3 kg | −65 lb −29.5 kg | −72 lb −32.7 kg | −79 lb −35.8 kg |
| 150 lb 68 kg | −60 lb −27.2 kg | −68 lb −30.9 kg | −75 lb −34 kg | −83 lb −37.7 kg |
| 160 lb 72.6 kg | −62 lb −28.1 kg | −71 lb −32.2 kg | −78 lb −35.4 kg | −87 lb −39.5 kg |
| 170 lb 77.1 kg | −65 lb −29.5 kg | −74 lb −33.5 kg | −82 lb −37.2 kg | −91 lb −41.3 kg |
| 180 lb 81.6 kg | −68 lb −30.9 kg | −76 lb −34.4 kg | −84 lb −38.1 kg | −94 lb −42.6 kg |
| 190 lb 86.2 kg | −70 lb −31.7 kg | −80 lb −36.3 kg | −88 lb −40 kg | −97 lb −44 kg |
| 200 lb 90.7 kg | −72 lb −32.7 kg | −82 lb −37.2 kg | −91 lb −41.3 kg | −100 lb −45.4 kg |
| 210 lb 95.3 kg | −75 lb −34 kg | −85 lb −38.5 kg | −94 lb −42.6 kg | −104 lb −47.2 kg |
| 220 lb 99.8 kg | −78 lb −35.4 kg | −88 lb −39.9 kg | −97 lb −44 kg | −107 lb −48.5 kg |
| 230 lb 104.3 kg | −80 lb −36.3 kg | −90 lb −40.9 kg | −100 lb −45.4 kg | −111 lb −50.4 kg |
| 240 lb 108.9 kg | −82 lb −37.2 kg | −93 lb −42.2 kg | −103 lb −46.7 kg | −113 lb −51.3 kg |
Barbell Box Squats and Belt Squat Split Squat Exercises Used by This Calculator
This calculator uses a strict barbell box squats and a strict belt squat split squat. Use strict canonical Barbell Box Squats and Belt Squat Split Squat tests. Do not mix variations, assistance, partial range, momentum, or different load conventions.
Use a strict, repeatable Barbell Box Squats
Follow the individual Barbell Box Squats calculator’s canonical setup, load convention, range of motion, and finish rules. Keep the same setup when retesting.
Enter the belt-squat resistance and total reps across both legs
Use the same belt-squat station, resistance, stance, range, and strict execution on each leg. Enter the selected or loaded resistance attached through the belt and total valid reps across both legs combined. Do not include bodyweight or substitute a bilateral belt squat, lunge, Bulgarian split squat, free-weight split squat, rail-assisted rep, machine-stop rebound, or partial rep.
Enter one recent Barbell Box Squats result and one recent Belt Squat Split Squat result
Use each exercise’s canonical input: External load for Barbell Box Squats and Selected or loaded belt-squat resistance for Belt Squat Split Squat.
Related Tools
- Barbell Box Squats — View the individual Barbell Box Squats standards and next strength-level target.
- Belt Squat Split Squat — View the individual Belt Squat Split 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 Squat 1RM Calculator — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
- Barbell Front Squat — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
- Smith Machine Back Squat — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.