Leg Press (45° Sled) vs Plate Loaded Leg Extension Strength Standards
Compare your leg press and plate loaded leg extension against strength standards for your sex and bodyweight. Test each lift with 1–12 strict reps to see estimated one-rep maxes, strength levels, next targets, and priority.
First lift: total plates loaded on the 45-degree sled and 1–12 strict reps. Second lift: weight used and 1–12 strict reps. Pounds or kilograms. For the first exercise, keep both feet flat and approximately shoulder-width, descend until the thighs reach at least parallel to the platform without lifting the hips or rounding the lower back. For the second exercise, the lifter must extend the knees through the machine range to a controlled top position. Each lift is compared with its own standards, so the heavier lift is not automatically the stronger one.
Leg Press vs Plate Loaded Leg Extension Strength Standards
Use these tables to compare the estimated one-rep max required for the 45-degree leg press and plate loaded leg extension 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 Leg Press / Plate Loaded Leg Extension, with pounds above kilograms. Use the calculator for your exact bodyweight and recent sets.
Men’s Leg Press vs Plate Loaded Leg Extension 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 | Leg Press | 168 lb76.2 kg | 252 lb114.3 kg | 350 lb158.8 kg | 448 lb203.2 kg |
| Plate Loaded Leg Extension | 50 lb22.7 kg | 78 lb35.4 kg | 112 lb50.8 kg | 146 lb66.2 kg | |
| 130 lb59 kg | Leg Press | 177 lb80.3 kg | 266 lb120.7 kg | 369 lb167.4 kg | 472 lb214.1 kg |
| Plate Loaded Leg Extension | 53 lb24 kg | 82 lb37.2 kg | 118 lb53.5 kg | 154 lb69.9 kg | |
| 140 lb63.5 kg | Leg Press | 186 lb84.4 kg | 279 lb126.6 kg | 388 lb176 kg | 496 lb225 kg |
| Plate Loaded Leg Extension | 55 lb24.9 kg | 86 lb39 kg | 124 lb56.2 kg | 162 lb73.5 kg | |
| 150 lb68 kg | Leg Press | 195 lb88.5 kg | 292 lb132.4 kg | 406 lb184.2 kg | 519 lb235.4 kg |
| Plate Loaded Leg Extension | 58 lb26.3 kg | 91 lb41.3 kg | 130 lb59 kg | 169 lb76.7 kg | |
| 160 lb72.6 kg | Leg Press | 203 lb92.1 kg | 305 lb138.3 kg | 424 lb192.3 kg | 542 lb245.8 kg |
| Plate Loaded Leg Extension | 61 lb27.7 kg | 95 lb43.1 kg | 136 lb61.7 kg | 177 lb80.3 kg | |
| 170 lb77.1 kg | Leg Press | 212 lb96.2 kg | 318 lb144.2 kg | 441 lb200 kg | 565 lb256.3 kg |
| Plate Loaded Leg Extension | 63 lb28.6 kg | 98 lb44.5 kg | 141 lb64 kg | 184 lb83.5 kg | |
| 180 lb81.6 kg | Leg Press | 220 lb99.8 kg | 330 lb149.7 kg | 458 lb207.7 kg | 586 lb265.8 kg |
| Plate Loaded Leg Extension | 66 lb29.9 kg | 102 lb46.3 kg | 147 lb66.7 kg | 191 lb86.6 kg | |
| 190 lb86.2 kg | Leg Press | 228 lb103.4 kg | 342 lb155.1 kg | 475 lb215.5 kg | 608 lb275.8 kg |
| Plate Loaded Leg Extension | 68 lb30.8 kg | 106 lb48.1 kg | 152 lb68.9 kg | 198 lb89.8 kg | |
| 200 lb90.7 kg | Leg Press | 236 lb107 kg | 354 lb160.6 kg | 492 lb223.2 kg | 629 lb285.3 kg |
| Plate Loaded Leg Extension | 70 lb31.8 kg | 110 lb49.9 kg | 157 lb71.2 kg | 205 lb93 kg | |
| 210 lb95.3 kg | Leg Press | 244 lb110.7 kg | 366 lb166 kg | 508 lb230.4 kg | 650 lb294.8 kg |
| Plate Loaded Leg Extension | 73 lb33.1 kg | 113 lb51.3 kg | 162 lb73.5 kg | 212 lb96.2 kg | |
| 220 lb99.8 kg | Leg Press | 251 lb113.9 kg | 377 lb171 kg | 524 lb237.7 kg | 670 lb303.9 kg |
| Plate Loaded Leg Extension | 75 lb34 kg | 117 lb53.1 kg | 168 lb76.2 kg | 218 lb98.9 kg | |
| 230 lb104.3 kg | Leg Press | 259 lb117.5 kg | 388 lb176 kg | 540 lb244.9 kg | 691 lb313.4 kg |
| Plate Loaded Leg Extension | 77 lb34.9 kg | 120 lb54.4 kg | 173 lb78.5 kg | 225 lb102.1 kg | |
| 240 lb108.9 kg | Leg Press | 266 lb120.7 kg | 400 lb181.4 kg | 555 lb251.7 kg | 710 lb322.1 kg |
| Plate Loaded Leg Extension | 79 lb35.8 kg | 124 lb56.2 kg | 178 lb80.7 kg | 231 lb104.8 kg | |
| 250 lb113.4 kg | Leg Press | 274 lb124.3 kg | 411 lb186.4 kg | 570 lb258.5 kg | 730 lb331.1 kg |
| Plate Loaded Leg Extension | 82 lb37.2 kg | 127 lb57.6 kg | 183 lb83 kg | 238 lb108 kg | |
| 260 lb117.9 kg | Leg Press | 281 lb127.5 kg | 422 lb191.4 kg | 585 lb265.4 kg | 749 lb339.7 kg |
| Plate Loaded Leg Extension | 84 lb38.1 kg | 131 lb59.4 kg | 187 lb84.8 kg | 244 lb110.7 kg | |
| 270 lb122.5 kg | Leg Press | 288 lb130.6 kg | 432 lb196 kg | 600 lb272.2 kg | 768 lb348.4 kg |
| Plate Loaded Leg Extension | 86 lb39 kg | 134 lb60.8 kg | 192 lb87.1 kg | 250 lb113.4 kg | |
| 280 lb127 kg | Leg Press | 295 lb133.8 kg | 443 lb200.9 kg | 615 lb279 kg | 787 lb357 kg |
| Plate Loaded Leg Extension | 88 lb39.9 kg | 137 lb62.1 kg | 197 lb89.4 kg | 256 lb116.1 kg | |
| 290 lb131.5 kg | Leg Press | 302 lb137 kg | 453 lb205.5 kg | 630 lb285.8 kg | 806 lb365.6 kg |
| Plate Loaded Leg Extension | 90 lb40.8 kg | 141 lb64 kg | 201 lb91.2 kg | 262 lb118.8 kg | |
| 300 lb136.1 kg | Leg Press | 309 lb140.2 kg | 464 lb210.5 kg | 644 lb292.1 kg | 824 lb373.8 kg |
| Plate Loaded Leg Extension | 92 lb41.7 kg | 144 lb65.3 kg | 206 lb93.4 kg | 268 lb121.6 kg |
Women’s Leg Press vs Plate Loaded Leg Extension 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 | Leg Press | 114 lb51.7 kg | 172 lb78 kg | 240 lb108.9 kg | 309 lb140.2 kg |
| Plate Loaded Leg Extension | 30 lb13.6 kg | 48 lb21.8 kg | 71 lb32.2 kg | 92 lb41.7 kg | |
| 110 lb49.9 kg | Leg Press | 122 lb55.3 kg | 183 lb83 kg | 256 lb116.1 kg | 329 lb149.2 kg |
| Plate Loaded Leg Extension | 32 lb14.5 kg | 51 lb23.1 kg | 76 lb34.5 kg | 98 lb44.5 kg | |
| 120 lb54.4 kg | Leg Press | 129 lb58.5 kg | 194 lb88 kg | 271 lb122.9 kg | 349 lb158.3 kg |
| Plate Loaded Leg Extension | 34 lb15.4 kg | 54 lb24.5 kg | 80 lb36.3 kg | 103 lb46.7 kg | |
| 130 lb59 kg | Leg Press | 136 lb61.7 kg | 205 lb93 kg | 286 lb129.7 kg | 368 lb166.9 kg |
| Plate Loaded Leg Extension | 35 lb15.9 kg | 57 lb25.9 kg | 85 lb38.6 kg | 109 lb49.4 kg | |
| 140 lb63.5 kg | Leg Press | 143 lb64.9 kg | 215 lb97.5 kg | 301 lb136.5 kg | 387 lb175.5 kg |
| Plate Loaded Leg Extension | 37 lb16.8 kg | 60 lb27.2 kg | 89 lb40.4 kg | 115 lb52.2 kg | |
| 150 lb68 kg | Leg Press | 150 lb68 kg | 225 lb102.1 kg | 315 lb142.9 kg | 405 lb183.7 kg |
| Plate Loaded Leg Extension | 39 lb17.7 kg | 63 lb28.6 kg | 93 lb42.2 kg | 120 lb54.4 kg | |
| 160 lb72.6 kg | Leg Press | 157 lb71.2 kg | 235 lb106.6 kg | 329 lb149.2 kg | 423 lb191.9 kg |
| Plate Loaded Leg Extension | 41 lb18.6 kg | 66 lb29.9 kg | 97 lb44 kg | 125 lb56.7 kg | |
| 170 lb77.1 kg | Leg Press | 163 lb73.9 kg | 245 lb111.1 kg | 342 lb155.1 kg | 440 lb199.6 kg |
| Plate Loaded Leg Extension | 42 lb19.1 kg | 68 lb30.8 kg | 101 lb45.8 kg | 130 lb59 kg | |
| 180 lb81.6 kg | Leg Press | 169 lb76.7 kg | 254 lb115.2 kg | 356 lb161.5 kg | 457 lb207.3 kg |
| Plate Loaded Leg Extension | 44 lb20 kg | 71 lb32.2 kg | 105 lb47.6 kg | 136 lb61.7 kg | |
| 190 lb86.2 kg | Leg Press | 176 lb79.8 kg | 263 lb119.3 kg | 369 lb167.4 kg | 474 lb215 kg |
| Plate Loaded Leg Extension | 46 lb20.9 kg | 74 lb33.6 kg | 109 lb49.4 kg | 140 lb63.5 kg | |
| 200 lb90.7 kg | Leg Press | 182 lb82.6 kg | 273 lb123.8 kg | 382 lb173.3 kg | 491 lb222.7 kg |
| Plate Loaded Leg Extension | 47 lb21.3 kg | 76 lb34.5 kg | 113 lb51.3 kg | 145 lb65.8 kg | |
| 210 lb95.3 kg | Leg Press | 188 lb85.3 kg | 282 lb127.9 kg | 394 lb178.7 kg | 507 lb230 kg |
| Plate Loaded Leg Extension | 49 lb22.2 kg | 79 lb35.8 kg | 116 lb52.6 kg | 150 lb68 kg | |
| 220 lb99.8 kg | Leg Press | 194 lb88 kg | 290 lb131.5 kg | 407 lb184.6 kg | 523 lb237.2 kg |
| Plate Loaded Leg Extension | 50 lb22.7 kg | 81 lb36.7 kg | 120 lb54.4 kg | 155 lb70.3 kg | |
| 230 lb104.3 kg | Leg Press | 199 lb90.3 kg | 299 lb135.6 kg | 419 lb190.1 kg | 539 lb244.5 kg |
| Plate Loaded Leg Extension | 52 lb23.6 kg | 84 lb38.1 kg | 124 lb56.2 kg | 160 lb72.6 kg | |
| 240 lb108.9 kg | Leg Press | 205 lb93 kg | 308 lb139.7 kg | 431 lb195.5 kg | 554 lb251.3 kg |
| Plate Loaded Leg Extension | 53 lb24 kg | 86 lb39 kg | 127 lb57.6 kg | 164 lb74.4 kg |
How Your Leg Press vs Plate Loaded Leg Extension Result Is Calculated
Both lifts are scored independently first: estimated max, bodyweight-adjusted strength level, and progress toward the next level. Those ratings drive the comparison.
1. Estimate a one-rep max from each set
A one-rep set uses the entered weight. For 2–12 reps, both formulas are calculated and the lower estimate is retained.
- Epley: weight × (1 + reps ÷ 30)
- Brzycki: weight × 36 ÷ (37 − reps)
For the most useful Leg Press vs Plate Loaded Leg Extension comparison, enter clean, difficult sets performed with the same technique and range of motion you use in training. Lower-rep sets usually require less extrapolation.
2. Find the 45-degree leg press strength level
The leg press standards use the sex-specific standards from the individual Leg Press 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 heavier lifters are expected to press more sled load without requiring strength to increase pound for pound.
3. Find the plate loaded leg extension strength level
The standards use the sex-specific thresholds from the individual Plate Loaded Leg Extension 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.
This adjustment expects larger lifters to move more weight, but it does not increase the target pound for pound with bodyweight.
4. Compare the two results
Strength level decides the comparison first. Matching levels remain Balanced unless progress toward the next target differs by at least 10 points.
Treat the result as a training comparison rather than an explanation of why one lift trails. Set quality, fatigue, skill, and training exposure all matter. 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 leg press | Adjust 45-degree leg press targets to exact bodyweight with the two-thirds rule. |
| Rate the plate loaded leg extension | 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 Leg Press and Plate Loaded Leg Extension Standards Differ
What the men’s data shows:
The standards come closest at 120 lb.
The higher target remains with Leg Press for Novice, Intermediate, Advanced, and Elite throughout the table.
At Elite, the difference is 137 kg at 120 lb and 252.2 kg at 300 lb.
How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Plate Loaded Leg Extension standard minus the Leg Press standard: zero means equal, above zero means the Plate Loaded Leg Extension standard is higher, and below zero means the Leg Press 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 Leg Press and Plate Loaded Leg Extension Standards Differ
What the women’s data shows:
The standards come closest at 100 lb.
Novice, Intermediate, Advanced, and Elite at every displayed bodyweight.
At Elite, the difference is 98.5 kg at 100 lb and 176.9 kg at 240 lb.
How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Plate Loaded Leg Extension standard minus the Leg Press standard: zero means equal, above zero means the Plate Loaded Leg Extension standard is higher, and below zero means the Leg Press 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.
Leg Press and Plate Loaded Leg Extension Exercises Used by This Calculator
Compare like-for-like attempts by keeping the 45-degree leg press and plate loaded leg extension setup consistent with their individual rules. Use strict, repeatable Leg Press and Plate Loaded Leg Extension 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.
Use a 45-degree plate-loaded sled leg press
Keep both feet flat and approximately shoulder-width, descend until the thighs reach at least parallel to the platform without lifting the hips or rounding the lower back, and press to controlled full knee extension. Do not enter a horizontal, vertical, selectorized, single-leg, high-foot, partial, bounced, or assisted press.
Use the Plate Loaded Leg Extension setup and load convention
The lifter must control the implement before the first counted rep begins. Valid Plate Loaded Leg Extension reps. The lifter must extend the knees through the machine range to a controlled top position, then lower under control to the same bottom range without bouncing the lever or shifting hips. A valid finish requires controlled knee extension at the machine top range with stable hips and trunk, no kick-and-drop, no shortened range, and no hands-assisted leverage. Consistent setup, range, and finish quality across the entered set. No substituted exercise or assisted reps.
Enter one recent Leg Press result and one recent Plate Loaded Leg Extension result
First lift: total plates loaded on the 45-degree sled and 1–12 strict reps. Second lift: weight used and 1–12 strict reps. Pounds or kilograms.
Related Tools
- Leg Press (45° Sled) — View the individual Leg Press standards and next strength-level target.
- Plate Loaded Leg Extension — View the individual Plate Loaded Leg Extension standards and next strength-level target.
- Leg Extension — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
- Single Leg Machine Leg Press — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
- Belt Squat — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
- Safety Bar Squat — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.