Stiff Leg Deadlift Strength Standards Calculator
Under strict Barbell Stiff-Leg Deadlift (Raw) strength standards, Novice starts around 0.65x bodyweight for men and 0.46x for women, while Elite starts around 1.5x for men and 1.1x for women.
Enter your bodyweight, weight lifted, and reps to estimate your 1RM and see whether your Barbell Stiff-Leg Deadlift (Raw) is Novice, Intermediate, Advanced, or Elite for your bodyweight.
The calculator converts your set into an estimated 1RM-to-bodyweight ratio, then compares that ratio with the Barbell Stiff-Leg Deadlift (Raw) standards for your sex. This keeps the result focused on relative strength instead of only the absolute weight lifted.
Understanding Your Stiff-Leg Deadlift Strength Score
Your Barbell Stiff-Leg Deadlift strength level comes from comparing your estimated one-rep max with targets for your sex and exact bodyweight. Those targets rise with bodyweight without using one fixed multiplier for every lifter.
This score reflects how much load you can control while your hamstrings are fully stretched with only a slight knee bend. The bar stays in contact with your legs as your hips move back, and the rep ends when hamstring tension stops the descent without your spine rounding.
The same performance can represent very different strength levels depending on bodyweight. That same 285 lb estimated 1RM is Elite at 180 lb, but only around Advanced for a 220 lb lifter because the heavier lifter is moving less weight relative to their size.
Execution also changes the score. A strict rep uses soft knees with no forward knee travel and stops at hamstring-limited depth. If your knees bend more during the set, the lift turns into a Romanian deadlift, which allows more weight and inflates your estimated 1RM — making the score invalid for stiff-leg standards.
This score exposes a different strength quality than knee-dominant pulls. You can have a big conventional deadlift and still fall short here if you lose position when your hamstrings are lengthened or let your knees drift forward under load.
Use your result to see where your hinge strength actually sits, then aim to move up a tier by adding load without losing depth — for example, taking a 0.83× ratio to 1.15× means lifting more weight while holding the same stretched hamstring position and bar path.
Stiff Leg Deadlift Strength Standards
The Stiff Leg Deadlift tables show where an estimated 1RM falls from Beginner through Elite, plus the Stretch benchmark, at each listed bodyweight. The ranges use allometric scaling, so they rise with bodyweight without increasing pound-for-pound.
Choose the table for your sex, find the row nearest your bodyweight, and locate the range containing your estimated 1RM. Each boundary belongs to the higher level. The calculator uses your exact bodyweight and remains the final result for bodyweights between rows.
Men’s Stiff Leg Deadlift Strength Standards
| Bodyweight | Beginner | Novice | Intermediate | Advanced | Elite | Stretch |
|---|---|---|---|---|---|---|
| 120 lb | Under 91 lb | 91–115 lb | 116–160 lb | 161–205 lb | 206–258 lb | 259 lb+ |
| 130 lb | Under 96 lb | 96–122 lb | 123–169 lb | 170–216 lb | 217–272 lb | 273 lb+ |
| 140 lb | Under 101 lb | 101–128 lb | 129–178 lb | 179–227 lb | 228–286 lb | 287 lb+ |
| 150 lb | Under 106 lb | 106–134 lb | 135–186 lb | 187–238 lb | 239–300 lb | 301 lb+ |
| 160 lb | Under 111 lb | 111–140 lb | 141–194 lb | 195–249 lb | 250–313 lb | 314 lb+ |
| 170 lb | Under 115 lb | 115–146 lb | 147–202 lb | 203–259 lb | 260–326 lb | 327 lb+ |
| 180 lb | Under 120 lb | 120–151 lb | 152–210 lb | 211–269 lb | 270–339 lb | 340 lb+ |
| 190 lb | Under 124 lb | 124–157 lb | 158–218 lb | 219–279 lb | 280–351 lb | 352 lb+ |
| 200 lb | Under 128 lb | 128–162 lb | 163–226 lb | 227–289 lb | 290–363 lb | 364 lb+ |
| 210 lb | Under 133 lb | 133–168 lb | 169–233 lb | 234–298 lb | 299–375 lb | 376 lb+ |
| 220 lb | Under 137 lb | 137–173 lb | 174–240 lb | 241–308 lb | 309–387 lb | 388 lb+ |
| 230 lb | Under 141 lb | 141–178 lb | 179–248 lb | 249–317 lb | 318–399 lb | 400 lb+ |
| 240 lb | Under 145 lb | 145–184 lb | 185–255 lb | 256–326 lb | 327–410 lb | 411 lb+ |
| 250 lb | Under 149 lb | 149–189 lb | 190–262 lb | 263–335 lb | 336–422 lb | 423 lb+ |
| 260 lb | Under 153 lb | 153–194 lb | 195–269 lb | 270–344 lb | 345–433 lb | 434 lb+ |
Women’s Stiff Leg Deadlift Strength Standards
| Bodyweight | Beginner | Novice | Intermediate | Advanced | Elite | Stretch |
|---|---|---|---|---|---|---|
| 100 lb | Under 53 lb | 53–68 lb | 69–94 lb | 95–126 lb | 127–152 lb | 153 lb+ |
| 110 lb | Under 56 lb | 56–73 lb | 74–101 lb | 102–134 lb | 135–162 lb | 163 lb+ |
| 120 lb | Under 59 lb | 59–77 lb | 78–107 lb | 108–142 lb | 143–171 lb | 172 lb+ |
| 130 lb | Under 63 lb | 63–82 lb | 83–113 lb | 114–150 lb | 151–181 lb | 182 lb+ |
| 140 lb | Under 66 lb | 66–86 lb | 87–118 lb | 119–158 lb | 159–190 lb | 191 lb+ |
| 150 lb | Under 69 lb | 69–90 lb | 91–124 lb | 125–165 lb | 166–199 lb | 200 lb+ |
| 160 lb | Under 72 lb | 72–94 lb | 95–129 lb | 130–172 lb | 173–208 lb | 209 lb+ |
| 170 lb | Under 75 lb | 75–98 lb | 99–135 lb | 136–179 lb | 180–216 lb | 217 lb+ |
| 180 lb | Under 78 lb | 78–102 lb | 103–140 lb | 141–186 lb | 187–225 lb | 226 lb+ |
| 190 lb | Under 81 lb | 81–106 lb | 107–145 lb | 146–193 lb | 194–233 lb | 234 lb+ |
| 200 lb | Under 84 lb | 84–109 lb | 110–150 lb | 151–200 lb | 201–241 lb | 242 lb+ |
| 210 lb | Under 86 lb | 86–113 lb | 114–155 lb | 156–207 lb | 208–249 lb | 250 lb+ |
| 220 lb | Under 89 lb | 89–116 lb | 117–160 lb | 161–213 lb | 214–257 lb | 258 lb+ |
These are Endura’s practical Stiff Leg Deadlift standards. They are built from exercise-specific reference thresholds and validated against the calculator’s exact lower-inclusive tier boundaries; they are not population averages.
How the Stiff-Leg Deadlift Calculator Works
The stiff-leg deadlift calculator estimates your one-rep max using the Epley formula and then compares that number to your bodyweight to determine your strength tier.
When you enter your weight and reps, the calculator uses this equation: Estimated 1RM = weight × (1 + reps ÷ 30). For example, if you lift 225 lb for 8 reps, your estimated 1RM is about 285 lb. At 180 lb bodyweight, that equals 1.58×, which places you in the Elite tier.
The Barbell Stiff-Leg Deadlift calculator estimates your one-rep max from the weight and reps you enter, then compares it with allometrically adjusted targets for your sex and exact bodyweight.
Results can be inflated if your range of motion changes. If your knees bend more or your hips stop moving back as the set gets harder, the bar travels a shorter distance and allows more weight, which increases your estimated 1RM without reflecting true hinge strength.
A strict stiff-leg deadlift keeps limited knee flexion, the bar in contact with your legs, and stops each rep when hamstring tension limits the descent. If those conditions change, the calculation is still mathematically correct, but it no longer represents the same movement.
This is why two sets with the same weight and reps can produce very different real-world strength results. A strict 225 lb × 8 set reflects true hinge strength, while a looser set with more knee bend produces a higher estimate that belongs to a different lift.
Even though hinge depth can vary slightly between lifters, your result is only meaningful if your own reps stay consistent. If your depth or knee angle changes between tests, your numbers may go up without any real increase in hinge strength.
Enter your best strict set above, then use your estimated 1RM and ratio to see your current level and track your progress toward the next tier.
Elite Stiff-Leg Deadlift Strength Levels
Elite Barbell Stiff-Leg Deadlift strength means reaching the Elite target for your sex and exact bodyweight. The target rises with bodyweight without increasing pound-for-pound, so use the calculator for your exact Elite and Stretch targets.
Execution matters even more at this level. A strict 265 lb estimated 1RM reflects true hinge strength, while a heavier number achieved with more knee bend or reduced range does not meet Elite standards for this lift. For example, lifting 315 lb with shortened range or increased knee bend may appear stronger, but it no longer represents a stiff-leg deadlift.
What separates Elite from Advanced is the ability to hold the same hinge position under heavier load. Advanced lifters can reach the bottom position, but Elite lifters can stay there, keep the bar close, and stand back up without any change in knee angle or depth.
This is what Elite actually looks like: the bar stays in contact with your legs, your knees remain nearly fixed, and every rep reaches the same hamstring-limited depth even as the weight increases.
Social media often shows heavier lifts labeled as stiff-leg deadlifts, but many of those sets involve more knee bend or shortened range of motion. That allows more weight but changes the movement, which is why strict standards produce lower but more meaningful numbers.
This level also exposes imbalances. A lifter may have a strong conventional deadlift but fall short of Elite here if they cannot maintain position when the hamstrings are fully loaded.
Use your ratio to see how close you are to the Elite threshold, then focus on adding weight without losing hinge position to reach and exceed that level.
Stiff-Leg Deadlift Strength Compared to Other Lifts
Stiff-leg deadlift strength is lower than Romanian and conventional deadlifts because it removes knee drive and places the load entirely on your ability to hold tension in a stretched hinge position.
| Lift | Primary Limiter | Typical Strength Level (× Bodyweight) |
|---|---|---|
| Stiff-Leg Deadlift | Hamstring tension + hinge control | 0.83–1.47× |
| Romanian Deadlift | Hamstrings + some knee flexion | 1.00–1.80× |
| Conventional Deadlift | Quads + hips + back | 1.50–2.50×+ |
Because Barbell Stiff-Leg Deadlift targets adjust allometrically for bodyweight, compare the strength levels produced by each exercise’s own calculator instead of transferring one fixed ratio or tier between exercises.
Strict vs loose execution makes the difference clear. A strict 285 lb estimated 1RM at 180 lb bodyweight equals 1.58× and reflects true hinge strength, but if that same lifter performs 315 lb with more knee bend and reduced stretch, the number is higher but inflated and no longer represents a stiff-leg deadlift.
Bodyweight still affects how these comparisons are interpreted. A 285 lb stiff-leg deadlift is Elite at 180 lb bodyweight, but only Advanced at 220 lb, even though the absolute weight is the same.
The key difference is where the lift breaks down. If your stiff-leg deadlift lags behind your other pulls, the issue is not total strength—it is your inability to hold position when your hamstrings are fully loaded.
Comparing your stiff-leg deadlift to other lifts helps identify imbalances. If your Romanian or conventional deadlift is much higher but your stiff-leg deadlift stays low, your limitation is hinge control and hamstring strength under stretch.
Use these comparisons to understand where your strength is coming from, then focus on improving your stiff-leg deadlift without relying on knee bend to close the gap.
Additional Exercise Comparisons
Where These Strength Standards Come From
| Source Factor | Adjustment | Reason |
|---|---|---|
| Romanian Deadlift Norms | Baseline | Closest comparable hinge pattern |
| Load Reduction | ~8% lower | Less knee bend reduces load capacity |
| Range of Motion | Hamstring-limited | Stops at stretch, not bar height |
| Execution Standard | Strict hinge only | No knee drift or shortened reps allowed |
Milestones in Stiff-Leg Deadlift Strength
Stiff-leg deadlift milestones are best tracked using bodyweight ratios, with key targets at 1.0×, 1.15×, 1.47×, and 1.85× for men, and proportionally lower thresholds for women.
| Milestone | Men (× Bodyweight) | Women (× Bodyweight) | What It Represents |
|---|---|---|---|
| Baseline Strength | 1.0× | 0.75× | Solid hinge control with consistent depth |
| Advanced Threshold | 1.15× | 0.83× | Strong position under load |
| Elite Entry | 1.47× | 1.10× | Full control at high load |
| Stretch Benchmark | 1.85× | 1.33× | Top-tier hinge strength |
Your next Barbell Stiff-Leg Deadlift milestone is the first strength-level target above your current result for your sex and exact bodyweight. Use the calculator to see the precise estimated one-rep-max gap to that target.
Strict execution determines whether these milestones are meaningful. A strict 225 lb estimated 1RM at 180 lb bodyweight equals 1.25× and reflects real progress, but if that same lifter performs 275 lb with more knee bend or shortened range, the higher number is inflated and does not represent a true milestone.
Misleading milestones usually come from changes in position. If your knees bend more or your depth shortens as the weight increases, you may reach higher numbers, but you are not progressing in the stiff-leg deadlift.
Real milestone achievement means reaching each ratio with the same hinge depth, fixed knee angle, and bar path. If those do not change as the weight increases, the milestone reflects true improvement.
Use these milestones to track your progress, then focus on reaching each level with strict form before moving to the next.
Related Tools
Use these tools to compare your stiff-leg deadlift to other hinge variations and understand how your strength changes when knee bend, balance, and total-body involvement are introduced.
- Romanian Deadlift Strength Standards — When slight knee bend is allowed, most lifters can handle more weight than in a strict stiff-leg deadlift. This comparison shows how much of your strength is limited by position versus total load capacity. Look at your Romanian deadlift standard to see how much strength you gain when the hinge is less restricted.
- Romanian Deadlift 1 Rep Max Calculator — Instead of being limited by end-range hamstring tension, this variation lets you load the hinge more aggressively. The result helps you separate position-limited strength from overall force production. Enter a recent set here to estimate your max in a less restricted hinge pattern.
- Single-Leg RDL Strength Standards — If one side is weaker or less stable, it will show up here before it limits your bilateral lifts. Differences between sides often explain why you lose position at the bottom of a stiff-leg deadlift. Test each leg to uncover imbalances that are holding your hinge strength back.
- Deadlift Strength Standards Calculator — This lift uses full knee drive and total-body force, which allows significantly higher numbers than a strict hinge. If your deadlift is much stronger than your stiff-leg deadlift, your limitation is hinge control under stretch. Compare your numbers to see whether position or total strength is your limiting factor.
- Deadlift 1 RM Calculator — This gives you your top-end pulling strength when the movement is no longer limited by hinge position or hamstring stretch. It provides a clear ceiling for how much force you can produce in a full deadlift. Calculate your max to understand your highest possible pulling output.
Use these tools together to see whether your limitation is hinge control, hamstring strength under stretch, or total-body pulling strength, then focus your training on closing that gap.