Single Arm Dumbbell Rear Delt Fly Strength Standards Calculator
Compare your Single Arm Dumbbell Rear Delt Fly strength with Endura's strength standards for men and women at your bodyweight. A useful benchmark for a good one-rep max is our Intermediate standard: approximately 14 lb at 190 lb for a man and 7 lb at 150 lb for a woman.
How does your best lift compare? Enter your bodyweight, the weight of one implement; follow the tool’s published side and repetition convention, and the reps you completed below. The calculator estimates your one-rep max and shows your strength level for your bodyweight. Count total valid repetitions across both arms combined; do not double-count a side.
The calculator compares that estimated one-rep max with the Single Arm Dumbbell Rear Delt Fly standards for your sex at your bodyweight. It preserves the calculator's existing equations, thresholds, and input meanings; the benchmark is a comparison target, not a working-set prescription.
Understanding Your Single Arm Dumbbell Rear Delt Fly Strength Score
Your Single Arm Dumbbell Rear Delt Fly strength score is estimated 1RM divided by bodyweight. The calculator uses the weight from entered weight is the weight of the one dumbbell moved by one arm at a time., total valid reps across both arms combined, and your bodyweight to create a bodyweight-ratio score. That ratio lets two lifters compare the same exercise without pretending that absolute weight alone tells the full story.
This result is specific to Rear Delt Fly. A counted rep should Move the dumbbell outward and back through shoulder horizontal abduction to a clear rear-delt fly top range, then lower under control to the same bottom position without rowing. A valid finish requires posterior-shoulder control without shrug-only motion, lat-row mechanics, excessive arm bend, trunk heave, or swinging.. The score is not a general label for every nearby horizontal pull exercise, and it should not be used for Two-arm Dumbbell Reverse Fly, Dumbbell Rear Delt Row, One Arm Dumbbell Row, Cable Reverse Fly, Machine Rear Delt Fly, Face Pull, Shrug reps, High-pull reps, trunk-heaved reps. Those variations may be useful training choices, but they answer a different standards question.
For example, a 200 lb male with a 22 lb estimated 1RM reaches the Advanced boundary for this calculator. A 150 lb female with a 17 lb estimated 1RM reaches the Elite boundary. The same absolute number can land in a different tier when bodyweight changes, which is why the ratio matters.
The most useful reading is practical. Beginner and Novice results usually mean the lifter should make the rep more repeatable before chasing a heavier test. Intermediate results show useful familiarity with the exercise. Advanced and Elite results show strong relative performance only when every counted rep keeps the same range, setup, and finish.
Use the score as a snapshot, then write down the rep details that made the snapshot valid. A later increase means more when the same implement, same side rule, same range, same support position, and same rep quality were used again.
Single Arm Dumbbell Rear Delt Fly Strength Standards
Single Arm Dumbbell Rear Delt Fly standards use sex-specific estimated 1RM-to-bodyweight ratios. The lookup tables below convert those ratios into practical targets at common bodyweights. Use the row nearest your bodyweight for a fast check, then use the calculator result for your exact entry.
The tables are rounded to whole pounds for readability. Tier boundaries resolve upward, so meeting the Intermediate, Advanced, or Elite boundary exactly counts as that higher tier. These standards assume entered weight is the weight of the one dumbbell moved by one arm at a time., valid reps, and no substitutions from related lifts.
Men’s Single Arm Dumbbell Rear Delt Fly Strength Standards
| Bodyweight | Novice | Intermediate | Advanced | Elite | Stretch |
|---|---|---|---|---|---|
| 120 lb | 5 lb | 8 lb | 13 lb | 19 lb+ | 26 lb |
| 130 lb | 5 lb | 9 lb | 14 lb | 21 lb+ | 29 lb |
| 140 lb | 6 lb | 10 lb | 15 lb | 22 lb+ | 31 lb |
| 150 lb | 6 lb | 11 lb | 17 lb | 24 lb+ | 33 lb |
| 160 lb | 6 lb | 11 lb | 18 lb | 26 lb+ | 35 lb |
| 170 lb | 7 lb | 12 lb | 19 lb | 27 lb+ | 37 lb |
| 180 lb | 7 lb | 13 lb | 20 lb | 29 lb+ | 40 lb |
| 190 lb | 8 lb | 13 lb | 21 lb | 30 lb+ | 42 lb |
| 200 lb | 8 lb | 14 lb | 22 lb | 32 lb+ | 44 lb |
| 210 lb | 8 lb | 15 lb | 23 lb | 34 lb+ | 46 lb |
| 220 lb | 9 lb | 15 lb | 24 lb | 35 lb+ | 48 lb |
| 230 lb | 9 lb | 16 lb | 25 lb | 37 lb+ | 51 lb |
| 240 lb | 10 lb | 17 lb | 26 lb | 38 lb+ | 53 lb |
| 250 lb | 10 lb | 18 lb | 28 lb | 40 lb+ | 55 lb |
| 260 lb | 10 lb | 18 lb | 29 lb | 42 lb+ | 57 lb |
Women’s Single Arm Dumbbell Rear Delt Fly Strength Standards
| Bodyweight | Novice | Intermediate | Advanced | Elite | Stretch |
|---|---|---|---|---|---|
| 100 lb | 3 lb | 5 lb | 8 lb | 11 lb+ | 15 lb |
| 110 lb | 3 lb | 5 lb | 8 lb | 12 lb+ | 17 lb |
| 120 lb | 3 lb | 5 lb | 9 lb | 13 lb+ | 18 lb |
| 130 lb | 3 lb | 6 lb | 10 lb | 14 lb+ | 20 lb |
| 140 lb | 4 lb | 6 lb | 11 lb | 15 lb+ | 21 lb |
| 150 lb | 4 lb | 7 lb | 11 lb | 17 lb+ | 23 lb |
| 160 lb | 4 lb | 7 lb | 12 lb | 18 lb+ | 24 lb |
| 170 lb | 4 lb | 8 lb | 13 lb | 19 lb+ | 26 lb |
| 180 lb | 5 lb | 8 lb | 14 lb | 20 lb+ | 27 lb |
| 190 lb | 5 lb | 9 lb | 14 lb | 21 lb+ | 29 lb |
| 200 lb | 5 lb | 9 lb | 15 lb | 22 lb+ | 30 lb |
| 210 lb | 5 lb | 9 lb | 16 lb | 23 lb+ | 32 lb |
| 220 lb | 6 lb | 10 lb | 17 lb | 24 lb+ | 33 lb |
Men: Beginner is below 0.040x, Novice begins at 0.040x, Intermediate begins at 0.070x, Advanced begins at 0.110x, Elite begins at 0.160x, and Stretch is 0.220x bodyweight. Women: Beginner is below 0.025x, Novice begins at 0.025x, Intermediate begins at 0.045x, Advanced begins at 0.075x, Elite begins at 0.110x, and Stretch is 0.150x bodyweight.
At 200 lb bodyweight, a male lifter needs about 22 lb for Advanced and 32 lb for Elite. At 150 lb bodyweight, a female lifter needs about 11 lb for Advanced and 17 lb for Elite. Treat those as standards for this exact exercise, not as claims about sport ranking or another lift.
How the Single Arm Dumbbell Rear Delt Fly Calculator Works
The calculator takes sex, bodyweight, working weight, and reps. A one-rep entry uses that weight directly as estimated 1RM. A multi-rep entry estimates 1RM from the set first, then divides the estimate by bodyweight and compares the ratio with the selected sex table.
Ratio equals estimated 1RM divided by bodyweight. If a lifter at 200 lb bodyweight records a 22 lb estimated 1RM, the ratio is near 0.110x and reaches Advanced. If bodyweight rises while the estimated 1RM stays the same, the ratio falls and the tier can change.
Use one unit family for bodyweight and working weight. Pounds and kilograms both work because the calculator normalizes the math internally. What matters most is that the entered set uses entered weight is the weight of the one dumbbell moved by one arm at a time. and total valid reps across both arms combined that meet the accepted rule.
Multi-rep entries are best when the rep count is challenging but honest. Very high-rep sets can make estimates less precise, especially when fatigue changes range or finish quality. For a standards test, choose a set where the last valid rep still looks like the first valid rep.
The calculator does not add age, sport, equipment-brand, or technique-style multipliers. It answers the specific Single Arm Dumbbell Rear Delt Fly question described here, using the same bodyweight-ratio logic as the rest of the standards system.
Elite Single Arm Dumbbell Rear Delt Fly Strength Levels
At this level, the estimate should come from repeatable, side-matched reps rather than a single loose set where balance, range, or dumbbell path drifts.
Elite Single Arm Dumbbell Rear Delt Fly strength starts at 0.160x bodyweight for men and 0.110x bodyweight for women. Stretch benchmarks are 0.220x for men and 0.150x for women, marking unusually strong results inside this standards system.
At 200 lb bodyweight, Elite begins around 32 lb for men. At 150 lb bodyweight, Elite begins around 17 lb for women. Those numbers are impressive only when the entry still reflects entered weight is the weight of the one dumbbell moved by one arm at a time., total valid reps across both arms combined, and the accepted rep.
Elite lifters should audit reps more strictly, not less. Heavier attempts often tempt shortened range, changed support, body English, or a nearby variation. A bigger number that changes the exercise does not prove a stronger Rear Delt Fly.
Video is useful at this tier. Side or three-quarter view can show range, start position, path, and finish quality. Review the footage before entering a max set so the calculator records what actually happened.
Training at this level usually alternates clean heavy singles, moderate technical work, and targeted assistance. The goal is to make the strict rep durable rather than turn every session into a max attempt.
Single Arm Dumbbell Rear Delt Fly Strength Compared to Other Lifts
Comparisons are useful because they explain why standards differ. Single Arm Dumbbell Rear Delt Fly sits near related movements, but the ratios should not be copied because the implement, support, range, path, and finish rule are specific to this calculator. A press, row, raise, squat, curl, extension, or dumbbell benchmark may look close on the training plan while measuring a different joint angle or support problem.
| Related movement | Comparison purpose | What the gap can reveal |
|---|---|---|
| Machine Reverse Fly | closest neighboring standard | A higher Rear Delt Fly score can show skill in this exact stance, shoulder position, and range, while a lower score points to the constraint this calculator isolates. |
| Dumbbell Lateral Raise | same family contrast | If the related lift is far ahead, the limiting factor is often depth, trunk brace, grip security, or strict finish quality here. |
| Machine Lateral Raise | equipment and grip contrast | If this score is far ahead, confirm the set did not drift into a disallowed variation with a different path, hip position, or lockout rule. |
| Dumbbell Front Raise | range, depth, and shoulder-control comparison | The comparison is useful because the bodyweight-ratio math is shared while the accepted rep uses different range, support, and tempo demands. |
| Standing Dumbbell Overhead Press | heavier strength ceiling with different stance demands | A similar result can suggest balanced development, but the stance, shoulder angle, grip, and finish still keep the entries separate. |
| Dumbbell Bench Press | technique transfer check for trunk and hip control | Use the gap to choose training work for the first visible breakdown: depth, path, trunk control, shoulder stability, or weaker-side range. |
If a related lift is much stronger, look for the one constraint unique to Rear Delt Fly: range, support position, grip, bracing, or finish control. If Rear Delt Fly is much stronger, confirm that the set did not become one of the disallowed variations.
The goal is not to make all badges match. The goal is to identify whether the difference comes from true strength, a technical bottleneck, or a substituted movement that only looks similar on paper.
Milestones in Single Arm Dumbbell Rear Delt Fly Strength
Milestones turn tier ratios into training targets. They are most useful when they are tied to bodyweight and rep quality instead of vague goals such as strong or heavy.
| Milestone | Example target | Why it matters | Next focus |
|---|---|---|---|
| First valid strict single arm dumbbell rear delt fly rep | 3 to 5 clean reps at a repeatable training weight | Shows the lifter can follow the accepted rule before a max test | Keep setup identical across sets |
| Novice boundary | Men near 8 lb; women near 4 lb | Creates a first bodyweight-ratio benchmark | Build range and control |
| Intermediate boundary | Men near 14 lb; women near 7 lb | Shows the lift is no longer just familiar | Address the main limiter |
| Advanced boundary | Men near 22 lb; women near 11 lb | Marks strong relative performance for this exercise | Use smaller jumps and more video review |
| Elite boundary | Men near 32 lb; women near 17 lb | Shows high-level strength in the exact standard | Protect strict rep quality |
| Stretch benchmark | Men near 44 lb; women near 23 lb | Represents an unusually strong score in this calculator | Retest sparingly and recover well |
| Five-rep practice target | Use a set that estimates near 14 lb for a 200 lb male or 7 lb for a 150 lb female | Builds a cleaner estimate before a heavier test | Keep every rep visually identical |
| Ten percent improvement target | Move a 14 lb estimate toward 15 lb, or a 7 lb estimate toward 7 lb | Gives a concrete block goal without requiring a new tier | Retest only when the same rule survives |
Milestones should never override the accepted rep. A lifter who reaches the Advanced number with a substituted movement has not reached the Advanced Single Arm Dumbbell Rear Delt Fly milestone. A lifter who barely misses with excellent reps is often closer to durable progress than the badge alone suggests.
Related Strength Standards Tools
Related tools place Single Arm Dumbbell Rear Delt Fly inside a broader strength map. They help explain why a lifter may be strong in one nearby movement and average in another. They are not substitutions, and their scores should stay separate from the current calculator.
- Machine Reverse Fly is the closest neighboring benchmark for many lifters, but the accepted range and finishing rule stay separate from Single Arm Dumbbell Rear Delt Fly. Compare it after a clean Rear Delt Fly test to see whether this exact setup is the limiter.
- Dumbbell Lateral Raise gives a same-family contrast where equipment and support can change the result quickly. A gap often points to grip, range, bracing, or skill rather than one universal strength ceiling.
- Machine Lateral Raise is useful when the current score feels surprising. Check it only after the Rear Delt Fly reps are valid, then use the difference to choose assistance work.
- Dumbbell Front Raise can show whether a heavier-looking movement is actually testing a different constraint. Keep the entries separate so a substituted rep does not inflate this calculator.
- Standing Dumbbell Overhead Press helps frame broader strength without replacing the Single Arm Dumbbell Rear Delt Fly standard. If it is far ahead, audit the exact range and finish required here.
- Dumbbell Bench Press offers a technique-transfer check. Similar tiers suggest balanced development, while different tiers can reveal where the path, support, or rep count breaks down.
- Farmers Walk belongs in the comparison set because the name may sound close while the accepted rep is not identical. Use the tool as context, not as a replacement entry.
- Dumbbell Side Bend gives another bodyweight-ratio lens for the same training neighborhood. The most useful note is why the gap exists: range, depth, path, bracing, or control.
Use these tools after you have a valid Rear Delt Fly result. If the comparison changes your interpretation, write down the likely reason: range, grip, path, support, bracing, lockout, depth, or control. That note is often more useful than the badge alone.