Endura

Dumbbell Step Up vs Leg Extension Strength Standards

Compare your dumbbell step-up and leg extension 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 working weight and a whole number of strict repetitions for each exercise. Pounds and kilograms can be mixed. Use controlled two-dumbbell step-ups onto one fixed platform through the lead leg with total valid reps counted across both legs and a strict bilateral leg extension on one dedicated machine with stable hips and torso, a controlled flexed-knee start, near-straight finish, and controlled return. 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.

Dumbbell Step Up vs Leg Extension Strength Standards by Bodyweight

Use these tables to compare the estimated one-rep max required for the dumbbell step-up and leg extension to reach the same strength level at each listed bodyweight. They show the targets used by the calculator—not a required difference between your dumbbell step-up and leg extension.

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 Dumbbell Step Up / Leg Extension, 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 Dumbbell Step Up vs Leg Extension Standards

How to read the table: The first number is Dumbbell Step Up; the second is Leg Extension. Each number is the lowest estimated one-rep max needed to reach that strength level. Scroll horizontally on smaller screens.

BodyweightNoviceIntermediateAdvancedElite
120 lb
54.4 kg
49 / 49 lb
22.2 / 22.2 kg
77 / 77 lb
34.9 / 34.9 kg
109 / 109 lb
49.4 / 49.4 kg
143 / 143 lb
64.9 / 64.9 kg
130 lb
59 kg
52 / 52 lb
23.6 / 23.6 kg
82 / 82 lb
37.2 / 37.2 kg
115 / 115 lb
52.2 / 52.2 kg
151 / 151 lb
68.5 / 68.5 kg
140 lb
63.5 kg
55 / 55 lb
24.9 / 24.9 kg
86 / 86 lb
39 / 39 kg
121 / 121 lb
54.9 / 54.9 kg
158 / 158 lb
71.7 / 71.7 kg
150 lb
68 kg
57 / 57 lb
25.9 / 25.9 kg
90 / 90 lb
40.8 / 40.8 kg
126 / 126 lb
57.2 / 57.2 kg
166 / 166 lb
75.3 / 75.3 kg
160 lb
72.6 kg
60 / 60 lb
27.2 / 27.2 kg
94 / 94 lb
42.6 / 42.6 kg
132 / 132 lb
59.9 / 59.9 kg
173 / 173 lb
78.5 / 78.5 kg
170 lb
77.1 kg
62 / 62 lb
28.1 / 28.1 kg
97 / 97 lb
44 / 44 kg
137 / 137 lb
62.1 / 62.1 kg
180 / 180 lb
81.6 / 81.6 kg
180 lb
81.6 kg
65 / 65 lb
29.5 / 29.5 kg
101 / 101 lb
45.8 / 45.8 kg
143 / 143 lb
64.9 / 64.9 kg
187 / 187 lb
84.8 / 84.8 kg
190 lb
86.2 kg
67 / 67 lb
30.4 / 30.4 kg
105 / 105 lb
47.6 / 47.6 kg
148 / 148 lb
67.1 / 67.1 kg
194 / 194 lb
88 / 88 kg
200 lb
90.7 kg
69 / 69 lb
31.3 / 31.3 kg
109 / 109 lb
49.4 / 49.4 kg
153 / 153 lb
69.4 / 69.4 kg
201 / 201 lb
91.2 / 91.2 kg
210 lb
95.3 kg
72 / 72 lb
32.7 / 32.7 kg
112 / 112 lb
50.8 / 50.8 kg
158 / 158 lb
71.7 / 71.7 kg
207 / 207 lb
93.9 / 93.9 kg
220 lb
99.8 kg
74 / 74 lb
33.6 / 33.6 kg
116 / 116 lb
52.6 / 52.6 kg
163 / 163 lb
73.9 / 73.9 kg
214 / 214 lb
97.1 / 97.1 kg
230 lb
104.3 kg
76 / 76 lb
34.5 / 34.5 kg
119 / 119 lb
54 / 54 kg
168 / 168 lb
76.2 / 76.2 kg
220 / 220 lb
99.8 / 99.8 kg
240 lb
108.9 kg
78 / 78 lb
35.4 / 35.4 kg
123 / 123 lb
55.8 / 55.8 kg
173 / 173 lb
78.5 / 78.5 kg
227 / 227 lb
103 / 103 kg
250 lb
113.4 kg
80 / 80 lb
36.3 / 36.3 kg
126 / 126 lb
57.2 / 57.2 kg
178 / 178 lb
80.7 / 80.7 kg
233 / 233 lb
105.7 / 105.7 kg
260 lb
117.9 kg
83 / 83 lb
37.6 / 37.6 kg
129 / 129 lb
58.5 / 58.5 kg
182 / 182 lb
82.6 / 82.6 kg
239 / 239 lb
108.4 / 108.4 kg
270 lb
122.5 kg
85 / 85 lb
38.6 / 38.6 kg
133 / 133 lb
60.3 / 60.3 kg
187 / 187 lb
84.8 / 84.8 kg
245 / 245 lb
111.1 / 111.1 kg
280 lb
127 kg
87 / 87 lb
39.5 / 39.5 kg
136 / 136 lb
61.7 / 61.7 kg
192 / 192 lb
87.1 / 87.1 kg
251 / 251 lb
113.9 / 113.9 kg
290 lb
131.5 kg
89 / 89 lb
40.4 / 40.4 kg
139 / 139 lb
63 / 63 kg
196 / 196 lb
88.9 / 88.9 kg
257 / 257 lb
116.6 / 116.6 kg
300 lb
136.1 kg
91 / 91 lb
41.3 / 41.3 kg
142 / 142 lb
64.4 / 64.4 kg
201 / 201 lb
91.2 / 91.2 kg
263 / 263 lb
119.3 / 119.3 kg

Women’s Dumbbell Step Up vs Leg Extension Standards

How to read the table: The first number is Dumbbell Step Up; the second is Leg Extension. Each number is the lowest estimated one-rep max needed to reach that strength level. Scroll horizontally on smaller screens.

BodyweightNoviceIntermediateAdvancedElite
100 lb
45.4 kg
29 / 29 lb
13.2 / 13.2 kg
46 / 46 lb
20.9 / 20.9 kg
66 / 69 lb
29.9 / 31.3 kg
89 / 89 lb
40.4 / 40.4 kg
110 lb
49.9 kg
31 / 31 lb
14.1 / 14.1 kg
49 / 49 lb
22.2 / 22.2 kg
71 / 73 lb
32.2 / 33.1 kg
95 / 95 lb
43.1 / 43.1 kg
120 lb
54.4 kg
33 / 33 lb
15 / 15 kg
52 / 52 lb
23.6 / 23.6 kg
75 / 78 lb
34 / 35.4 kg
101 / 101 lb
45.8 / 45.8 kg
130 lb
59 kg
35 / 35 lb
15.9 / 15.9 kg
55 / 55 lb
24.9 / 24.9 kg
79 / 82 lb
35.8 / 37.2 kg
106 / 106 lb
48.1 / 48.1 kg
140 lb
63.5 kg
36 / 36 lb
16.3 / 16.3 kg
57 / 57 lb
25.9 / 25.9 kg
83 / 86 lb
37.6 / 39 kg
112 / 112 lb
50.8 / 50.8 kg
150 lb
68 kg
38 / 38 lb
17.2 / 17.2 kg
60 / 60 lb
27.2 / 27.2 kg
87 / 90 lb
39.5 / 40.8 kg
117 / 117 lb
53.1 / 53.1 kg
160 lb
72.6 kg
40 / 40 lb
18.1 / 18.1 kg
63 / 63 lb
28.6 / 28.6 kg
91 / 94 lb
41.3 / 42.6 kg
122 / 122 lb
55.3 / 55.3 kg
170 lb
77.1 kg
41 / 41 lb
18.6 / 18.6 kg
65 / 65 lb
29.5 / 29.5 kg
95 / 98 lb
43.1 / 44.5 kg
127 / 127 lb
57.6 / 57.6 kg
180 lb
81.6 kg
43 / 43 lb
19.5 / 19.5 kg
68 / 68 lb
30.8 / 30.8 kg
98 / 102 lb
44.5 / 46.3 kg
132 / 132 lb
59.9 / 59.9 kg
190 lb
86.2 kg
44 / 44 lb
20 / 20 kg
70 / 70 lb
31.8 / 31.8 kg
102 / 105 lb
46.3 / 47.6 kg
137 / 137 lb
62.1 / 62.1 kg
200 lb
90.7 kg
46 / 46 lb
20.9 / 20.9 kg
73 / 73 lb
33.1 / 33.1 kg
105 / 109 lb
47.6 / 49.4 kg
142 / 142 lb
64.4 / 64.4 kg
210 lb
95.3 kg
48 / 48 lb
21.8 / 21.8 kg
75 / 75 lb
34 / 34 kg
109 / 113 lb
49.4 / 51.3 kg
146 / 146 lb
66.2 / 66.2 kg
220 lb
99.8 kg
49 / 49 lb
22.2 / 22.2 kg
77 / 77 lb
34.9 / 34.9 kg
112 / 116 lb
50.8 / 52.6 kg
151 / 151 lb
68.5 / 68.5 kg
230 lb
104.3 kg
51 / 51 lb
23.1 / 23.1 kg
80 / 80 lb
36.3 / 36.3 kg
116 / 120 lb
52.6 / 54.4 kg
156 / 156 lb
70.8 / 70.8 kg
240 lb
108.9 kg
52 / 52 lb
23.6 / 23.6 kg
82 / 82 lb
37.2 / 37.2 kg
119 / 123 lb
54 / 55.8 kg
160 / 160 lb
72.6 / 72.6 kg

How Your Dumbbell Step Up vs Leg Extension 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 dumbbell step-up strength level

The standards use the sex-specific strength levels from the individual Dumbbell Step Up 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 step up with more combined dumbbell load without requiring strength to increase pound for pound.

3. Find the leg extension strength level

The leg extension standards use the sex-specific standards from the individual Leg Extension 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 extend more displayed 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.

StageWhat happens
Estimate each maxUse the entered weight for 1 rep; for 2–12 reps, keep the lower formula result.
Rate the dumbbell step-upAdjust dumbbell step-up targets to exact bodyweight with the two-thirds rule while preserving combined dumbbell load and total reps across both legs.
Rate the leg extensionAdjust leg extension targets to exact bodyweight with the two-thirds rule.
Compare different levelsName the lower-level lift as the priority.
Compare matching levelsUse 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 Dumbbell Step Up and Leg Extension 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 leg extension standard is higher; below zero means the dumbbell step-up 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:

Novice closest match120 lb, 130 lb, 140 lb, 150 lb, 160 lb, 170 lb, 180 lb, 190 lb, 200 lb, 210 lb, 220 lb, 230 lb, 240 lb, 250 lb, 260 lb, 270 lb, 280 lb, 290 lb, and 300 lb

The dumbbell step-up and leg extension standards are within 3 lb at 120 lb, 130 lb, 140 lb, 150 lb, 160 lb, 170 lb, 180 lb, 190 lb, 200 lb, 210 lb, 220 lb, 230 lb, 240 lb, 250 lb, 260 lb, 270 lb, 280 lb, 290 lb, and 300 lb.

Standards crossNo single lift stays higher

The higher target changes by strength level or bodyweight.

Elite difference0 → 0 lb

0 → 0 kg from 120 to 300 lb bodyweight.

How men’s dumbbell step up and leg extension standards differ by bodyweightFour colored lines show the difference in pounds between the leg extension and dumbbell step-up standards at Novice, Intermediate, Advanced, and Elite. Zero means the two standards are equal. Above zero means the leg extension standard is higher. Below zero means the dumbbell step-up standard is higher.NoviceIntermediateAdvancedElite0+1120140160180200220240260280300Bodyweight (lb)Difference between standards (lb)

How to read the table: Every number is the leg extension standard minus the dumbbell step-up standard. A plus sign means the leg extension standard is higher. A minus sign means the dumbbell step-up standard is higher.

BodyweightNoviceIntermediateAdvancedElite
120 lb
54.4 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
130 lb
59 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
140 lb
63.5 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
150 lb
68 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
160 lb
72.6 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
170 lb
77.1 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
180 lb
81.6 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
190 lb
86.2 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
200 lb
90.7 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
210 lb
95.3 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
220 lb
99.8 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
230 lb
104.3 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
240 lb
108.9 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
250 lb
113.4 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
260 lb
117.9 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
270 lb
122.5 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
280 lb
127 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
290 lb
131.5 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
300 lb
136.1 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg
0 lb
0 kg

How Women’s Dumbbell Step Up and Leg Extension Standards Differ

What the women’s data shows:

Novice closest match100 lb, 110 lb, 120 lb, 130 lb, 140 lb, 150 lb, 160 lb, 170 lb, 180 lb, 190 lb, 200 lb, 210 lb, 220 lb, 230 lb, and 240 lb

The dumbbell step-up and leg extension standards are within 3 lb at 100 lb, 110 lb, 120 lb, 130 lb, 140 lb, 150 lb, 160 lb, 170 lb, 180 lb, 190 lb, 200 lb, 210 lb, 220 lb, 230 lb, and 240 lb.

Leg Extension target is higher1 strength levels

Advanced at every displayed bodyweight.

Elite difference0 → 0 lb

0 → 0 kg from 100 to 240 lb bodyweight.

How women’s dumbbell step up and leg extension standards differ by bodyweightFour colored lines show the difference in pounds between the leg extension and dumbbell step-up standards at Novice, Intermediate, Advanced, and Elite. Zero means the two standards are equal. Above zero means the leg extension standard is higher. Below zero means the dumbbell step-up standard is higher.NoviceIntermediateAdvancedElite0+1+2+3+4100120140160180200220240Bodyweight (lb)Difference between standards (lb)

How to read the table: Every number is the leg extension standard minus the dumbbell step-up standard. A plus sign means the leg extension standard is higher. A minus sign means the dumbbell step-up standard is higher.

BodyweightNoviceIntermediateAdvancedElite
100 lb
45.4 kg
0 lb
0 kg
0 lb
0 kg
+3 lb
+1.4 kg
0 lb
0 kg
110 lb
49.9 kg
0 lb
0 kg
0 lb
0 kg
+2 lb
+0.9 kg
0 lb
0 kg
120 lb
54.4 kg
0 lb
0 kg
0 lb
0 kg
+3 lb
+1.4 kg
0 lb
0 kg
130 lb
59 kg
0 lb
0 kg
0 lb
0 kg
+3 lb
+1.4 kg
0 lb
0 kg
140 lb
63.5 kg
0 lb
0 kg
0 lb
0 kg
+3 lb
+1.4 kg
0 lb
0 kg
150 lb
68 kg
0 lb
0 kg
0 lb
0 kg
+3 lb
+1.3 kg
0 lb
0 kg
160 lb
72.6 kg
0 lb
0 kg
0 lb
0 kg
+3 lb
+1.3 kg
0 lb
0 kg
170 lb
77.1 kg
0 lb
0 kg
0 lb
0 kg
+3 lb
+1.4 kg
0 lb
0 kg
180 lb
81.6 kg
0 lb
0 kg
0 lb
0 kg
+4 lb
+1.8 kg
0 lb
0 kg
190 lb
86.2 kg
0 lb
0 kg
0 lb
0 kg
+3 lb
+1.3 kg
0 lb
0 kg
200 lb
90.7 kg
0 lb
0 kg
0 lb
0 kg
+4 lb
+1.8 kg
0 lb
0 kg
210 lb
95.3 kg
0 lb
0 kg
0 lb
0 kg
+4 lb
+1.9 kg
0 lb
0 kg
220 lb
99.8 kg
0 lb
0 kg
0 lb
0 kg
+4 lb
+1.8 kg
0 lb
0 kg
230 lb
104.3 kg
0 lb
0 kg
0 lb
0 kg
+4 lb
+1.8 kg
0 lb
0 kg
240 lb
108.9 kg
0 lb
0 kg
0 lb
0 kg
+4 lb
+1.8 kg
0 lb
0 kg

Dumbbell Step Up and Leg Extension Exercises Used by This Calculator

This calculator uses a strict two-dumbbell step-up and a bilateral machine leg extension. Use strict canonical Dumbbell Step Up and Leg Extension tests. Do not mix variations, assistance, partial range, momentum, or different load conventions.

Enter both dumbbells combined and count both legs combined

Hold two dumbbells, enter their combined weight, and count total valid reps across both legs. Step to controlled standing without trailing-leg push, hand support, rebound, unstable weights, shortened range, or changed platform height.

Use a strict bilateral leg extension

Use both legs on the same dedicated machine and setup. Keep the hips, thighs, and torso stable, extend from a controlled flexed-knee start to a near-straight finish, and return under control. Do not enter per-leg load, a single-leg rep, partial pulse, bounced stack, cable or band extension, squat, or leg press.

Enter one recent Dumbbell Step Up result and one recent Leg Extension result

Enter the canonical working weight and a whole number of strict repetitions for each exercise. Pounds and kilograms can be mixed.

  • Dumbbell Step Up — View the individual Dumbbell Step Up standards and next strength-level target.
  • Leg Extension — View the individual Leg Extension standards and next strength-level target.
  • Step Up Strength Standards — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
  • Walking Lunge Strength Standards — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
  • Dumbbell Walking Lunge — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
  • Dumbbell Reverse Lunge — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
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