Endura

Arnold Press vs Dumbbell Z Press Strength Standards

Compare your arnold press and dumbbell z press 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: Weight per dumbbell for Arnold Press and Weight used for Dumbbell Z Press. Use a strict, repeatable arnold press set that follows the canonical setup, range, and lockout rules and the combined weight of both dumbbells pressed from the floor-seated position. 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.

Arnold Press vs Dumbbell Z Press Strength Standards by Bodyweight

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

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 Arnold Press / Dumbbell Z Press, 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 Arnold Press vs Dumbbell Z Press Standards

How to read the table: The first number is Arnold Press; the second is Dumbbell Z Press. 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
38 / 39 lb
17.2 / 17.7 kg
50 / 59 lb
22.7 / 26.8 kg
64 / 81 lb
29 / 36.7 kg
87 / 106 lb
39.5 / 48.1 kg
130 lb
59 kg
40 / 41 lb
18.1 / 18.6 kg
53 / 62 lb
24 / 28.1 kg
68 / 85 lb
30.8 / 38.6 kg
92 / 112 lb
41.7 / 50.8 kg
140 lb
63.5 kg
42 / 43 lb
19.1 / 19.5 kg
55 / 65 lb
24.9 / 29.5 kg
71 / 90 lb
32.2 / 40.8 kg
96 / 117 lb
43.5 / 53.1 kg
150 lb
68 kg
44 / 45 lb
20 / 20.4 kg
58 / 68 lb
26.3 / 30.8 kg
74 / 94 lb
33.6 / 42.6 kg
101 / 123 lb
45.8 / 55.8 kg
160 lb
72.6 kg
45 / 47 lb
20.4 / 21.3 kg
61 / 71 lb
27.7 / 32.2 kg
78 / 98 lb
35.4 / 44.5 kg
105 / 128 lb
47.6 / 58.1 kg
170 lb
77.1 kg
47 / 49 lb
21.3 / 22.2 kg
63 / 74 lb
28.6 / 33.6 kg
81 / 102 lb
36.7 / 46.3 kg
110 / 134 lb
49.9 / 60.8 kg
180 lb
81.6 kg
49 / 51 lb
22.2 / 23.1 kg
66 / 77 lb
29.9 / 34.9 kg
84 / 106 lb
38.1 / 48.1 kg
114 / 139 lb
51.7 / 63 kg
190 lb
86.2 kg
51 / 53 lb
23.1 / 24 kg
68 / 80 lb
30.8 / 36.3 kg
87 / 110 lb
39.5 / 49.9 kg
118 / 144 lb
53.5 / 65.3 kg
200 lb
90.7 kg
53 / 55 lb
24 / 24.9 kg
70 / 83 lb
31.8 / 37.6 kg
90 / 114 lb
40.8 / 51.7 kg
122 / 149 lb
55.3 / 67.6 kg
210 lb
95.3 kg
55 / 57 lb
24.9 / 25.9 kg
73 / 86 lb
33.1 / 39 kg
93 / 118 lb
42.2 / 53.5 kg
126 / 154 lb
57.2 / 69.9 kg
220 lb
99.8 kg
56 / 58 lb
25.4 / 26.3 kg
75 / 88 lb
34 / 39.9 kg
96 / 121 lb
43.5 / 54.9 kg
130 / 159 lb
59 / 72.1 kg
230 lb
104.3 kg
58 / 60 lb
26.3 / 27.2 kg
77 / 91 lb
34.9 / 41.3 kg
99 / 125 lb
44.9 / 56.7 kg
134 / 164 lb
60.8 / 74.4 kg
240 lb
108.9 kg
60 / 62 lb
27.2 / 28.1 kg
79 / 93 lb
35.8 / 42.2 kg
102 / 129 lb
46.3 / 58.5 kg
138 / 168 lb
62.6 / 76.2 kg
250 lb
113.4 kg
61 / 64 lb
27.7 / 29 kg
82 / 96 lb
37.2 / 43.5 kg
104 / 132 lb
47.2 / 59.9 kg
142 / 173 lb
64.4 / 78.5 kg
260 lb
117.9 kg
63 / 65 lb
28.6 / 29.5 kg
84 / 99 lb
38.1 / 44.9 kg
107 / 136 lb
48.5 / 61.7 kg
145 / 177 lb
65.8 / 80.3 kg
270 lb
122.5 kg
64 / 67 lb
29 / 30.4 kg
86 / 101 lb
39 / 45.8 kg
110 / 139 lb
49.9 / 63 kg
149 / 182 lb
67.6 / 82.6 kg
280 lb
127 kg
66 / 69 lb
29.9 / 31.3 kg
88 / 104 lb
39.9 / 47.2 kg
113 / 142 lb
51.3 / 64.4 kg
153 / 186 lb
69.4 / 84.4 kg
290 lb
131.5 kg
68 / 70 lb
30.8 / 31.8 kg
90 / 106 lb
40.8 / 48.1 kg
115 / 146 lb
52.2 / 66.2 kg
156 / 191 lb
70.8 / 86.6 kg
300 lb
136.1 kg
69 / 72 lb
31.3 / 32.7 kg
92 / 108 lb
41.7 / 49 kg
118 / 149 lb
53.5 / 67.6 kg
160 / 195 lb
72.6 / 88.5 kg

Women’s Arnold Press vs Dumbbell Z Press Standards

How to read the table: The first number is Arnold Press; the second is Dumbbell Z Press. 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
16 / 21 lb
7.3 / 9.5 kg
25 / 32 lb
11.3 / 14.5 kg
32 / 46 lb
14.5 / 20.9 kg
46 / 62 lb
20.9 / 28.1 kg
110 lb
49.9 kg
17 / 22 lb
7.7 / 10 kg
27 / 34 lb
12.2 / 15.4 kg
34 / 49 lb
15.4 / 22.2 kg
49 / 66 lb
22.2 / 29.9 kg
120 lb
54.4 kg
18 / 23 lb
8.2 / 10.4 kg
28 / 36 lb
12.7 / 16.3 kg
36 / 52 lb
16.3 / 23.6 kg
52 / 70 lb
23.6 / 31.8 kg
130 lb
59 kg
19 / 25 lb
8.6 / 11.3 kg
30 / 38 lb
13.6 / 17.2 kg
38 / 55 lb
17.2 / 24.9 kg
55 / 74 lb
24.9 / 33.6 kg
140 lb
63.5 kg
20 / 26 lb
9.1 / 11.8 kg
32 / 40 lb
14.5 / 18.1 kg
40 / 57 lb
18.1 / 25.9 kg
57 / 77 lb
25.9 / 34.9 kg
150 lb
68 kg
21 / 27 lb
9.5 / 12.2 kg
33 / 42 lb
15 / 19.1 kg
42 / 60 lb
19.1 / 27.2 kg
60 / 81 lb
27.2 / 36.7 kg
160 lb
72.6 kg
22 / 28 lb
10 / 12.7 kg
34 / 44 lb
15.4 / 20 kg
44 / 63 lb
20 / 28.6 kg
63 / 85 lb
28.6 / 38.6 kg
170 lb
77.1 kg
23 / 29 lb
10.4 / 13.2 kg
36 / 46 lb
16.3 / 20.9 kg
46 / 65 lb
20.9 / 29.5 kg
65 / 88 lb
29.5 / 39.9 kg
180 lb
81.6 kg
24 / 30 lb
10.9 / 13.6 kg
37 / 47 lb
16.8 / 21.3 kg
47 / 68 lb
21.3 / 30.8 kg
68 / 91 lb
30.8 / 41.3 kg
190 lb
86.2 kg
25 / 32 lb
11.3 / 14.5 kg
39 / 49 lb
17.7 / 22.2 kg
49 / 70 lb
22.2 / 31.8 kg
70 / 95 lb
31.8 / 43.1 kg
200 lb
90.7 kg
25 / 33 lb
11.3 / 15 kg
40 / 51 lb
18.1 / 23.1 kg
51 / 73 lb
23.1 / 33.1 kg
73 / 98 lb
33.1 / 44.5 kg
210 lb
95.3 kg
26 / 34 lb
11.8 / 15.4 kg
41 / 53 lb
18.6 / 24 kg
53 / 75 lb
24 / 34 kg
75 / 101 lb
34 / 45.8 kg
220 lb
99.8 kg
27 / 35 lb
12.2 / 15.9 kg
43 / 54 lb
19.5 / 24.5 kg
54 / 77 lb
24.5 / 34.9 kg
77 / 105 lb
34.9 / 47.6 kg
230 lb
104.3 kg
28 / 36 lb
12.7 / 16.3 kg
44 / 56 lb
20 / 25.4 kg
56 / 80 lb
25.4 / 36.3 kg
80 / 108 lb
36.3 / 49 kg
240 lb
108.9 kg
29 / 37 lb
13.2 / 16.8 kg
45 / 57 lb
20.4 / 25.9 kg
57 / 82 lb
25.9 / 37.2 kg
82 / 111 lb
37.2 / 50.3 kg

How Your Arnold Press vs Dumbbell Z Press 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 arnold press strength level

The standards use the sex-specific targets from the individual Arnold Press 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 dumbbell z press strength level

The standards use the sex-specific thresholds from the individual Dumbbell Z Press 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 larger lifters are expected to lift more 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 arnold pressAdjust arnold press targets to exact bodyweight with the two-thirds rule.
Rate the dumbbell z pressUse the canonical estimated max and adjust targets to exact bodyweight with the approved 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 Arnold Press and Dumbbell Z Press 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 dumbbell z press standard is higher; below zero means the arnold press 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 arnold press and dumbbell z press 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.

Dumbbell Z Press target is higher4 strength levels

Novice, Intermediate, Advanced, and Elite at every displayed bodyweight.

Elite difference19 → 35 lb

8.6 → 15.9 kg from 120 to 300 lb bodyweight.

How men’s arnold press and dumbbell z press standards differ by bodyweightFour colored lines show the difference in pounds between the dumbbell z press and arnold press standards at Novice, Intermediate, Advanced, and Elite. Zero means the two standards are equal. Above zero means the dumbbell z press standard is higher. Below zero means the arnold press standard is higher.NoviceIntermediateAdvancedElite0+10+20+30+40120140160180200220240260280300Bodyweight (lb)Difference between standards (lb)

How to read the table: Every number is the dumbbell z press standard minus the arnold press standard. A plus sign means the dumbbell z press standard is higher. A minus sign means the arnold press standard is higher.

BodyweightNoviceIntermediateAdvancedElite
120 lb
54.4 kg
+1 lb
+0.5 kg
+9 lb
+4.1 kg
+17 lb
+7.7 kg
+19 lb
+8.6 kg
130 lb
59 kg
+1 lb
+0.5 kg
+9 lb
+4.1 kg
+17 lb
+7.8 kg
+20 lb
+9.1 kg
140 lb
63.5 kg
+1 lb
+0.4 kg
+10 lb
+4.6 kg
+19 lb
+8.6 kg
+21 lb
+9.6 kg
150 lb
68 kg
+1 lb
+0.4 kg
+10 lb
+4.5 kg
+20 lb
+9 kg
+22 lb
+10 kg
160 lb
72.6 kg
+2 lb
+0.9 kg
+10 lb
+4.5 kg
+20 lb
+9.1 kg
+23 lb
+10.5 kg
170 lb
77.1 kg
+2 lb
+0.9 kg
+11 lb
+5 kg
+21 lb
+9.6 kg
+24 lb
+10.9 kg
180 lb
81.6 kg
+2 lb
+0.9 kg
+11 lb
+5 kg
+22 lb
+10 kg
+25 lb
+11.3 kg
190 lb
86.2 kg
+2 lb
+0.9 kg
+12 lb
+5.5 kg
+23 lb
+10.4 kg
+26 lb
+11.8 kg
200 lb
90.7 kg
+2 lb
+0.9 kg
+13 lb
+5.8 kg
+24 lb
+10.9 kg
+27 lb
+12.3 kg
210 lb
95.3 kg
+2 lb
+1 kg
+13 lb
+5.9 kg
+25 lb
+11.3 kg
+28 lb
+12.7 kg
220 lb
99.8 kg
+2 lb
+0.9 kg
+13 lb
+5.9 kg
+25 lb
+11.4 kg
+29 lb
+13.1 kg
230 lb
104.3 kg
+2 lb
+0.9 kg
+14 lb
+6.4 kg
+26 lb
+11.8 kg
+30 lb
+13.6 kg
240 lb
108.9 kg
+2 lb
+0.9 kg
+14 lb
+6.4 kg
+27 lb
+12.2 kg
+30 lb
+13.6 kg
250 lb
113.4 kg
+3 lb
+1.3 kg
+14 lb
+6.3 kg
+28 lb
+12.7 kg
+31 lb
+14.1 kg
260 lb
117.9 kg
+2 lb
+0.9 kg
+15 lb
+6.8 kg
+29 lb
+13.2 kg
+32 lb
+14.5 kg
270 lb
122.5 kg
+3 lb
+1.4 kg
+15 lb
+6.8 kg
+29 lb
+13.1 kg
+33 lb
+15 kg
280 lb
127 kg
+3 lb
+1.4 kg
+16 lb
+7.3 kg
+29 lb
+13.1 kg
+33 lb
+15 kg
290 lb
131.5 kg
+2 lb
+1 kg
+16 lb
+7.3 kg
+31 lb
+14 kg
+35 lb
+15.8 kg
300 lb
136.1 kg
+3 lb
+1.4 kg
+16 lb
+7.3 kg
+31 lb
+14.1 kg
+35 lb
+15.9 kg

How Women’s Arnold Press and Dumbbell Z Press Standards Differ

What the women’s data shows:

Novice closest match100 lb

The standards come closest at 100 lb.

Dumbbell Z Press target is higher4 strength levels

Novice, Intermediate, Advanced, and Elite at every displayed bodyweight.

Elite difference16 → 29 lb

7.2 → 13.1 kg from 100 to 240 lb bodyweight.

How women’s arnold press and dumbbell z press standards differ by bodyweightFour colored lines show the difference in pounds between the dumbbell z press and arnold press standards at Novice, Intermediate, Advanced, and Elite. Zero means the two standards are equal. Above zero means the dumbbell z press standard is higher. Below zero means the arnold press standard is higher.NoviceIntermediateAdvancedElite0+10+20+30100120140160180200220240Bodyweight (lb)Difference between standards (lb)

How to read the table: Every number is the dumbbell z press standard minus the arnold press standard. A plus sign means the dumbbell z press standard is higher. A minus sign means the arnold press standard is higher.

BodyweightNoviceIntermediateAdvancedElite
100 lb
45.4 kg
+5 lb
+2.2 kg
+7 lb
+3.2 kg
+14 lb
+6.4 kg
+16 lb
+7.2 kg
110 lb
49.9 kg
+5 lb
+2.3 kg
+7 lb
+3.2 kg
+15 lb
+6.8 kg
+17 lb
+7.7 kg
120 lb
54.4 kg
+5 lb
+2.2 kg
+8 lb
+3.6 kg
+16 lb
+7.3 kg
+18 lb
+8.2 kg
130 lb
59 kg
+6 lb
+2.7 kg
+8 lb
+3.6 kg
+17 lb
+7.7 kg
+19 lb
+8.7 kg
140 lb
63.5 kg
+6 lb
+2.7 kg
+8 lb
+3.6 kg
+17 lb
+7.8 kg
+20 lb
+9 kg
150 lb
68 kg
+6 lb
+2.7 kg
+9 lb
+4.1 kg
+18 lb
+8.1 kg
+21 lb
+9.5 kg
160 lb
72.6 kg
+6 lb
+2.7 kg
+10 lb
+4.6 kg
+19 lb
+8.6 kg
+22 lb
+10 kg
170 lb
77.1 kg
+6 lb
+2.8 kg
+10 lb
+4.6 kg
+19 lb
+8.6 kg
+23 lb
+10.4 kg
180 lb
81.6 kg
+6 lb
+2.7 kg
+10 lb
+4.5 kg
+21 lb
+9.5 kg
+23 lb
+10.5 kg
190 lb
86.2 kg
+7 lb
+3.2 kg
+10 lb
+4.5 kg
+21 lb
+9.6 kg
+25 lb
+11.3 kg
200 lb
90.7 kg
+8 lb
+3.7 kg
+11 lb
+5 kg
+22 lb
+10 kg
+25 lb
+11.4 kg
210 lb
95.3 kg
+8 lb
+3.6 kg
+12 lb
+5.4 kg
+22 lb
+10 kg
+26 lb
+11.8 kg
220 lb
99.8 kg
+8 lb
+3.7 kg
+11 lb
+5 kg
+23 lb
+10.4 kg
+28 lb
+12.7 kg
230 lb
104.3 kg
+8 lb
+3.6 kg
+12 lb
+5.4 kg
+24 lb
+10.9 kg
+28 lb
+12.7 kg
240 lb
108.9 kg
+8 lb
+3.6 kg
+12 lb
+5.5 kg
+25 lb
+11.3 kg
+29 lb
+13.1 kg

Arnold Press and Dumbbell Z Press Exercises Used by This Calculator

This calculator uses a strict arnold press and a strict dumbbell z press test. Use strict canonical Arnold Press and Dumbbell Z Press tests. Do not mix variations, assistance, partial range, momentum, or different load conventions.

Use a strict, repeatable Arnold Press

Strict seated bilateral Arnold Press Enter the weight of one dumbbell, not the combined pair Matched dumbbells move together through every counted rep Start in front of the shoulders or upper chest with palms facing the lifter or mostly inward Press and rotate through a visible Arnold Press path Reach controlled overhead lockout with both elbows extended Enter weight per dumbbell. Keep the same equipment and setup when retesting.

Use the canonical Dumbbell Z Press setup and load convention

the combined weight of both dumbbells pressed from the floor-seated position strict paired-dumbbell Z press reps press both dumbbells overhead from a floor-seated position, keep the trunk tall, lock out under control, and avoid leaning back, wall support, leg drive, or bounced reps Consistent setup, range, and finish quality across the entered set No substituted exercise or assisted reps

Enter one recent Arnold Press result and one recent Dumbbell Z Press result

Use each exercise’s canonical input: Weight per dumbbell for Arnold Press and Weight used for Dumbbell Z Press.

  • Arnold Press — View the individual Arnold Press standards and next strength-level target.
  • Dumbbell Z Press — View the individual Dumbbell Z Press standards and next strength-level target.
  • Seated Dumbbell Overhead Press — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
  • Standing Dumbbell Overhead Press — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
  • Seated Barbell Overhead Press — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
  • Standing Strict Barbell Overhead Press — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
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