Endura

Barbell Preacher Curl vs Barbell Curl Strength Standards

Compare your barbell preacher curl and barbell curl 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.

For Barbell Preacher Curl, enter total barbell weight. For Barbell Curl, enter total barbell weight. Use a strict, repeatable barbell preacher curl set that follows the canonical setup, range, and lockout rules and a strict, repeatable barbell curl strict set that follows the canonical setup, range, and lockout rules. 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.

Barbell Preacher Curl vs Barbell Curl Strength Standards by Bodyweight

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

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 Barbell Preacher Curl / Barbell Curl, 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 Barbell Preacher Curl vs Barbell Curl Standards

How to read the table: The first number is Barbell Preacher Curl; the second is Barbell Curl. 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
35 / 42 lb
15.9 / 19.1 kg
53 / 63 lb
24 / 28.6 kg
77 / 91 lb
34.9 / 41.3 kg
101 / 119 lb
45.8 / 54 kg
130 lb
59 kg
37 / 44 lb
16.8 / 20 kg
56 / 67 lb
25.4 / 30.4 kg
82 / 96 lb
37.2 / 43.5 kg
106 / 126 lb
48.1 / 57.2 kg
140 lb
63.5 kg
39 / 47 lb
17.7 / 21.3 kg
59 / 70 lb
26.8 / 31.8 kg
86 / 101 lb
39 / 45.8 kg
112 / 132 lb
50.8 / 59.9 kg
150 lb
68 kg
41 / 49 lb
18.6 / 22.2 kg
62 / 73 lb
28.1 / 33.1 kg
90 / 106 lb
40.8 / 48.1 kg
117 / 138 lb
53.1 / 62.6 kg
160 lb
72.6 kg
43 / 51 lb
19.5 / 23.1 kg
64 / 77 lb
29 / 34.9 kg
94 / 111 lb
42.6 / 50.3 kg
122 / 144 lb
55.3 / 65.3 kg
170 lb
77.1 kg
45 / 53 lb
20.4 / 24 kg
67 / 80 lb
30.4 / 36.3 kg
97 / 115 lb
44 / 52.2 kg
127 / 150 lb
57.6 / 68 kg
180 lb
81.6 kg
46 / 55 lb
20.9 / 24.9 kg
69 / 83 lb
31.3 / 37.6 kg
101 / 120 lb
45.8 / 54.4 kg
132 / 156 lb
59.9 / 70.8 kg
190 lb
86.2 kg
48 / 57 lb
21.8 / 25.9 kg
72 / 86 lb
32.7 / 39 kg
105 / 124 lb
47.6 / 56.2 kg
137 / 162 lb
62.1 / 73.5 kg
200 lb
90.7 kg
50 / 59 lb
22.7 / 26.8 kg
75 / 89 lb
34 / 40.4 kg
109 / 128 lb
49.4 / 58.1 kg
142 / 168 lb
64.4 / 76.2 kg
210 lb
95.3 kg
51 / 61 lb
23.1 / 27.7 kg
77 / 92 lb
34.9 / 41.7 kg
112 / 133 lb
50.8 / 60.3 kg
146 / 173 lb
66.2 / 78.5 kg
220 lb
99.8 kg
53 / 63 lb
24 / 28.6 kg
79 / 95 lb
35.8 / 43.1 kg
116 / 137 lb
52.6 / 62.1 kg
151 / 179 lb
68.5 / 81.2 kg
230 lb
104.3 kg
55 / 65 lb
24.9 / 29.5 kg
82 / 98 lb
37.2 / 44.5 kg
119 / 141 lb
54 / 64 kg
156 / 184 lb
70.8 / 83.5 kg
240 lb
108.9 kg
56 / 67 lb
25.4 / 30.4 kg
84 / 100 lb
38.1 / 45.4 kg
123 / 145 lb
55.8 / 65.8 kg
160 / 189 lb
72.6 / 85.7 kg
250 lb
113.4 kg
58 / 68 lb
26.3 / 30.8 kg
86 / 103 lb
39 / 46.7 kg
126 / 149 lb
57.2 / 67.6 kg
165 / 195 lb
74.8 / 88.5 kg
260 lb
117.9 kg
59 / 70 lb
26.8 / 31.8 kg
89 / 106 lb
40.4 / 48.1 kg
129 / 153 lb
58.5 / 69.4 kg
169 / 200 lb
76.7 / 90.7 kg
270 lb
122.5 kg
61 / 72 lb
27.7 / 32.7 kg
91 / 109 lb
41.3 / 49.4 kg
133 / 157 lb
60.3 / 71.2 kg
173 / 205 lb
78.5 / 93 kg
280 lb
127 kg
62 / 74 lb
28.1 / 33.6 kg
93 / 111 lb
42.2 / 50.3 kg
136 / 161 lb
61.7 / 73 kg
177 / 210 lb
80.3 / 95.3 kg
290 lb
131.5 kg
64 / 76 lb
29 / 34.5 kg
95 / 114 lb
43.1 / 51.7 kg
139 / 164 lb
63 / 74.4 kg
182 / 215 lb
82.6 / 97.5 kg
300 lb
136.1 kg
65 / 77 lb
29.5 / 34.9 kg
98 / 117 lb
44.5 / 53.1 kg
142 / 168 lb
64.4 / 76.2 kg
186 / 220 lb
84.4 / 99.8 kg

Women’s Barbell Preacher Curl vs Barbell Curl Standards

How to read the table: The first number is Barbell Preacher Curl; the second is Barbell Curl. 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
20 / 23 lb
9.1 / 10.4 kg
34 / 40 lb
15.4 / 18.1 kg
50 / 57 lb
22.7 / 25.9 kg
69 / 80 lb
31.3 / 36.3 kg
110 lb
49.9 kg
21 / 24 lb
9.5 / 10.9 kg
37 / 43 lb
16.8 / 19.5 kg
53 / 61 lb
24 / 27.7 kg
73 / 85 lb
33.1 / 38.6 kg
120 lb
54.4 kg
22 / 26 lb
10 / 11.8 kg
39 / 46 lb
17.7 / 20.9 kg
56 / 65 lb
25.4 / 29.5 kg
78 / 90 lb
35.4 / 40.8 kg
130 lb
59 kg
24 / 27 lb
10.9 / 12.2 kg
41 / 48 lb
18.6 / 21.8 kg
59 / 68 lb
26.8 / 30.8 kg
82 / 95 lb
37.2 / 43.1 kg
140 lb
63.5 kg
25 / 29 lb
11.3 / 13.2 kg
43 / 51 lb
19.5 / 23.1 kg
62 / 72 lb
28.1 / 32.7 kg
86 / 100 lb
39 / 45.4 kg
150 lb
68 kg
26 / 30 lb
11.8 / 13.6 kg
45 / 53 lb
20.4 / 24 kg
65 / 75 lb
29.5 / 34 kg
90 / 105 lb
40.8 / 47.6 kg
160 lb
72.6 kg
27 / 31 lb
12.2 / 14.1 kg
47 / 55 lb
21.3 / 24.9 kg
68 / 78 lb
30.8 / 35.4 kg
94 / 110 lb
42.6 / 49.9 kg
170 lb
77.1 kg
28 / 33 lb
12.7 / 15 kg
49 / 58 lb
22.2 / 26.3 kg
71 / 82 lb
32.2 / 37.2 kg
98 / 114 lb
44.5 / 51.7 kg
180 lb
81.6 kg
29 / 34 lb
13.2 / 15.4 kg
51 / 60 lb
23.1 / 27.2 kg
73 / 85 lb
33.1 / 38.6 kg
102 / 119 lb
46.3 / 54 kg
190 lb
86.2 kg
30 / 35 lb
13.6 / 15.9 kg
53 / 62 lb
24 / 28.1 kg
76 / 88 lb
34.5 / 39.9 kg
105 / 123 lb
47.6 / 55.8 kg
200 lb
90.7 kg
31 / 36 lb
14.1 / 16.3 kg
55 / 64 lb
24.9 / 29 kg
79 / 91 lb
35.8 / 41.3 kg
109 / 127 lb
49.4 / 57.6 kg
210 lb
95.3 kg
33 / 38 lb
15 / 17.2 kg
56 / 66 lb
25.4 / 29.9 kg
81 / 94 lb
36.7 / 42.6 kg
113 / 131 lb
51.3 / 59.4 kg
220 lb
99.8 kg
34 / 39 lb
15.4 / 17.7 kg
58 / 68 lb
26.3 / 30.8 kg
84 / 97 lb
38.1 / 44 kg
116 / 136 lb
52.6 / 61.7 kg
230 lb
104.3 kg
35 / 40 lb
15.9 / 18.1 kg
60 / 70 lb
27.2 / 31.8 kg
86 / 100 lb
39 / 45.4 kg
120 / 140 lb
54.4 / 63.5 kg
240 lb
108.9 kg
36 / 41 lb
16.3 / 18.6 kg
62 / 73 lb
28.1 / 33.1 kg
89 / 103 lb
40.4 / 46.7 kg
123 / 144 lb
55.8 / 65.3 kg

How Your Barbell Preacher Curl vs Barbell Curl 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 barbell preacher curl strength level

The standards use the sex-specific targets from the individual Barbell Preacher Curl 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 barbell curl strength level

The standards use the sex-specific targets from the individual Barbell Curl (Strict) 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.

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 barbell preacher curlAdjust barbell preacher curl targets to exact bodyweight with the two-thirds rule.
Rate the barbell curl strictAdjust barbell curl strict 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 Barbell Preacher Curl and Barbell Curl 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 barbell curl standard is higher; below zero means the barbell preacher curl 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

The standards come closest at 120 lb.

Barbell Curl target is higher4 strength levels

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

Elite difference18 → 34 lb

8.2 → 15.4 kg from 120 to 300 lb bodyweight.

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

How to read the table: Every number is the barbell curl standard minus the barbell preacher curl standard. A plus sign means the barbell curl standard is higher. A minus sign means the barbell preacher curl standard is higher.

BodyweightNoviceIntermediateAdvancedElite
120 lb
54.4 kg
+7 lb
+3.2 kg
+10 lb
+4.6 kg
+14 lb
+6.4 kg
+18 lb
+8.2 kg
130 lb
59 kg
+7 lb
+3.2 kg
+11 lb
+5 kg
+14 lb
+6.3 kg
+20 lb
+9.1 kg
140 lb
63.5 kg
+8 lb
+3.6 kg
+11 lb
+5 kg
+15 lb
+6.8 kg
+20 lb
+9.1 kg
150 lb
68 kg
+8 lb
+3.6 kg
+11 lb
+5 kg
+16 lb
+7.3 kg
+21 lb
+9.5 kg
160 lb
72.6 kg
+8 lb
+3.6 kg
+13 lb
+5.9 kg
+17 lb
+7.7 kg
+22 lb
+10 kg
170 lb
77.1 kg
+8 lb
+3.6 kg
+13 lb
+5.9 kg
+18 lb
+8.2 kg
+23 lb
+10.4 kg
180 lb
81.6 kg
+9 lb
+4 kg
+14 lb
+6.3 kg
+19 lb
+8.6 kg
+24 lb
+10.9 kg
190 lb
86.2 kg
+9 lb
+4.1 kg
+14 lb
+6.3 kg
+19 lb
+8.6 kg
+25 lb
+11.4 kg
200 lb
90.7 kg
+9 lb
+4.1 kg
+14 lb
+6.4 kg
+19 lb
+8.7 kg
+26 lb
+11.8 kg
210 lb
95.3 kg
+10 lb
+4.6 kg
+15 lb
+6.8 kg
+21 lb
+9.5 kg
+27 lb
+12.3 kg
220 lb
99.8 kg
+10 lb
+4.6 kg
+16 lb
+7.3 kg
+21 lb
+9.5 kg
+28 lb
+12.7 kg
230 lb
104.3 kg
+10 lb
+4.6 kg
+16 lb
+7.3 kg
+22 lb
+10 kg
+28 lb
+12.7 kg
240 lb
108.9 kg
+11 lb
+5 kg
+16 lb
+7.3 kg
+22 lb
+10 kg
+29 lb
+13.1 kg
250 lb
113.4 kg
+10 lb
+4.5 kg
+17 lb
+7.7 kg
+23 lb
+10.4 kg
+30 lb
+13.7 kg
260 lb
117.9 kg
+11 lb
+5 kg
+17 lb
+7.7 kg
+24 lb
+10.9 kg
+31 lb
+14 kg
270 lb
122.5 kg
+11 lb
+5 kg
+18 lb
+8.1 kg
+24 lb
+10.9 kg
+32 lb
+14.5 kg
280 lb
127 kg
+12 lb
+5.5 kg
+18 lb
+8.1 kg
+25 lb
+11.3 kg
+33 lb
+15 kg
290 lb
131.5 kg
+12 lb
+5.5 kg
+19 lb
+8.6 kg
+25 lb
+11.4 kg
+33 lb
+14.9 kg
300 lb
136.1 kg
+12 lb
+5.4 kg
+19 lb
+8.6 kg
+26 lb
+11.8 kg
+34 lb
+15.4 kg

How Women’s Barbell Preacher Curl and Barbell Curl Standards Differ

What the women’s data shows:

Novice closest match100 lb, 110 lb, and 130 lb

The barbell preacher curl and barbell curl standards are within 3 lb at 100 lb, 110 lb, and 130 lb.

Barbell Curl target is higher4 strength levels

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

Elite difference11 → 21 lb

5 → 9.5 kg from 100 to 240 lb bodyweight.

How women’s barbell preacher curl and barbell curl standards differ by bodyweightFour colored lines show the difference in pounds between the barbell curl and barbell preacher curl standards at Novice, Intermediate, Advanced, and Elite. Zero means the two standards are equal. Above zero means the barbell curl standard is higher. Below zero means the barbell preacher curl standard is higher.NoviceIntermediateAdvancedElite0+5+10+15+20+25100120140160180200220240Bodyweight (lb)Difference between standards (lb)

How to read the table: Every number is the barbell curl standard minus the barbell preacher curl standard. A plus sign means the barbell curl standard is higher. A minus sign means the barbell preacher curl standard is higher.

BodyweightNoviceIntermediateAdvancedElite
100 lb
45.4 kg
+3 lb
+1.3 kg
+6 lb
+2.7 kg
+7 lb
+3.2 kg
+11 lb
+5 kg
110 lb
49.9 kg
+3 lb
+1.4 kg
+6 lb
+2.7 kg
+8 lb
+3.7 kg
+12 lb
+5.5 kg
120 lb
54.4 kg
+4 lb
+1.8 kg
+7 lb
+3.2 kg
+9 lb
+4.1 kg
+12 lb
+5.4 kg
130 lb
59 kg
+3 lb
+1.3 kg
+7 lb
+3.2 kg
+9 lb
+4 kg
+13 lb
+5.9 kg
140 lb
63.5 kg
+4 lb
+1.9 kg
+8 lb
+3.6 kg
+10 lb
+4.6 kg
+14 lb
+6.4 kg
150 lb
68 kg
+4 lb
+1.8 kg
+8 lb
+3.6 kg
+10 lb
+4.5 kg
+15 lb
+6.8 kg
160 lb
72.6 kg
+4 lb
+1.9 kg
+8 lb
+3.6 kg
+10 lb
+4.6 kg
+16 lb
+7.3 kg
170 lb
77.1 kg
+5 lb
+2.3 kg
+9 lb
+4.1 kg
+11 lb
+5 kg
+16 lb
+7.2 kg
180 lb
81.6 kg
+5 lb
+2.2 kg
+9 lb
+4.1 kg
+12 lb
+5.5 kg
+17 lb
+7.7 kg
190 lb
86.2 kg
+5 lb
+2.3 kg
+9 lb
+4.1 kg
+12 lb
+5.4 kg
+18 lb
+8.2 kg
200 lb
90.7 kg
+5 lb
+2.2 kg
+9 lb
+4.1 kg
+12 lb
+5.5 kg
+18 lb
+8.2 kg
210 lb
95.3 kg
+5 lb
+2.2 kg
+10 lb
+4.5 kg
+13 lb
+5.9 kg
+18 lb
+8.1 kg
220 lb
99.8 kg
+5 lb
+2.3 kg
+10 lb
+4.5 kg
+13 lb
+5.9 kg
+20 lb
+9.1 kg
230 lb
104.3 kg
+5 lb
+2.2 kg
+10 lb
+4.6 kg
+14 lb
+6.4 kg
+20 lb
+9.1 kg
240 lb
108.9 kg
+5 lb
+2.3 kg
+11 lb
+5 kg
+14 lb
+6.3 kg
+21 lb
+9.5 kg

Barbell Preacher Curl and Barbell Curl Exercises Used by This Calculator

This calculator uses a strict barbell preacher curl and a strict barbell curl strict. Use strict Barbell Preacher Curl and Barbell Curl sets that follow each individual tool’s canonical setup, range, equipment, and lockout rules. Do not transfer a load convention or variation from one exercise to the other.

Use a strict, repeatable Barbell Preacher Curl

Bilateral barbell preacher curl on a preacher curl bench Total barbell load counts as tested weight Upper arms stay planted on the preacher pad Start each rep from near-full elbow extension under control Curl to full elbow flexion without lifting the upper arms from the pad Keep wrists controlled without excessive extension or collapse Enter total barbell weight. Keep the same equipment and setup when retesting.

Use a strict, repeatable Barbell Curl (Strict)

Standing position with barbell held at arm’s length Full elbow extension at the bottom of every rep Curl until the bar reaches shoulder level with full elbow flexion Elbows remain fixed at sides throughout the movement Torso remains upright with no backward lean Controlled eccentric (no dropping the weight) Enter total barbell weight. Keep the same equipment and setup when retesting.

Enter one recent Barbell Preacher Curl set and one recent Barbell Curl set

Use each exercise’s stated load convention and enter a whole number from 1 to 12 reps. Pounds and kilograms can be mixed. Use clean, difficult sets and repeat the same equipment and setup when retesting.

  • Barbell Preacher Curl — View the individual Barbell Preacher Curl standards and next strength-level target.
  • Barbell Curl (Strict) — View the individual Barbell Curl standards and next strength-level target.
  • Dumbbell Hammer Curl — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
  • Seated Cable Row — Use this related standards tool to compare a registry-approved neighboring exercise without mixing its result into this comparison.
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