Leg Extension

Leg Extension shows average weight and strength standards as a reference for legs. Primary muscles: Quadriceps.

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Average weight: Intermediate

Reference for an intermediate lifter.

Men 96 kg

Women 58 kg

Leg Extension: Average weight [1RM]

Level
Beginner	35 kg	18 kg
Novice	61 kg	34 kg
Intermediate	96 kg	58 kg
Advanced	139 kg	88 kg
Elite	186 kg	122 kg

Note: These standards are 1RM estimates based on average lifters. Bodyweight, age, and other personal factors can affect the values. See the detailed tables below.

Bodyweight	Beginner	Novice	Intermediate	Advanced	Elite
50	21	40	68	102	141
55	24	45	74	109	150
60	27	49	79	116	158
65	31	54	85	123	165
70	34	58	90	129	172
75	37	62	95	134	179
80	40	65	99	140	186
85	42	69	104	145	192
90	45	73	108	150	198
95	48	76	112	155	203
100	51	79	116	160	209
105	53	83	120	165	214
110	56	86	124	169	219
115	58	89	128	173	224
120	61	92	131	178	228
125	63	95	135	182	233
130	65	97	138	186	237
135	68	100	141	189	242
140	70	103	144	193	246

Age	Beginner	Novice	Intermediate	Advanced	Elite
15	30	52	82	118	159
20	35	60	94	135	182
25	35	61	96	139	186
30	35	61	96	139	186
35	35	61	96	139	186
40	35	61	96	139	186
45	34	58	91	132	177
50	32	55	86	123	166
55	29	51	79	114	154
60	27	46	72	104	140
65	24	42	65	94	127
70	22	37	59	84	114
75	19	33	52	76	102
80	17	30	47	68	91
85	15	27	42	61	81
90	14	24	38	55	73

Bodyweight	Beginner	Novice	Intermediate	Advanced	Elite
40	12	25	46	72	102
45	13	28	49	75	107
50	14	30	51	79	111
55	16	31	54	82	114
60	17	33	56	85	118
65	18	35	58	87	121
70	19	36	60	90	124
75	20	38	62	92	126
80	22	39	64	94	129
85	23	41	66	97	131
90	24	42	67	99	134
95	24	43	69	101	136
100	25	45	71	102	138
105	26	46	72	104	140
110	27	47	73	106	142
115	28	48	75	107	144
120	29	49	76	109	146

Age	Beginner	Novice	Intermediate	Advanced	Elite
15	15	29	49	75	104
20	17	34	57	85	119
25	18	34	58	88	122
30	18	34	58	88	122
35	18	34	58	88	122
40	18	34	58	88	122
45	17	33	55	83	116
50	16	31	52	78	108
55	15	28	48	72	100
60	13	26	44	66	92
65	12	23	39	60	83
70	11	21	35	53	74
75	10	19	32	48	66
80	9	17	28	43	59
85	8	15	25	38	53
90	7	14	23	35	48

Group	Muscles
Primary muscles	Quadriceps
Secondary muscles	None
Stabilizers	Rectus abdominis
Grip	None

Level	Description	Distribution
Beginner	Has learned proper form and trained consistently for at least 1 month.	Bottom 5%
Novice	Has trained consistently for at least 6 months.	Top 80%
Intermediate	Has trained consistently for at least 2 years.	Top 50%
Advanced	Has trained consistently for more than 5 years.	Top 20%
Elite	Has specialized in this exercise for more than 5 years.	Top 5%

Bodyweight	Beginner	Novice	Intermediate	Advanced	Elite
50	21	40	68	102	141
55	24	45	74	109	150
60	27	49	79	116	158
65	31	54	85	123	165
70	34	58	90	129	172
75	37	62	95	134	179
80	40	65	99	140	186
85	42	69	104	145	192
90	45	73	108	150	198
95	48	76	112	155	203
100	51	79	116	160	209
105	53	83	120	165	214
110	56	86	124	169	219
115	58	89	128	173	224
120	61	92	131	178	228
125	63	95	135	182	233
130	65	97	138	186	237
135	68	100	141	189	242
140	70	103	144	193	246

Age	Beginner	Novice	Intermediate	Advanced	Elite
15	30	52	82	118	159
20	35	60	94	135	182
25	35	61	96	139	186
30	35	61	96	139	186
35	35	61	96	139	186
40	35	61	96	139	186
45	34	58	91	132	177
50	32	55	86	123	166
55	29	51	79	114	154
60	27	46	72	104	140
65	24	42	65	94	127
70	22	37	59	84	114
75	19	33	52	76	102
80	17	30	47	68	91
85	15	27	42	61	81
90	14	24	38	55	73

Bodyweight	Beginner	Novice	Intermediate	Advanced	Elite
40	12	25	46	72	102
45	13	28	49	75	107
50	14	30	51	79	111
55	16	31	54	82	114
60	17	33	56	85	118
65	18	35	58	87	121
70	19	36	60	90	124
75	20	38	62	92	126
80	22	39	64	94	129
85	23	41	66	97	131
90	24	42	67	99	134
95	24	43	69	101	136
100	25	45	71	102	138
105	26	46	72	104	140
110	27	47	73	106	142
115	28	48	75	107	144
120	29	49	76	109	146

Age	Beginner	Novice	Intermediate	Advanced	Elite
15	15	29	49	75	104
20	17	34	57	85	119
25	18	34	58	88	122
30	18	34	58	88	122
35	18	34	58	88	122
40	18	34	58	88	122
45	17	33	55	83	116
50	16	31	52	78	108
55	15	28	48	72	100
60	13	26	44	66	92
65	12	23	39	60	83
70	11	21	35	53	74
75	10	19	32	48	66
80	9	17	28	43	59
85	8	15	25	38	53
90	7	14	23	35	48

Leg Extension

Average weight: Intermediate

Leg Extension: Average weight [1RM]

Leg Extension: Strength standards (kg)

Men by bodyweight (kg) [1RM]

Men by age [1RM]

Women by bodyweight (kg) [1RM]

Women by age [1RM]

Muscles worked

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How to read the table

More exercises

Full body

Chest

Back

Shoulders

Arms

Legs

Core

Bodyweight	Beginner	Novice	Intermediate	Advanced	Elite
50	21	40	68	102	141
55	24	45	74	109	150
60	27	49	79	116	158
65	31	54	85	123	165
70	34	58	90	129	172
75	37	62	95	134	179
80	40	65	99	140	186
85	42	69	104	145	192
90	45	73	108	150	198
95	48	76	112	155	203
100	51	79	116	160	209
105	53	83	120	165	214
110	56	86	124	169	219
115	58	89	128	173	224
120	61	92	131	178	228
125	63	95	135	182	233
130	65	97	138	186	237
135	68	100	141	189	242
140	70	103	144	193	246

Age	Beginner	Novice	Intermediate	Advanced	Elite
15	30	52	82	118	159
20	35	60	94	135	182
25	35	61	96	139	186
30	35	61	96	139	186
35	35	61	96	139	186
40	35	61	96	139	186
45	34	58	91	132	177
50	32	55	86	123	166
55	29	51	79	114	154
60	27	46	72	104	140
65	24	42	65	94	127
70	22	37	59	84	114
75	19	33	52	76	102
80	17	30	47	68	91
85	15	27	42	61	81
90	14	24	38	55	73

Bodyweight	Beginner	Novice	Intermediate	Advanced	Elite
40	12	25	46	72	102
45	13	28	49	75	107
50	14	30	51	79	111
55	16	31	54	82	114
60	17	33	56	85	118
65	18	35	58	87	121
70	19	36	60	90	124
75	20	38	62	92	126
80	22	39	64	94	129
85	23	41	66	97	131
90	24	42	67	99	134
95	24	43	69	101	136
100	25	45	71	102	138
105	26	46	72	104	140
110	27	47	73	106	142
115	28	48	75	107	144
120	29	49	76	109	146

Age	Beginner	Novice	Intermediate	Advanced	Elite
15	15	29	49	75	104
20	17	34	57	85	119
25	18	34	58	88	122
30	18	34	58	88	122
35	18	34	58	88	122
40	18	34	58	88	122
45	17	33	55	83	116
50	16	31	52	78	108
55	15	28	48	72	100
60	13	26	44	66	92
65	12	23	39	60	83
70	11	21	35	53	74
75	10	19	32	48	66
80	9	17	28	43	59
85	8	15	25	38	53
90	7	14	23	35	48