Leg Extension Standards (kg)

The average Leg Extension is 99 kg for men and 61 kg for women (1RM). Compare your one-rep max lift by bodyweight and age below.

Exercise

Weight Unit

Pounds (lb)

Kilograms (kg)

Our Leg Extension strength standards are based on 1,152,891 lifts by Strength Level users from 2017 to 2026. More...

How To

Male
Female

Male

Male Leg Extension Standards (kg)

Weight

Strength Level	Weight
Beginner	43 kg
Novice	68 kg
Intermediate	99 kg
Advanced	137 kg
Elite	179 kg

Bodyweight Ratio

Strength Level	Bodyweight Ratio
Beginner	0.50x
Novice	1.00x
Intermediate	1.25x
Advanced	1.75x
Elite	2.50x

How much should I be able to Leg Extension? (kg)

What is the average Leg Extension? The average Leg Extension weight for a male lifter is 99 kg (1RM). This makes you Intermediate on Strength Level and is a very impressive lift.

What is a good Leg Extension? Male beginners should aim to lift 43 kg (1RM) which is still impressive compared to the general population.

By Weight and Age

By Bodyweight
By Age

By Bodyweight

BW	Beg.	Nov.	Int.	Adv.	Elite
50	29	49	75	106	142
55	32	53	80	113	149
60	36	57	85	119	156
65	39	61	90	125	163
70	42	65	95	130	169
75	45	69	99	135	175
80	48	72	103	140	180
85	51	76	108	145	186
90	53	79	111	149	191
95	56	82	115	154	196
100	58	85	119	158	201
105	61	88	122	162	205
110	63	91	126	166	209
115	65	94	129	170	214
120	68	97	132	173	218
125	70	99	135	177	222
130	72	102	138	180	225
135	74	104	141	183	229
140	76	107	144	187	233

By Age

Age	Beg.	Nov.	Int.	Adv.	Elite
15	37	58	85	117	153
20	42	66	97	134	175
25	43	68	99	137	179
30	43	68	99	137	179
35	43	68	99	137	179
40	43	68	99	137	179
45	41	64	94	130	170
50	38	60	88	122	159
55	35	55	81	112	146
60	32	50	74	102	134
65	29	46	67	93	121
70	26	41	60	83	109
75	23	37	54	75	98
80	21	33	48	67	87
85	19	30	43	60	78
90	17	26	39	54	70

How many sets and reps of Leg Extension should I do?

These are the most popular Leg Extension workouts done by male lifters:

3x10 20%

3x12 15%

4x10 9%

4x12 7%

3x15 7%

3x8 6%

2x10 4%

5x10 3%

2x12 3%

4x8 3%

Rank	Sets	Reps	Percent	Workouts
1	3	10	20%	4170
2	3	12	15%	3193
3	4	10	9%	1932
4	4	12	7%	1368
5	3	15	7%	1346
6	3	8	6%	1162
7	2	10	4%	730
8	5	10	3%	580
9	2	12	3%	559
10	4	8	3%	542

Female

Female Leg Extension Standards (kg)

Entire Community

Weight
Bodyweight Ratio

Weight

Strength Level	Weight
Beginner	23 kg
Novice	39 kg
Intermediate	61 kg
Advanced	88 kg
Elite	119 kg

Bodyweight Ratio

Strength Level	Bodyweight Ratio
Beginner	0.25x
Novice	0.50x
Intermediate	1.00x
Advanced	1.25x
Elite	1.75x

How much should I be able to Leg Extension? (kg)

What is the average Leg Extension? The average Leg Extension weight for a female lifter is 61 kg (1RM). This makes you Intermediate on Strength Level and is a very impressive lift.

What is a good Leg Extension? Female beginners should aim to lift 23 kg (1RM) which is still impressive compared to the general population.

By Weight and Age

By Bodyweight
By Age

By Bodyweight

BW	Beg.	Nov.	Int.	Adv.	Elite
40	16	30	49	73	101
45	18	32	52	77	105
50	19	34	55	80	109
55	21	36	57	83	112
60	22	38	59	86	115
65	23	40	62	88	118
70	24	41	64	91	121
75	26	43	65	93	124
80	27	44	67	95	126
85	28	46	69	97	128
90	29	47	71	99	131
95	30	48	72	101	133
100	31	49	74	103	135
105	32	51	75	104	137
110	33	52	76	106	138
115	34	53	78	107	140
120	34	54	79	109	142

By Age

Age	Beg.	Nov.	Int.	Adv.	Elite
15	19	33	52	75	101
20	22	38	60	86	116
25	23	39	61	88	119
30	23	39	61	88	119
35	23	39	61	88	119
40	23	39	61	88	119
45	21	37	58	84	113
50	20	35	54	78	105
55	18	32	50	72	97
60	17	29	46	66	89
65	15	26	41	60	80
70	14	24	37	54	72
75	12	21	33	48	65
80	11	19	30	43	58
85	10	17	27	39	52
90	9	15	24	35	47

How many sets and reps of Leg Extension should I do?

These are the most popular Leg Extension workouts done by female lifters:

3x10 22%

3x12 13%

3x15 11%

4x10 9%

3x8 7%

4x12 6%

4x8 4%

2x10 3%

4x15 3%

5x10 2%

Rank	Sets	Reps	Percent	Workouts
1	3	10	22%	1186
2	3	12	13%	714
3	3	15	11%	573
4	4	10	9%	496
5	3	8	7%	365
6	4	12	6%	328
7	4	8	4%	212
8	2	10	3%	182
9	4	15	3%	164
10	5	10	2%	129

Rate Your Lifts Against Other People

The Strength Level Calculator can show your exact level of strength at any bodyweight.

What do the strength standards mean?

Beginner	Stronger than 5% of lifters. A beginner lifter can perform the movement correctly and has practiced it for at least a month.
Novice	Stronger than 20% of lifters. A novice lifter has trained regularly in the technique for at least six months.
Intermediate	Stronger than 50% of lifters. An intermediate lifter has trained regularly in the technique for at least two years.
Advanced	Stronger than 80% of lifters. An advanced lifter has progressed for over five years.
Elite	Stronger than 95% of lifters. An elite lifter has dedicated over five years to become competitive at strength sports.

Strength Level introduced these exact Beginner-to-Elite percentile boundaries in 2015. See how the standards evolved.

Data behind the Leg Extension strength standards

Strength Level analysed 372,660 qualifying results from 1,152,891 community lifts to produce our Leg Extension strength standards. We will continue to update them as more community data becomes available. See our standards timeline.

Community lifts	1,152,891
Qualifying results	372,660
Male results	298,464
Female results	74,196
Data start	18 August 2017
Data cutoff	8 March 2026

Qualifying results are retained after checks for implausible data, duplicates, and unusual or automated submission patterns. Learn more about qualifying results.

BW	Beg.	Nov.	Int.	Adv.	Elite
50	29	49	75	106	142
55	32	53	80	113	149
60	36	57	85	119	156
65	39	61	90	125	163
70	42	65	95	130	169
75	45	69	99	135	175
80	48	72	103	140	180
85	51	76	108	145	186
90	53	79	111	149	191
95	56	82	115	154	196
100	58	85	119	158	201
105	61	88	122	162	205
110	63	91	126	166	209
115	65	94	129	170	214
120	68	97	132	173	218
125	70	99	135	177	222
130	72	102	138	180	225
135	74	104	141	183	229
140	76	107	144	187	233

Age	Beg.	Nov.	Int.	Adv.	Elite
15	37	58	85	117	153
20	42	66	97	134	175
25	43	68	99	137	179
30	43	68	99	137	179
35	43	68	99	137	179
40	43	68	99	137	179
45	41	64	94	130	170
50	38	60	88	122	159
55	35	55	81	112	146
60	32	50	74	102	134
65	29	46	67	93	121
70	26	41	60	83	109
75	23	37	54	75	98
80	21	33	48	67	87
85	19	30	43	60	78
90	17	26	39	54	70

BW	Beg.	Nov.	Int.	Adv.	Elite
40	16	30	49	73	101
45	18	32	52	77	105
50	19	34	55	80	109
55	21	36	57	83	112
60	22	38	59	86	115
65	23	40	62	88	118
70	24	41	64	91	121
75	26	43	65	93	124
80	27	44	67	95	126
85	28	46	69	97	128
90	29	47	71	99	131
95	30	48	72	101	133
100	31	49	74	103	135
105	32	51	75	104	137
110	33	52	76	106	138
115	34	53	78	107	140
120	34	54	79	109	142

Age	Beg.	Nov.	Int.	Adv.	Elite
15	19	33	52	75	101
20	22	38	60	86	116
25	23	39	61	88	119
30	23	39	61	88	119
35	23	39	61	88	119
40	23	39	61	88	119
45	21	37	58	84	113
50	20	35	54	78	105
55	18	32	50	72	97
60	17	29	46	66	89
65	15	26	41	60	80
70	14	24	37	54	72
75	12	21	33	48	65
80	11	19	30	43	58
85	10	17	27	39	52
90	9	15	24	35	47

BW	Beg.	Nov.	Int.	Adv.	Elite
50	29	49	75	106	142
55	32	53	80	113	149
60	36	57	85	119	156
65	39	61	90	125	163
70	42	65	95	130	169
75	45	69	99	135	175
80	48	72	103	140	180
85	51	76	108	145	186
90	53	79	111	149	191
95	56	82	115	154	196
100	58	85	119	158	201
105	61	88	122	162	205
110	63	91	126	166	209
115	65	94	129	170	214
120	68	97	132	173	218
125	70	99	135	177	222
130	72	102	138	180	225
135	74	104	141	183	229
140	76	107	144	187	233

Age	Beg.	Nov.	Int.	Adv.	Elite
15	37	58	85	117	153
20	42	66	97	134	175
25	43	68	99	137	179
30	43	68	99	137	179
35	43	68	99	137	179
40	43	68	99	137	179
45	41	64	94	130	170
50	38	60	88	122	159
55	35	55	81	112	146
60	32	50	74	102	134
65	29	46	67	93	121
70	26	41	60	83	109
75	23	37	54	75	98
80	21	33	48	67	87
85	19	30	43	60	78
90	17	26	39	54	70

BW	Beg.	Nov.	Int.	Adv.	Elite
40	16	30	49	73	101
45	18	32	52	77	105
50	19	34	55	80	109
55	21	36	57	83	112
60	22	38	59	86	115
65	23	40	62	88	118
70	24	41	64	91	121
75	26	43	65	93	124
80	27	44	67	95	126
85	28	46	69	97	128
90	29	47	71	99	131
95	30	48	72	101	133
100	31	49	74	103	135
105	32	51	75	104	137
110	33	52	76	106	138
115	34	53	78	107	140
120	34	54	79	109	142

Age	Beg.	Nov.	Int.	Adv.	Elite
15	19	33	52	75	101
20	22	38	60	86	116
25	23	39	61	88	119
30	23	39	61	88	119
35	23	39	61	88	119
40	23	39	61	88	119
45	21	37	58	84	113
50	20	35	54	78	105
55	18	32	50	72	97
60	17	29	46	66	89
65	15	26	41	60	80
70	14	24	37	54	72
75	12	21	33	48	65
80	11	19	30	43	58
85	10	17	27	39	52
90	9	15	24	35	47

Leg Extension Standards (kg)

Male

Male Leg Extension Standards (kg)

Entire Community

Weight

Bodyweight Ratio

How much should I be able to Leg Extension? (kg)

By Weight and Age

By Bodyweight

By Age

How many sets and reps of Leg Extension should I do?

Female

Female Leg Extension Standards (kg)

Entire Community

Weight

Bodyweight Ratio

How much should I be able to Leg Extension? (kg)

By Weight and Age

By Bodyweight

By Age

How many sets and reps of Leg Extension should I do?

Rate Your Lifts Against Other People

What do the strength standards mean?

Data behind the Leg Extension strength standards

Other Languages

BW	Beg.	Nov.	Int.	Adv.	Elite
50	29	49	75	106	142
55	32	53	80	113	149
60	36	57	85	119	156
65	39	61	90	125	163
70	42	65	95	130	169
75	45	69	99	135	175
80	48	72	103	140	180
85	51	76	108	145	186
90	53	79	111	149	191
95	56	82	115	154	196
100	58	85	119	158	201
105	61	88	122	162	205
110	63	91	126	166	209
115	65	94	129	170	214
120	68	97	132	173	218
125	70	99	135	177	222
130	72	102	138	180	225
135	74	104	141	183	229
140	76	107	144	187	233

Age	Beg.	Nov.	Int.	Adv.	Elite
15	37	58	85	117	153
20	42	66	97	134	175
25	43	68	99	137	179
30	43	68	99	137	179
35	43	68	99	137	179
40	43	68	99	137	179
45	41	64	94	130	170
50	38	60	88	122	159
55	35	55	81	112	146
60	32	50	74	102	134
65	29	46	67	93	121
70	26	41	60	83	109
75	23	37	54	75	98
80	21	33	48	67	87
85	19	30	43	60	78
90	17	26	39	54	70

BW	Beg.	Nov.	Int.	Adv.	Elite
40	16	30	49	73	101
45	18	32	52	77	105
50	19	34	55	80	109
55	21	36	57	83	112
60	22	38	59	86	115
65	23	40	62	88	118
70	24	41	64	91	121
75	26	43	65	93	124
80	27	44	67	95	126
85	28	46	69	97	128
90	29	47	71	99	131
95	30	48	72	101	133
100	31	49	74	103	135
105	32	51	75	104	137
110	33	52	76	106	138
115	34	53	78	107	140
120	34	54	79	109	142

Age	Beg.	Nov.	Int.	Adv.	Elite
15	19	33	52	75	101
20	22	38	60	86	116
25	23	39	61	88	119
30	23	39	61	88	119
35	23	39	61	88	119
40	23	39	61	88	119
45	21	37	58	84	113
50	20	35	54	78	105
55	18	32	50	72	97
60	17	29	46	66	89
65	15	26	41	60	80
70	14	24	37	54	72
75	12	21	33	48	65
80	11	19	30	43	58
85	10	17	27	39	52
90	9	15	24	35	47