Weight Classes

IKF WEIGHT CLASSES
Full Contact ,
International / Leg Kick,
MuayThai
San Shou
For Junior Amateurs, (Ages 8-17) See Bottom of Page
Junior Amateurs

All "TOURNAMENT" Style Bouts & Titles are Only 3 Rounds.

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CONVERTING LBS. TO KG. AND BACK
For those looking to convert lbs to kg. If you have a 65 kg fighter and want to know how many lbs. that is, multiply it by 2.2. 65 kg X 2.2 = 143 lbs.
If you have a 145 lb fighter and want to know the weight in kg, divide it by 2.2 145 / 2.2 = 65.90 kg.

17 PRO & AMATEUR WEIGHT CLASSES

WEIGHT CLASS

WEIGHT in lbs.

WEIGHT in kg.

MAXIMUM
WEIGHT SPREAD

GLOVE
SIZES
P= PRO, A=AMATEUR

AMATEUR
TOURNAMENT
GLOVE SIZES

Atomweight

112. lbs. - & Below

50.9 & Below

5 lbs. - 2.27 kg

P: 8-10 oz. - A: 10-12 oz.

10 oz.

Flyweight

112.1 lbs. - 117 lbs.

50.95 kg - 53.18 kg

5 lbs. - 2.27 kg

P: 8-10 oz. - A: 10-12 oz.

10 oz.

Bantamweight

117.1 lbs. - 122 lbs.

53.22 kg - 55.45 kg

5 lbs. - 2.27 kg

P: 8-10 oz. - A: 10-12 oz.

10 oz.

Featherweight

122.1 lbs. - 127 lbs.

55.50 kg - 57.72 kg

5 lbs. - 2.27 kg

P: 8-10 oz. - A: 10-12 oz.

10 oz.

Lightweight

127.1 lbs. - 132 lbs.

57.77 kg - 60 kg

5 lbs. - 2.27 kg

P: 8-10 oz. - A: 10-12 oz.

10 oz.

Super Lightweight

132.1 lbs. - 137 lbs.

60.04 kg - 62.27 kg

5 lbs. - 2.27 kg

P: 8-10 oz. - A: 10-12 oz.

10 oz.

Light Welterweight

137.1 lbs. - 142 lbs.

62.31 kg - 64.54 kg

5 lbs. - 2.27 kg

P: 8-10 oz. - A: 10-12 oz.

10 oz.

Welterweight

142.1 lbs. - 147 lbs.

64.59 kg - 66.8 kg

7 lbs. - 3.2 kg

P: 8-10 oz. - A: 10-12 oz.

10 oz.

Super Welterweight

147.1 lbs - 153 lbs.

66.9 kg - 69.5 kg

7 lbs. - 3.2 kg

P: 10 oz. - A: 10-12 oz.

10 oz.

Light Middleweight

153.1 lbs. - 159 lbs.

69.6 kg - 72.3 kg

7 lbs. - 3.2 kg

P: 10 oz. - A: 10-12 oz.

10 oz.

Middleweight

159.1 lbs. - 165 lbs.

72.4 kg - 75 kg

7 lbs. - 3.2 kg

P: 10 oz. - A: 10-12 oz.

10 oz.

Super Middleweight

165.1 lbs. - 172 lbs.

75.1 kg - 78.2 kg

7 lbs. - 3.2 kg

P: 10 oz. - A: 10-12 oz.

12 oz.

Light Heavyweight

172.1 lbs. - 179 lbs.

78.3 kg - 81.4 kg

7 lbs. - 3.2 kg

P: 10 oz. - A: 10-12 oz.

12 oz.

Light Cruiserweight

179.1 lbs. - 186 lbs.

81.5 kg - 84.5 kg

7 lbs. - 3.2 kg

P: 10 oz. - A: 10-12 oz.

12 oz.

Cruiserweight

186.1 lbs. - 195 lbs.

84.6 kg - 88.6 kg

12 lbs. - 5.5 kg

P: 10 oz. - A: 10-12 oz.

12 oz.

Heavyweight

195.1 lbs. - 215 lbs.

88.7 kg - 97.7 kg

20 lbs. 9.1 kg

P: 10 oz. - A: 10-12 oz.

12 oz.

Super Heavyweight

215.1 lbs. and above

97.8 kg And Up

No Limit

P: 10 oz. - A: 10-12 oz.

12 oz.

23 JUNIOR AMATEURS RULES WEIGHT CLASSES
BOYS & GIRLS WEIGHTCLASSES
(Ages 8 - 17)

WEIGHTCLASS		WEIGHT in lbs.	WEIGHT in kg.	GLOVE SIZES
1	Junior Bantamweight	52 lbs. - 58 lbs.	23.63 Kg - 26.36 Kg	10 oz.
2	Junior Featherweight	58.1 lbs. - 64 lbs.	26.37 Kg - 29.09 Kg	10 oz.
3	Junior Lightweight	64.1 lbs. - 70 lbs.	29.10 Kg - 31.81 Kg	10 oz.
4	Junior Welterweight	70.1 lbs. - 76 lbs.	31.82 Kg - 34.54 Kg	10 oz.
5	Junior Middleweight	76.1 lbs. - 82 lbs.	34.55 Kg - 37.27 Kg	10 oz.
6	Junior Light Heavyweight	82.1 lbs. - 88 lbs.	37.28 Kg - 40.00 Kg	10 oz.
7	Junior Cruiserweight	88.1 lbs. - 95 lbs	40.01 Kg - 43.18 Kg	10 oz.
8	Junior Heavyweight	95.1 lbs - 102 lbs.	43.19 Kg - 46.36 Kg	10 oz.
9	Atomweight	102.1 lbs. - 109 lbs.	46.37 Kg - 49.54 Kg	10 oz.
10	Flyweight	109.1 lbs. - 116 lbs.	49.55 Kg - 52.72 Kg	10 oz.
11	Bantamweight	116.1 lbs. - 123 lbs.	52.73 Kg - 55.90 Kg	10 oz.
12	Lightweight	123.1 lbs. - 130 lbs.	55.91 Kg - 59.09 Kg	10 oz.
13	Super Lightweight	130.1 lbs. - 137 lbs.	59.10 Kg - 62.27 Kg	10 oz.
14	Light Welterweight	137.1 lbs. - 142 lbs.	62.28 Kg - 64.54 Kg	10 oz.
15	Welterweight	142.1 lbs. - 147 lbs.	64.55 Kg - 66.81 Kg	10 oz.
16	Super Welterweight	147.1 lbs - 153 lbs.	66.82 Kg - 69.54 Kg	12 oz.
17	Light Middleweight	153.1 lbs. - 159 lbs.	69.55 Kg - 72.27 Kg	12 oz.
18	Middleweight	159.1 lbs. - 165 lbs.	72.28 Kg - 75 Kg	12 oz.
19	Super Middleweight	165.1 lbs. - 172 lbs.	75.01 Kg - 78.18 Kg	12 oz.
20	Light Heavyweight	172.1 lbs. - 180 lbs.	78.19 Kg - 81.81 Kg	12 oz.
21	Cruiserweight	180.1 lbs. - 195 lbs.	81.82 Kg - 88.63 Kg	12 oz.
22	Heavyweight	195.1 lbs. - 215 lbs.	88.64 Kg - 97.72 Kg	12 oz.
23	Super Heavyweight	215 lbs. & UP	97.73 Kg & Above	12 oz.