Adult Body Mass Index (BMI) Calculator and Table

Published: 2017/12/22 - Updated: 2023/08/31
Author: Disabled World - Contact Details
Peer-Reviewed: N/A - Publication Type: Conversion / Calculation
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Synopsis: Explains what body mass index measurement means, includes BMI calculator and chart for adults and instructions on how to measure your waist circumference. Your body mass index measurement combined with your Waist Circumference measurement can be used to determine obesity and the increased risk for various diseases. Waist Circumference measurement is considered to be more accurate when BMI figures indicate normal or overweight.

Main Digest

The body mass index (BMI) is a number derived from a formula, used to compare and analyse the health effects of weight on people of all ages and heights. Use our instant online body mass index calculator to find your current BMI measurement and learn how to measure your waist circumference.

Your body mass index measurement combined with your Waist Circumference measurement can be used to determine obesity and the increased risk for various diseases. A high waist circumference is often associated with an increased risk for type 2 diabetes, cardiovascular disease, dyslipidemia and hypertension when your BMI is calculated between 25 and 34.9.

NOTE: For children aged 1 to 20 use our Body Mass Index Calculator for Children to calculate a child's BMI.

How to Measure Waist Circumference

Waist Circumference measurement is handy for people whose BMI indicates they maybe normal or overweight. EG. an athlete with an increased muscle mass may have a BMI greater than 25 - making them overweight on the BMI scale, however a Waist Circumference measurement would indicate that they are in fact not overweight. Men with a waist circumference more than 102 cm (40 in) and women with a waist circumference more than 88 cm (35 in) are at increased risk of developing health problems - Male and Female Waist to Hip Ratio Calculator

Find your upper hip bone, the waist is usually measured at one inch above the naval, place a measuring tape around the abdomen, be sure the tape is horizontal, the tape measure should be firm but should not compress the skin. Changes in your waist circumference over time can indicate an increase or decrease in your abdominal fat, an increase in abdominal fat is associated with an greater risk of developing heart disease. Physical activity and good nutrition are key factors in a healthy lifestyle.

Adult BMI Calculator
Your Height:	Feet Inches
Your Current Weight:	Pounds

Your BMI =
What Does My BMI Number Mean?*
Body Mass Index (kg/m²)	Classification
Less than 18.5 =	Underweight
18.5 - 24.9 =	Normal weight
25 - 29.9 =	Overweight
30 - 34.9 =	Class I obese
35 - 39.9 =	Class II obese
40 upwards =	Class III obese
*World Health Organization (WHO) Body Mass Index (BMI) Classifications.

Remember, BMI is only one piece of a person's health profile and just one of the many factors related to developing a serious disease. There are other factors that are important when assessing your risk for chronic disease including:

Blood Sugar Level
Cholesterol Level
Family History of diseases
Daily Diet
Waist Circumference
Blood Pressure
Physical Activity

Adult BMI Chart

To read the Adults BMI chart, or table, find your height in the left-hand column labeled Height. Then move across to your weight (in pounds). The number at the top of the column is the correct BMI measurement for that height and weight. To keep the page mobile friendly, the chart consists of 4 progressive tables - so if your numbers don't match the first table move down to the next one.

(Pounds have been rounded off)*. See further down the page for a printable BMI chart for adults.

BMI 19-27	19	20	21	22	23	24	25	26	27
Height Inches	Weight Pounds
58	91	96	100	105	110	115	119	124	129
59	94	99	104	109	114	119	124	128	133
60	97	102	107	112	118	123	128	133	138
61	100	106	111	116	122	127	132	137	143
62	104	109	115	120	126	131	136	142	147
63	107	113	118	124	130	135	141	146	152
64	110	116	122	128	134	140	145	151	157
65	114	120	126	132	138	144	150	156	162
66	118	124	130	136	142	148	155	161	167
67	121	127	134	140	146	153	159	166	172
68	125	131	138	144	151	158	164	171	177
69	128	135	142	149	155	162	169	176	182
70	132	139	146	153	160	167	174	181	188
71	136	143	150	157	165	172	179	186	193
72	140	147	154	162	169	177	184	191	199
73	144	151	159	166	174	182	189	197	204
74	148	155	163	171	179	186	194	202	210
75	152	160	168	176	184	192	200	208	216
76	156	164	172	180	189	197	205	213	221

BMI 28-36	28	29	30	31	32	33	34	35	36
Height Inches	Weight Pounds
58	134	138	143	148	153	158	162	167	172
59	138	143	148	153	158	163	168	173	178
60	143	148	153	158	163	168	174	179	184
61	148	153	158	164	169	174	180	185	190
62	153	158	164	169	175	180	186	191	196
63	158	163	169	175	180	186	191	197	203
64	163	169	174	180	186	192	197	204	209
65	168	174	180	186	192	198	204	210	216
66	173	179	186	192	198	204	210	216	223
67	178	185	191	198	204	211	217	223	230
68	184	190	197	203	210	216	223	230	236
69	189	196	203	209	216	223	230	236	243
70	195	202	209	216	222	229	236	243	250
71	200	208	215	222	229	236	243	250	257
72	206	213	221	228	235	242	250	258	265
73	212	219	227	235	242	250	257	265	272
74	218	225	233	241	249	256	264	272	280
75	224	232	240	248	256	264	272	279	287
76	230	238	246	254	263	271	279	287	295

BMI 37-45	37	38	39	40	41	42	43	44	45
Height Inches	Weight Pounds
58	177	181	186	191	196	201	205	210	215
59	183	188	193	198	203	208	212	217	222
60	189	194	199	204	209	215	220	225	230
61	195	201	206	211	217	222	227	232	238
62	202	207	213	218	224	229	235	240	246
63	208	214	220	225	231	237	242	248	254
64	215	221	227	232	238	244	250	256	262
65	222	228	234	240	246	252	258	264	270
66	229	235	241	247	253	260	266	272	278
67	236	242	249	255	261	268	274	280	287
68	243	249	256	262	269	276	282	289	295
69	250	257	263	270	277	284	291	297	304
70	257	264	271	278	285	292	299	306	313
71	265	272	279	286	293	301	308	315	322
72	272	279	287	294	302	309	316	324	331
73	280	288	295	302	310	318	325	333	340
74	287	295	303	311	319	326	334	342	350
75	295	303	311	319	327	335	343	351	359
76	304	312	320	328	336	344	353	361	369

BMI 46-54	46	47	48	49	50	51	52	53	54
Height Inches	Weight Pounds
58	220	224	229	234	239	244	248	253	258
59	227	232	237	242	247	252	257	262	267
60	235	240	245	250	255	261	266	271	276
61	243	248	254	259	264	269	275	280	285
62	251	256	262	267	273	278	284	289	295
63	259	265	270	278	282	287	293	299	304
64	267	273	279	285	291	296	302	308	314
65	276	282	288	294	300	306	312	318	324
66	284	291	297	303	309	315	322	328	334
67	293	299	306	312	319	325	331	338	344
68	302	308	315	322	328	335	341	348	354
69	311	318	324	331	338	345	351	358	365
70	320	327	334	341	348	355	362	369	376
71	329	338	343	351	358	365	372	379	386
72	338	346	353	361	368	375	383	390	397
73	348	355	363	371	378	386	393	401	408
74	358	365	373	381	389	396	404	412	420
75	367	375	383	391	399	407	415	423	431
76	377	385	394	402	410	418	426	435	443

BMI for Males - Percentiles by Age: U.S. 2011-2014

Men BMI (kg/m²) Percentile
Age	5th	10th	15th	25th	50th	75th	85th	90th	95th
20+ (total)	20.7	22.2	23.0	24.6	27.7	31.6	34.0	36.1	39.8
20 - 29	19.3	20.5	21.2	22.5	25.5	30.5	33.1	35.1	39.2
30 - 39	21.1	22.4	23.3	24.8	27.5	31.9	35.1	36.5	39.3
40 - 49	21.9	23.4	24.3	25.7	28.5	31.9	34.4	36.5	40.0
50 - 59	21.6	22.7	23.6	25.4	28.3	32.0	34.0	35.2	40.3
60 - 69	21.6	22.7	23.6	25.3	28.0	32.4	35.3	36.9	41.2
70 - 79	21.5	23.2	23.9	25.4	27.8	30.9	33.1	34.9	38.9
80+	20.0	21.5	22.5	24.1	26.3	29.0	31.1	32.3	33.8

BMI for Females - Percentiles by Age: U.S. 2011-2014

Women BMI (kg/m²) Percentile
Age	5th	10th	15th	25th	50th	75th	85th	90th	95th
20+ (total)	19.6	21.0	22.0	23.6	27.7	33.2	36.5	39.3	43.3
20 - 29	18.6	19.8	20.7	21.9	25.6	31.8	36.0	38.9	42.0
30 - 39	19.8	21.1	22.0	23.3	27.6	33.1	36.6	40.0	44.7
40 - 49	20.0	21.5	22.5	23.7	28.1	33.4	37.0	39.6	44.5
50 - 59	19.9	21.5	22.2	24.5	28.6	34.4	38.3	40.7	45.2
60 - 69	20.0	21.7	23.0	24.5	28.9	33.4	36.1	38.7	41.8
70 - 79	20.5	22.1	22.9	24.6	28.3	33.4	36.5	39.1	42.9
80+	19.3	20.4	21.3	23.3	26.1	29.7	30.9	32.8	35.2

English and Metric Formula for Calculating BMI

Imperial BMI Formula

Body Mass Index is calculated using pounds and inches with this equation:

BMI = (Weight in Pounds (Height in inches) x (Height in inches) ) x 703

For example, a person who weighs 220 pounds and is 6 feet 3 inches tall has a BMI of 27.5

(220 lbs. (75 inches) x (75 inches) ) x 703 = 27.5

Metric BMI Formula

BMI = Weight in Kilograms (Height in Meters) x (Height in Meters)

BMI = (Weight in Kilograms (Height in centimeters) x (Height in centimeters) ) x 10,000

For example, a person who weighs 99.79 Kilograms and is 1.905 Meters (190.50 centimeters) tall has a BMI of 27.5.

99.79 Kg (1.905 m) x (1.905 m) = 27.5

Printable version of a BMI chart for adults.

*BMI data courtesy of National Institute of Health (NIH) - National Heart, Lung, and Blood Institute (NHLBI).

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