# A Body Shape Index (ABSI) Calculator

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Enter your age, gender, height, weight and waist circumference. Then click the "Calculate ABSI" button.

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## About A Body Shape Index (ABSI) Calculator

This on-line ABSI calculator takes your weight, height and waist circumference and calculates the ABSI value.

### Using the ABSI calculator

1. Select the unite of measurement. Either Metric (Kilogram, centimeter, etc..) or U.S.A Standard / Imperial (Pound, Inches, Feet, etc..).
2. Select the Gender.
3. Select the Age.
4. Enter the Height either in centimeters or in feet.
5. Enter your Weight either in kilogram (kg) or in pounds (lb.).
6. Enter your Waist Circumference. (Guidelines for measuring waist circumference is given below)
7. Then, click the Calculate ABSI button. The ABSI value will be calculated and the result will be displayed in the box below the button.

### Guidelines for Measuring Waist Circumference

1. Stand in frond of a tall mirror.
2. Keep the feet shoulder-width apart.
3. Wrap the measuring tape around your waist and adjust the tape, so as the bottom edge of the tape is with the top of your hip bones.
4. Check the mirror and make sure the tape is placed horizontally around your waist.
5. Take 3 normal breaths.
6. At the end of the 3rd expiration, slightly tighten the tape and take the measurement.
7. Repeat the steps 5 and 6 couple of times and take the measurements.
8. Take the average of the measurements.

## A Body Shape Index (ABSI)

To overcome the shortfalls of BMI, Nir Y. Krakauer and Jesse C. Krakauer, studied a sample population of 14,105 adults from USA and came up with A Body Shape Index (ABSI) based on waist circumference, BMI and height. They published their journal at plos.org. This ABSI calculator is developed based on the journal. The below details are also based on the journal.

### ABSI Formula

Formla to calculate the ABSI. ABSI is takes waist circumferance as the major factor. ABSI has very little impact for height, weight or BMI.

ABSI = WC ÷ (BMI2/3 × Height1/2)

Where:

### ABSIz Formula

Formula for calculating ABSI z score. ABSI z score is calculated based on the mean and standard deviations of ABSI calculated for the given age and gender. ABSI z score is used to identiy the premature mortality risk level.

ABSI z score = (ABSI - ABSImean) ÷ ABSISD

Where:

• ABSImean = Mean of calculated ABSI with respect to age and gender.
• ABSISD = Standard Deviation of calculated ABSI with respect to age and gender.
• ABSImean and ABSISD are given in the table below.

### ABSI Mortality Hazard Levels

The ABSI z score is classified into five premature mortality risk levels.

Quintile ABSIz Score Mortality Risk
1 Less than -0.868 Very Low
2 Between -0.868 and -0.272 Low
3 Between -0.272 and +0.229 Average
4 Between +0.229 and +0.798 High
5 Above +0.798 Very High

### Mean and Standard Deviation of ABSI Based on Age and Gender

ABSI z score is calculated based on the ABSIMean and ABSISD of the sample individuals of the same age and gender. This will give the relative score of ABSI.

#### Male: ABSI Mean and Standard Deviation for Male

Age ABSIMean ABSISD Smoothed ABSIMean Smoothed ABSISD
2 0.07778 0.00312 0.07890 0.00384
3 0.07931 0.00283 0.07915 0.00384
4 0.07932 0.00300 0.07937 0.00383
5 0.08009 0.00335 0.07955 0.00383
6 0.07989 0.00362 0.07964 0.00382
7 0.07968 0.00341 0.07966 0.00382
8 0.08063 0.00415 0.07958 0.00382
9 0.08025 0.00423 0.07942 0.00381
10 0.07969 0.00408 0.07917 0.00381
11 0.07964 0.00442 0.07886 0.00381
12 0.07953 0.00438 0.07849 0.00380
13 0.07807 0.00434 0.07810 0.00380
14 0.07712 0.00436 0.07772 0.00380
15 0.07647 0.00415 0.07739 0.00379
16 0.07583 0.00379 0.07716 0.00379
17 0.07625 0.00376 0.07703 0.00378
18 0.07665 0.00361 0.07702 0.00378
19 0.07665 0.00393 0.07711 0.00378
20 0.07715 0.00410 0.07728 0.00377
21 0.07754 0.00370 0.07750 0.00377
22 0.07861 0.00452 0.07777 0.00377
23 0.07839 0.00364 0.07804 0.00376
24 0.07794 0.00363 0.07831 0.00376
25 0.07880 0.00354 0.07858 0.00376
26 0.07895 0.00381 0.07882 0.00375
27 0.07936 0.00402 0.07904 0.00375
28 0.07999 0.00387 0.07922 0.00374
29 0.07944 0.00381 0.07938 0.00374
30 0.07949 0.00370 0.07951 0.00374
31 0.07890 0.00317 0.07963 0.00373
32 0.07922 0.00374 0.07975 0.00373
33 0.08010 0.00408 0.07988 0.00373
34 0.07977 0.00367 0.08000 0.00372
35 0.08039 0.00358 0.08013 0.00372
36 0.07966 0.00397 0.08027 0.00371
37 0.07999 0.00381 0.08042 0.00371
38 0.08031 0.00367 0.08057 0.00371
39 0.08114 0.00363 0.08072 0.00370
40 0.08089 0.00354 0.08087 0.00370
41 0.08127 0.00335 0.08102 0.00370
42 0.08122 0.00347 0.08117 0.00369
43 0.08084 0.00339 0.08132 0.00369
44 0.08110 0.00327 0.08148 0.00368
45 0.08140 0.00332 0.08165 0.00368
46 0.08272 0.00426 0.08183 0.00368
47 0.08176 0.00306 0.08201 0.00367
48 0.08119 0.00323 0.08221 0.00367
49 0.08272 0.00400 0.08240 0.00367
50 0.08322 0.00333 0.08260 0.00366
51 0.08261 0.00385 0.08279 0.00366
52 0.08281 0.00360 0.08297 0.00365
53 0.08272 0.00399 0.08315 0.00365
54 0.08324 0.00356 0.08334 0.00365
55 0.08388 0.00406 0.08352 0.00364
56 0.08321 0.00386 0.08369 0.00364
57 0.08529 0.00393 0.08386 0.00364
58 0.08374 0.00344 0.08403 0.00363
59 0.08343 0.00354 0.08419 0.00363
60 0.08392 0.00354 0.08436 0.00362
61 0.08487 0.00354 0.08454 0.00362
62 0.08455 0.00348 0.08471 0.00362
63 0.08513 0.00352 0.08489 0.00361
64 0.08489 0.00275 0.08506 0.00361
65 0.08547 0.00343 0.08522 0.00360
66 0.08583 0.00343 0.08537 0.00360
67 0.08518 0.00324 0.08551 0.00360
68 0.08565 0.00298 0.08565 0.00359
69 0.08633 0.00382 0.08578 0.00359
70 0.08534 0.00387 0.08591 0.00359
71 0.08603 0.00356 0.08604 0.00358
72 0.08635 0.00364 0.08616 0.00358
73 0.08605 0.00325 0.08629 0.00357
74 0.08648 0.00387 0.08641 0.00357
75 0.08713 0.00363 0.08653 0.00357
76 0.08671 0.00313 0.08665 0.00356
77 0.08691 0.00348 0.08675 0.00356
78 0.08592 0.00383 0.08685 0.00355
79 0.08745 0.00361 0.08695 0.00355
80 0.08759 0.00384 0.08705 0.00355
81 0.08714 0.00395 0.08714 0.00354
82 0.08713 0.00370 0.08723 0.00354
83 0.08714 0.00342 0.08732 0.00354
84 0.08763 0.00385 0.08742 0.00353
85 0.08811 0.00356 0.08811 0.00356

#### Female: ABSI Mean and Standard Deviation for Female

Age ABSIMean ABSISD Smoothed ABSIMean Smoothed ABSISD
2 0.07922 0.00319 0.08031 0.00363
3 0.08000 0.00303 0.08016 0.00366
4 0.08045 0.00280 0.08001 0.00369
5 0.08085 0.00327 0.07985 0.00372
6 0.08006 0.00338 0.07969 0.00375
7 0.08013 0.00333 0.07952 0.00378
8 0.08039 0.00388 0.07935 0.00380
9 0.08016 0.00370 0.07917 0.00383
10 0.07914 0.00378 0.07899 0.00386
11 0.07934 0.00400 0.07881 0.00389
12 0.07825 0.00403 0.07863 0.00392
13 0.07807 0.00439 0.07846 0.00395
14 0.07762 0.00441 0.07829 0.00397
15 0.07701 0.00391 0.07814 0.00400
16 0.07739 0.00399 0.07799 0.00403
17 0.07714 0.00394 0.07787 0.00406
18 0.07705 0.00413 0.07775 0.00408
19 0.07743 0.00419 0.07765 0.00411
20 0.07712 0.00465 0.07757 0.00414
21 0.07786 0.00415 0.07750 0.00416
22 0.07728 0.00430 0.07744 0.00419
23 0.07726 0.00463 0.07740 0.00422
24 0.07771 0.00490 0.07737 0.00424
25 0.07699 0.00407 0.07735 0.00427
26 0.07719 0.00543 0.07734 0.00429
27 0.07756 0.00450 0.07735 0.00432
28 0.07772 0.00468 0.07736 0.00435
29 0.07744 0.00402 0.07739 0.00437
30 0.07703 0.00421 0.07743 0.00440
31 0.07714 0.00478 0.07747 0.00442
32 0.07738 0.00484 0.07752 0.00445
33 0.07786 0.00474 0.07759 0.00447
34 0.07779 0.00459 0.07766 0.00450
35 0.07756 0.00452 0.07773 0.00452
36 0.07854 0.00425 0.07782 0.00454
37 0.07815 0.00396 0.07790 0.00457
38 0.07861 0.00500 0.07800 0.00459
39 0.07779 0.00480 0.07810 0.00462
40 0.07790 0.00462 0.07820 0.00464
41 0.07892 0.00403 0.07831 0.00466
42 0.07833 0.00463 0.07842 0.00469
43 0.07882 0.00493 0.07854 0.00471
44 0.07774 0.00498 0.07866 0.00473
45 0.07860 0.00462 0.07879 0.00476
46 0.07900 0.00386 0.07892 0.00478
47 0.07916 0.00477 0.07905 0.00480
48 0.07888 0.00542 0.07919 0.00483
49 0.07978 0.00464 0.07933 0.00485
50 0.07894 0.00506 0.07947 0.00487
51 0.08039 0.00436 0.07962 0.00489
52 0.08068 0.00471 0.07977 0.00492
53 0.07941 0.00420 0.07992 0.00494
54 0.08054 0.00541 0.08007 0.00496
55 0.07872 0.00498 0.08023 0.00498
56 0.08000 0.00566 0.08039 0.00501
57 0.08025 0.00504 0.08055 0.00503
58 0.08204 0.00491 0.08072 0.00505
59 0.08038 0.00481 0.08088 0.00507
60 0.08094 0.00514 0.08105 0.00509
61 0.08183 0.00478 0.08122 0.00511
62 0.08146 0.00448 0.08139 0.00514
63 0.08226 0.00471 0.08156 0.00516
64 0.08120 0.00556 0.08174 0.00518
65 0.08148 0.00604 0.08191 0.00520
66 0.08148 0.00566 0.08208 0.00522
67 0.08283 0.00486 0.08226 0.00524
68 0.08228 0.00544 0.08243 0.00526
69 0.08209 0.00528 0.08261 0.00528
70 0.08316 0.00485 0.08278 0.00530
71 0.08394 0.00501 0.08296 0.00533
72 0.08246 0.00563 0.08313 0.00535
73 0.08495 0.00495 0.08330 0.00537
74 0.08342 0.00443 0.08346 0.00539
75 0.08276 0.00449 0.08363 0.00541
76 0.08464 0.00501 0.08380 0.00543
77 0.08539 0.00500 0.08396 0.00545
78 0.08332 0.00611 0.08412 0.00547
79 0.08376 0.00585 0.08428 0.00549
80 0.08543 0.00598 0.08444 0.00551
81 0.08406 0.00567 0.08460 0.00553
82 0.08355 0.00641 0.08476 0.00555
83 0.08542 0.00611 0.08492 0.00557
84 0.08407 0.00484 0.08508 0.00559
85 0.08533 0.00528 0.08533 0.00528