Pedagogical Anthropology

by Maria Montessori

Age in years	1	2	3
Stature in metres	0.696	0.797	0.860
Index of stature	65	63	62
Weight in kilograms	10	12	13.21
Ponderal index	30.9	28.7	27.5
Maximum circumference of head in millimetres.	440	471	486
Age in years	4	5	6
Stature in metres	0.932	0.990	1.046
Index of stature	60	59	57
Weight in kilograms	15	16.70	18.04
Ponderal index	26.5	25.8	25.1
Maximum circumference of head in millimetres.	496	503	508
Age in years	7	8	9
Stature in metres	1.112	1.170	1.227
Index of stature	56	55	55
Weight in kilograms	20.16	22.26	24.09
Ponderal index	24.4	24	23.5
Maximum circumference of head in millimetres.	513	519	523
Age in years	10	11	12
Stature in metres	1.282	1.327	1.359
Index of stature	54	53	53
Weight in kilograms	26.12	27.85	31
Ponderal index	23.1	22.8	23.1
Maximum circumference of head in millimetres.	527	531	535
Age in years	13	14	15
Stature in metres	1.403	1.487	1.559
Index of stature	52	52	51
Weight in kilograms	35.32	40.50	46.41
Ponderal index	23.4	23.1	23.1
Maximum circumference of head in millimetres.	539	543	547
Age in years	16	17	18
Stature in metres	1.610	1.670	1.700
Index of stature	51	52	52
Weight in kilograms	53.39	57.40	61.26
Ponderal index	23.4	23.1	23.2
Maximum circumference of head in millimetres.	551	555	561

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TABLES OF CALCULATIONS

I
Tables For Calculating the Cephalic Index

CALCULATIONS OF THE CEPHALIC INDEX

Antero-posterior diameters from 160 to 174 mm.; bilateral diameters from 120 to 159 mm.

Bilateral diameters in millimetres	Antero-posterior diameters, in millimetres
	160	161	162	163	164	165	166	167	168	169	170	171	172	173	174
120	75	75	74	74	73	73	72	72	71	71	71	70	70	69	69
121	76	75	75	74	74	73	73	72	72	72	71	71	70	70	70
122	76	76	75	75	74	74	73	73	73	72	72	71	71	71	70
123	77	76	76	75	75	75	74	74	73	73	72	72	72	71	71
124	77	77	77	76	76	75	75	74	74	73	73	73	72	72	71
125	78	78	77	77	76	76	75	75	74	74	74	73	73	72	72
126	79	78	78	77	77	76	76	75	75	75	74	74	73	73	72
127	79	79	78	78	77	77	77	76	76	75	75	74	74	73	73
128	80	80	79	79	78	78	77	77	76	76	75	75	74	74	74
129	81	80	80	79	79	78	78	77	77	76	76	75	75	75	74
130	81	81	80	80	79	79	78	78	77	77	76	76	76	75	75
131	82	81	81	80	80	79	79	78	78	78	77	77	76	76	75
132	82	82	81	81	80	80	80	79	79	78	78	77	77	76	76
133	83	83	82	82	81	81	80	80	79	79	78	78	77	77	76
134	84	83	83	82	82	81	81	80	80	79	79	78	78	77	77
135	84	84	83	83	82	82	81	81	80	80	79	79	78	78	78
136	85	84	84	83	83	82	82	81	81	80	80	80	79	79	78
137	86	85	85	84	84	83	83	82	82	81	81	80	80	79	79
138	86	86	85	85	84	84	83	83	82	82	81	81	80	80	79
139	87	86	86	85	85	84	84	83	83	82	82	81	81	80	80
140	87	87	86	86	85	85	84	84	83	83	82	82	81	81	80
141	89	88	87	87	86	85	85	84	84	83	83	82	82	82	81
142	89	88	88	87	87	86	86	85	85	84	84	83	83	82	82
143	89	89	88	88	87	87	86	86	85	85	84	84	83	83	82
144	90	89	89	88	88	87	87	86	86	85	85	84	84	83	83
145	91	90	90	89	88	88	87	87	86	86	85	85	84	84	83
146	91	91	90	90	89	88	88	87	87	86	86	85	85	84	84
147	92	91	91	90	90	89	89	88	87	87	86	86	85	85	84
148	92	92	91	91	90	90	89	89	88	88	87	87	86	86	85
149	93	93	92	91	91	90	90	89	89	88	88	87	87	86	86
150	94	93	93	92	91	91	90	90	89	89	88	88	87	87	86
151	94	94	93	93	92	92	91	90	90	89	89	88	88	87	87
152	95	94	94	93	93	92	92	91	90	90	89	89	88	88	87
153	96	95	94	94	93	93	92	92	91	91	90	89	89	88	88
154	96	96	95	94	94	93	93	92	92	91	91	90	90	89	89
155	97	96	96	95	95	94	93	93	92	92	91	91	90	90	89
156	97	97	96	96	95	95	94	93	93	92	92	91	91	90	90
157	98	98	97	96	96	95	95	94	93	93	92	92	91	91	90
158	99	98	98	97	96	96	95	95	94	93	93	92	92	91	91
159	99	99	98	98	97	96	96	95	95	94	94	93	92	92	91