per day

Infants require 40-50 C.
Growing Children 30-40 C.
Adults (depending upon activity) 15-20 C.
Old age requires 15 or less C.

_In Round Numbers for the Day_

Child 2-6 1000 to 1600 C. per day
Child 6-12 1600 to 2500 C. per day
Youth 12-18 2500 to 3000 C. per day

[Sidenote: _Growth Demands_]

(Remember that in general the boy needs as much as his father, and the
girl as much as her mother.)

MAN (per day):

At rest 1800 to 2000 C.
Sedentary 2200 to 2800 C.
Working 3500 to 4000 C.

WOMAN (per day):

At rest 1600 to 1800 C.
Sedentary occupations
(bookkeeper, etc.) 2000 to 2200 C.
Occupations involving