For first 3 months............................................45-50

For second 3 months.........................................40-45

For third 3 months.........................:................. 40

For fourth 3 months..........................................35-40

For 2d year.................................................. 40

For 3rd and 4th years........................................35-40

For 5th year.................................................35-37

For 6th year................................................34-35

For 7th year.................................................32-34

For 8th year.................................................30-35

For 10th to 12th years........................................28-32

For 12th to 14th years........................................25-30

For 14th to 17th years..........................20-25

A simple way of estimating adult needs is as follows:

The average adult spends:

At complete rest.............................................14-16

Light exercise................................................16-18

Moderate exercise............................................18-20

Hard exercise................................................20-23

The 100-calorie portion is the short cut in dietary calculations. With the knowledge of 100-calorie portions of common foods, it is very simple to estimate the fuel value of a given meal or of a day's meals. Plate XVI and Tables XVI to XXI will be of service in learning to make this estimate.