------------+------+------+------+------+------+------+------+------+------ Age. | | | | | | | | | Heat per | 5 ft.| 5 ft.| 5 ft.| 5 ft.| 5 ft.| 5 ft.| 6 ft.| 6 ft.| 6 ft. square meter| 0 in.| 2 in.| 4 in.| 6 in.| 8 in.|10 in.| 0 in.| 2 in.| 4 in. of surface | | | | | | | | | ------------+------+------+------+------+------+------+------+------+------ | Lbs.| Lbs.| Lbs.| Lbs.| Lbs.| Lbs.| Lbs.| Lbs.| Lbs. | Cals.| Cals.| Cals.| Cals.| Cals.| Cals.| Cals.| Cals.| Cals. 15 years | 107 | 112 | 118 | 126 | 134 | 142 | 152 | 162 | 172 44 calories |{1510}|{1584}|{1658}|{1753}|{1837}|{1922}|{2006}|{2096}|{2186} | | | | | | | | | 20 years | 117 | 122 | 128 | 136 | 144 | 152 | 161 | 171 | 181 40 calories |{1430}|{1498}|{1565}|{1647}|{1719}|{1796}|{1868}|{1949}|{2035} | | | | | | | | | 25 years | 122 | 126 | 133 | 141 | 149 | 157 | 167 | 179 | 189 40 calories |{1459}|{1517}|{1594}|{1671}|{1738}|{1820}|{1896}|{1992}|{2083} | | | | | | | | | 30 years | 126 | 130 | 136 | 144 | 152 | 161 | 172 | 184 | 196 40 calories |{1478}|{1536}|{1604}|{1685}|{1757}|{1839}|{1920}|{2007}|{2112} | | | | | | | | | 35 years | 128 | 132 | 138 | 146 | 155 | 165 | 176 | 189 | 201 40 calories |{1488}|{1556}|{1613}|{1695}|{1767}|{1853}|{1939}|{2035}|{2136} | | | | | | | | | 40 years | 131 | 135 | 141 | 149 | 158 | 168 | 180 | 193 | 206 40 calories |{1498}|{1565}|{1623}|{1709}|{1781}|{1863}|{1959}|{2055}|{2160} | | | | | | | | | 45 years | 133 | 137 | 143 | 151 | 160 | 170 | 182 | 195 | 209 40 calories |{1507}|{1570}|{1632}|{1719}|{1791}|{1872}|{1968}|{2064}|{2169} | | | | | | | | | 50 years | 134 | 138 | 144 | 152 | 161 | 171 | 183 | 197 | 211 40 calories |{1517}|{1575}|{1642}|{1724}|{1796}|{1881}|{1973}|{2074}|{2184} | | | | | | | | | 55 years | 135 | 139 | 145 | 153 | 163 | 173 | 184 | 198 | 212 37 calories |{1449}|{1485}|{1548}|{1620}|{1692}|{1773}|{1854}|{1949}|{2052} ------------+------+------+------+------+------+------+------+------+------ The basal metabolism of an average boy of thirteen years of age weighing 80 pounds and of a height of 4 feet, 10 inches, may be calculated as 1525 calories per day. This is the same as that of a man twenty-five years old, weighing 126 pounds and 5 feet, 2 inches tall.