Weighing scales (or weigh scales or scales) are devices to measure weight or calculate mass.
Child maintenance calculator. Use the calculator to agree on a child maintenance amount if youâre arranging it yourselves, or to get an idea of the statutory amount the government would work out for you (including collection and application fees).Donât use the calculator if you have a â1993 schemeâ or â2003 schemeâ case.se the calculator to agree on a child maintenance amount if youâre arranging it yourselves, or to get an idea of the statutory amount the government would work out for you (including collection and application fees).
Maternal and Child Health nurses use percentile charts from the World Health Organisation for children between 0 and 24 months of age, which measure: 1  Boys: weight for age and length. 2  Girls: weight for age and length. 3  Boys and girls head circumference.MI is calculated using height and height measurements, then used to compare a childâs weight relative to height with other children of the same age and gender, using BMI percentile charts. The following equation can be used to determine BMI: BMI = Weight (kg) / height (m) Height (m).