You would use kilograms (kg) to measure someone's mass in metric units.
The same units that you use for length and distance. For example, the SI unit would be the meter.
To measure a soccer field in the metric system, you would use a metric measuring tape or a measuring wheel. The units used could be meters or centimeters. In the English system, you would use a tape measure or a measuring wheel calibrated in feet or yards. The units used would be feet or yards.
mm (millimeters)
Eight to ten (8-10) millimeters, which is 0.3-0.4 inches, is the size of a ladybug.Specifically, the ladybug is an attractive beetle and beneficial insect within the family Coccinellidae. Many cultivators and gardeners recognize the ladybug beetle by its generally bright colors and rounded shape. Pests such as aphids, mealybugs and scale insects will not feel quite so welcoming of a farm's, garden's or lawn's most enthusiastic defender and their most voracious predator.
One of those mini rulers
You would use kilograms (kg) to measure someone's mass in metric units.
What measure of units would you use to measure the thickness of a phone book
There are no "following" units, but I would use metres.
Millimetres would be better, as centimetres would be too long for a short ladybird (UK name).
I would suggest centimeters but lots of people use inches.
Feet and inches
Ounces
The same units that you use for length and distance. For example, the SI unit would be the meter.
miles
The square meter.
A ruler