Well, darling, if you're feeling fancy, you could use metric and measure that hefty hippo in kilograms. But if you're more old school, you might opt for pounds in the good ol' imperial system. Either way, just make sure you have a strong scale and maybe a few snacks to keep that hippo happy while you weigh it.
feet
a centimeter
In the US, I would use yards.
Miligram
millimetres.
the unit of measurement for destiny
The SI unit for mass measurement is the kilogram (kg).
I would use feet.
Centimetres.
feet
A gram.
a centimeter
Feet.
A shoe.
I would use litres.
In the US, I would use yards.
You would use the measurement of "miles".