1 mL = 1 cm3
1 milliliter is the same volume as 1 cubic centimeter.
1 mL of water has a mass of approximately 1 g
The mass of 1 milliliter of water is approximately 1 gram.
1 L of water has a mass of approximately 1 kg
The mass of 1 liter of water is therefore approximately 1 kilogram.
1 m3 of water has a mass of approximately 1 t
There are 1000 liters in a cubic meter, so the mass of 1 cubic meter of
water is approximately 1000 kilograms or 1 metric ton.
The mass of a nickel is 5 g
A US nickel weighs 5 grams, and a penny weighs
2.5 grams.
A typical doorknob is 1
m high
Although there's no precise standard for
doorknob heights, they're often about 1 meter above the floor.
The diameter of a CD or DVD is 12 cm
A CD or DVD is 12 centimeters (120
millimeters) across. The diameter of the center hole is
15 millimeters.
1 ha is 1002 m2
1 hectare is 10 000
square meters, equivalent to the area of a square 100 meters on a
side. A football field is about 100 meters long, so imagine a
square the length of a football field on each side, and
that's 1 hectare.
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