Right. According to the actual life experience, a banana weighs about 220g, which can be used as a unit.

Gram, the unit of mass, symbol g. One gram is the mass of18×14074481c-12 atoms. The weight of one gram is approximately equivalent to the weight of one cubic centimeter of water at room temperature.

Extended data

Commonly used mass units are: microgram (ug), milligram (mg), gram (g), kilogram (kg), ton (t) and so on.

1 ton = 1,000,000 grams (one million grams)

1 kg (1 kg) =11,000 g (1 kg)

1 kg = 500g (1 g = 0.002 kg)

1 mg = 0.00 1 g (1 g = 1000 mg)

1 μ g = 0.000 00 1 g (1 g = 1000000 μ g)

1 nanogram = 0.0000000 1 gram (1gram = 1000000000 nanogram)

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