Rearrange the units of distance below, ordered from smallest to largest:


m,  mm,  μm,  km,  nm,  cm

(smallest) nm,  μm,  mm,  cm,  m,  km (largest)

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Convert 1 millimetre (mm) to metres (m). Give the answer in standard form.

1×10−3 m

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Convert 1 micrometre (μm) to metres (m). Give the answer in standard form.

1×10−6 m

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Convert 1 nanometre (nm) to metres (m). Give the answer in standard form.

1×10−9 m

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How many mm are there in 1 cm?

There are 10 mm in 1 cm.

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How many nm are there in 1 μm?

There are 1000 nm in 1 μm.

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Convert 20 mm to μm.

20 mm is 20,000 μm

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Convert 340 nm to μm.

340 nm is 0.34 μm

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Convert 2.4 cm to mm.

2.4 cm is 24 mm.

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