Measurement: length

First object	Value
1 cm	0.01 m
1 m	1 m

0.01 ÷ 1 ≈ 0.01

Sources & method

Bars compare exact metric lengths in metres; they are not area comparisons.

Ratio = first value ÷ second value. For areas, side lengths use the square root of the area ratio. Diameter and height use a linear scale.

BIPM · SI Brochure

Choose another pair, swap objects or enter a custom reference. Shared links preserve your settings; SVG downloads preserve the labels and exact values.

Updated 22 October 2026 · Denny Lim

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Pick your perspective