Units made clear

Square metre vs square foot

What are they, and what does the difference actually look like?

Two things. One honest scale.

Meet the pair

What these two things are

1 square metre

The quantity is exact as entered.

1 m²Area

1 square foot

The quantity is exact as entered.

929 cm²Area

1 square metre has about 10.8 times the area of 1 square foot.

True area
Area ratio · 10.8 : 1
01
1 square metre1 m²Area
02
1 square foot929 cm²Area
Known rectangular footprints keep their physical sides. Other shapes are equal-area squares, not maps. Overlap compares area; it does not prove a physical fit.
Measurements, assumptions & sources +

1 square metre

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

NIST — SI conversion factors

1 square foot

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

NIST — SI conversion factors

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Measurement details

Why these numbers?

The visual compares area with area. The records below preserve each value’s basis and caveats.

1 square metre

1 m²

Area · definition

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

1 square foot

929 cm²

Area · definition

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

Comparing
Area ↔ Area
Relative size
1 square metre is larger on this measurement by a factor of about 10.8.

How to read the visual

The labelled spans and stored measurements determine the scale; unmeasured illustration details do not.

Area grows with the square of length. A square metre is about 10.8 square feet, because a metre is about 3.28 feet.

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