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Length & distance

Just how long is 200 metres?

Human scale

200 m

Scale
200 metres

The quantity is exact as entered.

200 mLength
0 - shared origin
Gateway Arch

The Gateway Arch is a stainless steel monument in St Louis, Missouri, commemorating the westward expansion of the United States.

192 mOverall height
0 - shared origin

Both rulers start at the same zero and share one linear scale. Artwork keeps its original proportions. Horizontal rulers compare the selected spans; vertical brackets also identify height on the artwork. A ruler represents the selected distance or a measurement not visible in this view.

A little perspective

200 metres is about 1.04 times the overall height of the Gateway Arch.

Measurements, assumptions & sources +

200 metres

Length: 200 m; definition.

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

NIST — SI conversion factors

Gateway Arch

Overall height: 192 m; specified; range 191 m–193 m.

The Gateway Arch rises approximately 192 m (630 ft) from ground to apex. Its width is also about 630 ft, but this entity defaults to height.

US National Park Service — Gateway Arch facts

The marked overall height is calibrated. Unmeasured illustration details are representative.

Measurement details

Why these numbers?

Compare 200 metres with the overall height of the Gateway Arch. The notes below explain how each value was chosen.

200 metres

200 m

Length · definition

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

Gateway Arch

192 m

Overall height · specified · range 191 m–193 m

The Gateway Arch rises approximately 192 m (630 ft) from ground to apex. Its width is also about 630 ft, but this entity defaults to height.

Comparing
Length ↔ Overall height
Relative size
200 metres is about 1.04 times the overall height of the Gateway Arch. 200 metres is approximately 4.17% greater than the overall height of the Gateway Arch.

How to read the visual

The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.

  • We use 192 m for the overall height of the Gateway Arch; the recorded range is 191 m–193 m.

This comparison follows the selected length only; other dimensions may differ.

656.17 ftfeet
0.12427 mimiles
1.3369 × 10⁻⁹ AUastronomical units
2.114 × 10⁻¹⁴ lylight-years

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