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Length & distance

Just how long is 500 metres?

Human scale

500 m

Scale
500 metres

The quantity is exact as entered.

500 mLength
0 - shared origin
Sydney Harbour Bridge

Sydney Harbour Bridge is a steel arch bridge in Sydney, Australia, connecting the city centre with the North Shore.

503 mMain arch span
0 - shared origin

Both rulers start at the same zero and share one linear scale. Artwork keeps its original proportions. A ruler represents the selected distance or a measurement not visible in this view.

A little perspective

The main arch span of Sydney Harbour Bridge is about 1.01 times 500 metres.

Measurements, assumptions & sources +

500 metres

Length: 500 m; definition.

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

NIST — SI conversion factors

Sydney Harbour Bridge

Main arch span: 503 m; specified; range 502 m–504 m.

The selected measurement is the approximately 503 m main steel arch span, not total approach length.

Transport for NSW — Sydney Harbour Bridge

The marked main arch span is calibrated. Unmeasured illustration details are representative.

Measurement details

Why these numbers?

Compare 500 metres with the main arch span of Sydney Harbour Bridge. The notes below explain how each value was chosen.

500 metres

500 m

Length · definition

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

Sydney Harbour Bridge

503 m

Main arch span · specified · range 502 m–504 m

The selected measurement is the approximately 503 m main steel arch span, not total approach length.

Comparing
Length ↔ Main arch span
Relative size
The main arch span of Sydney Harbour Bridge is about 1.01 times 500 metres. The main arch span of Sydney Harbour Bridge is approximately 0.6% greater than 500 metres.

How to read the visual

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

  • We use 503 m for the main arch span of Sydney Harbour Bridge; the recorded range is 502 m–504 m.

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

1,640.4 ftfeet
0.31069 mimiles
3.3423 × 10⁻⁹ AUastronomical units
5.285 × 10⁻¹⁴ lylight-years

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