CN Tower
The CN Tower is a telecommunications and observation tower in Toronto, Canada.
How big is it?
553.3 m tall
Also 1,815 ft
Height · rounded landmark reference

A little perspective
CN Tower vs Sydney Harbour Bridge: length comparison
The height of the CN Tower is about 1.1 times the main arch span of Sydney Harbour Bridge.
Sydney Harbour Bridge is a steel arch bridge in Sydney, Australia, connecting the city centre with the North Shore.
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.
Measurements, assumptions & sources +
CN Tower
Height: 553.3 m; rounded landmark reference.
553.33 m total-height reference.
Defined examples — our methodology
The marked height is calibrated. Unmeasured illustration details are representative.
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.
Use the visual comparison to explore its scale, then check the measurements and sources.
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Why this measurement?
Why we use 553.3 m
We compare the height of the CN Tower. This is a rounded comparison value; check the notes for its source and scope.
553.33 m total-height reference.
The marked vertical span follows the measured feature, not the edges of the image. How calibrated comparisons work →
Recorded properties
Dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 553.3 m | Not recorded | rounded landmark reference |
Around this scale
Explore nearby values.
Compare examples with lower, similar and higher values. Each card names the measurement being compared.
Nearest lower valueBuildings and structuresSydney Harbour Bridge503 mMain arch spanSydney Harbour Bridge is a steel arch bridge in Sydney, Australia, connecting the city centre with the North Shore.
Around the same scaleBuildings and structuresBrooklyn Bridge486.3 mMain span between tower centresThe Brooklyn Bridge is a suspension bridge spanning the East River between Manhattan and Brooklyn in New York City.
Nearest higher valueBuildings and structuresBurj Khalifa828 mHeightBurj Khalifa is a skyscraper in Dubai, United Arab Emirates, completed in 2010.Sources and method
Want to check the number?
The source records and measurement method remain available for inspection.
More ways to see it
Curated comparisons
There’s always another scale




