Leaning Tower of Pisa
The Leaning Tower of Pisa is a medieval freestanding bell tower in Pisa, Italy, famous for its unintended tilt.
Also known as: Tower of Pisa, Pisa leaning tower
How big is it?
56 m · overall height
Also 183.7 ft
Overall height · approximate
Typical recorded range: 55.5 m to 56.7 m.
A little perspective
Leaning Tower of Pisa vs Tower Bridge: length comparison
The central span between tower centres of Tower Bridge is about 1.09 times the overall height of the Leaning Tower of Pisa.
The Leaning Tower of Pisa is a medieval freestanding bell tower in Pisa, Italy, famous for its unintended tilt.
Tower Bridge is a combined bascule and suspension bridge crossing the River Thames in central London.
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 +
Leaning Tower of Pisa
Overall height: 56 m; approximate; range 55.5 m–56.7 m.
The freestanding bell tower is represented by a rounded 56 m base-to-top height. The top is not level and published heights differ slightly by side and convention.
Opera della Primaziale Pisana — Leaning Tower
The marked overall height is calibrated. Unmeasured illustration details are representative.
Tower Bridge
Central span between tower centres: 61 m; specified; range 60 m–62 m.
The selected measurement is Tower Bridge’s approximately 61 m central bascule span between its two main towers, not the full bridge and approaches.
The marked central span between tower centres 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 56 m
We compare the overall height of the Leaning Tower of Pisa. This is an estimate; check the notes for its rounding and uncertainty. The recorded range is 55.5 m to 56.7 m.
The freestanding bell tower is represented by a rounded 56 m base-to-top height. The top is not level and published heights differ slightly by side and convention.
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 |
|---|---|---|---|
| 56 m | 55.5 m to 56.7 m | approximate |
Around this scale
Explore nearby values.
Compare examples with lower, similar and higher values. Each card names the measurement being compared.
Nearest lower valuePlaces and natural featuresNiagara Falls51 mHorseshoe Falls vertical dropNiagara Falls is a group of three waterfalls on the Niagara River between Canada and the United States.
Around the same scaleVehicles and transportConcorde62.1 mOverall lengthConcorde was a supersonic passenger airliner developed by British and French manufacturers that could travel faster than the speed of sound.
Nearest higher valueBuildings and structuresTower Bridge61 mCentral span between tower centresTower Bridge is a combined bascule and suspension bridge crossing the River Thames in central London.Sources and method
Want to check the number?
The source records and measurement method remain available for inspection.
- Opera della Primaziale Pisana — Leaning TowerThe tower is roughly 56 m high; published side-specific heights differ because it leans.
There’s always another scale
Follow your curiosity.
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