How big is Washington Monument?
For this comparison, Washington Monument measures 169.3 m in height (555.4 ft). Historical monument height rounded to 169.29 m.
A tapered obelisk is a useful example of a tall structure with a narrow footprint.
Put the measurement in perspective
The recorded height is 99.582 times the height of A 1.70 m person (1.7 m). This is a ratio of the labelled linear dimensions. It does not describe weight, area or volume.
Use the interactive comparison to see both drawings on one shared scale. You can choose another reference or enter your own height. If the sizes are very far apart, the smaller object may be almost invisible; an intermediate reference makes the progression easier to inspect.
Measurement source
Official monument or site operator
The note above explains the specific value selected. Drawings are schematic; the stated measurement determines the scale. Report a measurement issue.
Check the convention
The selected measurement may include an antenna, spire, pedestal or bridge approaches. A roof height or main-span figure would answer a different question.
Read our methodology for the selection and scoring rules. Practise these dimensions in the landmarks size guessing game.