What is being measured?
National Park Service maximum-height reference. Uses the 630-foot figure rather than the page’s rounded metric counterpart.
Use the named object, variant and dimension. A manufactured or natural object can differ from this reference.
- Dimension
- maximum height
- Reference value
- 630 ft
- Evidence
- Published reference measurement
- In metres
- 192.0240 m
Put the length in perspective
One Gateway Arch represents approximately 2,240 card lengths measured end to end. This is a length ratio; it does not calculate how the objects pack or fit.
Gateway Arch · 192.0240 m
Metre · 1 m
Foot (international) · 0.3048 m · too small to see