What is the length of the long foot used at Stonehenge?
The long foot measures 12.672 inches or 0.3219 meters. Archaeologists found this unit in stone lintels and the southern circle diameter at Stonehenge.
Questions about Foot (unit)
Short answers, pulled from the story.
How did Roman standards for the foot differ from Greek measurements?
The standard Roman foot measured roughly 296 millimeters while Greek feet varied between 280 and 340 millimeters. Both cultures originally divided their feet into 16 digits before Romans later subdivided them into 12 inches.
When was the international foot officially defined as 0.3048 meters?
The international yard and pound agreement signed July 1959 defined the international foot as exactly 0.3048 meters. This value proved two parts per million shorter than previous US definitions and 1.7 parts per million longer than prior British definitions.
Which countries still use survey feet instead of the international foot today?
Forty out of fifty states and six other jurisdictions have legislated that surveying measures should be based on US survey foot. The United States and India continue to use these former definitions for mapping and state plane coordinate systems despite the 1959 international definition.
What is the width of ISO-standard shipping containers in feet?
All ISO-standard containers remain 8 feet wide today. International Organization for Standardization defines intermodal container dimensions using feet rather than meters for leading outside corner measurements.