Fat quarter: 18×21″ (added 4/15/15)
Fat eighth: 9×21″ (added 4/15/15)
In quilting how-to, such a projects, or when referring to quilting products and materials, use straight quotation marks (“) for inch/inches.
Cut it into 2″ squares.
Alternate their lengths from 1″–11⁄2″.
Spell out common units of measure in narrative copy, such as profiles and other features.
The package contains 14 ounces.
The table stands 26 inches high.
The drawer is 18 inches deep.
The room measures 160 square feet.
Spell out lengthy units of measure on first use, and follow them with their abbreviations in parentheses. Use abbreviations in subsequent references.
The capacity of each size is measured in cubic feet per minute (cfm). A 5×9-foot bath would need at least a 48-cfm fan.
They said their power company charges too much per kilowatt-hour (kwh). The charge is 7 cents per kwh.
Always use mph and rpm when preceded by figures.
Do not use a comma in phrases such as:
2 feet 6 inches
Use Dimension X to connect numbers in a measurement.
12×45″ fabric strip
Hyphenate a measurement used as an adjective.
The 5-foot-7-inch sofa
In measurements, use linear foot not lineal foot.