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Reference charts
Concrete Bag ChartCubic yards and 80, 60 and 40 lb bags of concrete for common slab sizes 4, 5 and 6 inches thick, plus bags per cubic yard.
Stair Riser ChartNumber of risers, riser height, treads and total run for total rises from 12" to 12 ft, with a 7 3/4" maximum riser and 10" treads (IRC R311.7.5).
Roof Pitch ChartRoof pitches from 1/12 to 12/12 in degrees, with the slope factor, the common rafter length per foot of run and the hip and valley factors.
Board Foot ChartBoard feet for 1x, 2x and timber sizes from 8 to 16 ft long, plus board feet per linear foot of 4/4 to 12/4 hardwood.
Fraction to Decimal ChartEvery 1/64" from 1/64 to 1 inch as a decimal inch and in millimeters, plus decimals rounded to the nearest 1/8, 1/16 and 1/32 like a tape measure.
Inches to Feet ChartInches to decimal feet (1" = 0.0833 ft) and 1 to 120 inches in feet and inches, plus sixteenths of an inch and decimal feet back to inches.
mm to Inches Chart1 to 100 millimeters in decimal inches and to the nearest 1/16", plus common metric sizes up to 3 m in feet and inches.