Reference chart
Fractional Inch to Decimal & Millimeter Chart
Look up common sixteenth-inch fractions as decimal inches and millimeters for project measurements and product dimensions.
Open chart →Measurement converter
Length & Dimension Converter: Feet, Inches, Meters & More
Convert one project dimension across common US and Metric length units. Use it to reconcile plans, product labels and field measurements before opening the calculator that uses the dimension.
Converted value—
Quick values
Lookup reference
Scan common values
Reference chart
Feet & Inches to Centimeters Chart
Quickly look up common whole-foot and half-foot measurements in inches and centimeters.
Open chart →Use the converted measurement
Continue to a project calculator
Measurement
Linear Feet Calculator
Calculate total linear footage from repeated segments and estimate whole stock pieces with an optional waste allowance in US or Metric units.
Open calculator →MeasurementRoom Area Calculator
Calculate one rectangular room’s floor area and perimeter in US or Metric units so both measurements can feed flooring, trim and other room-planning decisions.
Open calculator →Walls & CeilingsWall Area Calculator
Estimate gross and net wall area from room dimensions, height, doors and windows in US or Metric units.
Open calculator →