Enter a value, select the source and target units, and convert. Results also update while you type. Swap units keeps the entered value. Common examples fill the calculator for you. Copy copies the numeric result only.
Good to know
Area factors are squared: 1 ft² = 0.09290304 m². This acre is 43,560 international square feet, or 4,046.8564224 m². Survey-foot-based property records can use different historical factors.
