Some commercial leases charge by the usable square feet, others charge rentable square feet. Learn the formulas to calculate what your rent is.

Convert Square Inches to Square Feet,Area Conversions. A square inch is a unit of area equal to a square that is one inch on a side.. It is equal to 1/144th of a square foot, or 6.4516 square centimeters.

Estimate the area per parking stall that is appropriate for the site. Typical ranges for surface parking lots are 300 to 350 square feet per parking stall, which includes the area required for the parking stall and drive aisles.

The calculation of square feet, square yards and square inches is among the most common of the math operations you’ll use in home building and remodeling. It’s also one of the easiest to apply.

Multiply the width by the length to get the square footage of a square or rectangular room. But what if you have odd shapes rooms or want to measure cubic feet?

Often, it’s much easier to measure perimeter than area of real-world objects like circles and squares. Once you know the perimeter, you can use basic calculations to convert that measurement to area.

You can calculate your home’s Exterior Square Feet with this square feet calculator.

When you first learned to calculate two-dimensional area, you probably practiced with squares and rectangles, using the simple formula of length times width. There’s a simple formula for calculating the area of a circle, too, but first …

Use our free calculator to calculate the area of your land or property.

The Acre Calculator will instantly calculate the acreage of any plot of land if you just enter in the width of the land in feet and the length of the land in feet.