Reference chart
Square Feet to Square Meters Chart
Look up common square-foot areas in square meters for rooms, floors, walls and site planning.
Open chart →Measurement converter
Area Converter: Square Feet, Square Meters, Acres & More
Convert a measured surface or site area between common US and Metric units. Keep the geometry on its calculator page; use this tool when plans, suppliers or documents express the same area in a different unit.
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Reference chart
Square Yards to Square Feet Chart
Convert 1–20 square yards to square feet for flooring, landscaping and material coverage lookup.
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Acres to Square Feet & Square Meters Chart
Look up common acre values in square feet and square meters for lawns, lots and landscaping plans.
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Rectangular Room Area Lookup Chart
Look up floor area for a set of rectangular room dimensions in square feet and square meters.
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Measurement
Square Footage Calculator
Calculate rectangular square feet or square meters from length and width without adding room perimeter, wall height or material-package assumptions.
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 →Lawn & GardenSod Calculator
Estimate sod coverage and whole rolls, pieces or pallets from lawn area plus waste; use Sod Cost Calculator when the main question is material budget.
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