Share this page:

Convert acres to square meters, square meters to acres

Convert acres to m2

acres
m2

Convert m2 to acres

m2
acres

How to convert acres to m2: Use the conversion calculator titled "Convert acres to m2". Enter a value in the acres field and click on the "Calculate square m" button. Your answer will appear in the m2 field.

How to convert m2 to acres: Use the conversion calculator titled "Convert m2 to acres". Enter a value in the m2 field and click on the "Calculate acres" button. Your answer will appear in the acres field.

Conversion Definitions

The following is a list of definitions relating to conversions between acres and square meters.

What is an acre (ac)?

An acre is a unit of area in both US Customary Units as well as the Imperial System. The symbol for acre is ac. There are 4,840 square yards in an acre or 43,560 square feet in an acre.

What is a square meter (m2)?

A square meter is a unit of area in the Metric System. The symbol for square meter is m2. There are 10,000 square meters in a hectare, or 1,000,000 square meters in a square kilometer. A square meter is calculated as the area of a square that has 1 meter on each side. The International spelling is square metre.

Understanding the Area Units

This table provides a summary of the Area units within their respective measurement systems.

Unit Symbol Measurement System Description
square inches in2 or sq in US Customary Units (and Imperial)  
square feet ft2 or sq ft US Customary Units (and Imperial) 1 ft2 = 144 in2
square yards yd2 or sq yd US Customary Units (and Imperial) 1 yd2 = 9 ft2
acres ac US Customary Units (and Imperial) 1 ac = 4,840 yd2
square miles mi2 or sq mi US Customary Units (and Imperial) 1 mi2 = 640 ac
square millimeters mm2 Metric System
square centimeters cm2 Metric System 1 cm2 = 100 mm2
square decimeters dm2 Metric System 1 dm2 = 100 cm2
square meters m2 Metric System 1 m2 = 100 dm2
hectares ha Metric System 1 ha = 10,000 m2
square kilometer km2 Metric System 1 km2 = 100 ha