Square Centimeter to Acre Conversion Calculator: Free Online Tool

Convert square centimeters to acres with our free online area converter.

From:

cm²

Square Centimeter

To:

Acre

How to Use the Calculator:

Enter the value you want to convert in the 'From' field (Square Centimeter).
The converted value in Acre will appear automatically in the 'To' field.
Use the dropdown menus to select different units within the Area category.
Click the swap button (⇌) to reverse the conversion direction.

How to Convert Square Centimeter to Acre

Converting Square Centimeter to Acre involves multiplying the value by a specific conversion factor, as shown in the formula below.

Formula:

1 Square Centimeter = 2.4711e-8 acres

Example Calculation:

Convert 10 square centimeters: 10 × 2.4711e-8 = 2.4711e-7 acres

Note: Conversion factors can sometimes be rounded for display purposes. For precise calculations, always use the full factor or rely on the calculator above.

What is a Square Centimeter and a Acre?

The square centimeter (symbol: cm²) is a unit of area in the metric system. It represents the area of a square with sides that are each one centimeter long.

The acre (symbol: ac) is a unit of land area used in the imperial and US customary systems. It is traditionally defined as the area of one chain by one furlong (66 by 660 feet), which is exactly equal to 1/640 of a square mile, 43,560 square feet, or about 4,047 square meters.

Note: The Square Centimeter is part of the metric (SI) system, primarily used globally in science and trade. The Acre belongs to the imperial/US customary system.

History of the Square Centimeter and Acre

Derived directly from the centimeter (one-hundredth of a meter), the square centimeter became a standard small-scale unit of area with the adoption of the metric system during the French Revolution. It provides a finer measurement than the square meter for smaller objects.

The acre originated in medieval England as the amount of land tillable by one man behind one ox in one day. Its size varied historically but was standardized under the Weights and Measures Act of 1878 in the UK. It remains a common unit for land measurement in several countries, especially for agricultural and large residential plots.

Common Uses for square centimeters and acres

Explore the typical applications for both Square Centimeter (metric) and Acre (imperial/US) to understand their common contexts.

Common Uses for square centimeters

Science: Measuring the surface area of small samples, cross-sectional areas in biology or material science.
Medical Imaging: Often used to measure the area of lesions, organs, or specific regions in scans (e.g., MRI, CT).
Education: Used in geometry problems and science experiments for teaching area concepts at a smaller scale.
Manufacturing: Specifying the area of small components or surface features.

Common Uses for acres

Land Measurement (US/UK etc.): Standard unit for measuring plots of land, especially farms, large residential lots, and undeveloped land in the US, UK, Canada, Australia, India, and other Commonwealth countries.
Real Estate: Used in property listings and surveys for land parcels.
Agriculture: Common unit for describing farm sizes and field areas.

Frequently Asked Questions

Questions About Square Centimeter (cm²)

How many square millimeters are in a square centimeter?

There are 100 square millimeters (mm²) in one square centimeter (10 mm x 10 mm).

How many square centimeters are in a square meter?

There are 10,000 square centimeters in one square meter (100 cm x 100 cm).

How many square inches are in a square centimeter?

One square centimeter is approximately 0.155 square inches.

Is cm² commonly used for large areas?

No, cm² is used for very small areas. Square meters (m²) or hectares (ha) are used for larger land or floor areas.

About Acre (ac)

How big is an acre visually?

An acre is roughly 90% of the size of an American football field (including the end zones).

How many square feet are in an acre?

There are exactly 43,560 square feet in one acre.

How many acres are in a hectare?

One hectare contains approximately 2.471 acres.

Is the acre used worldwide?

While common in the US, UK, and Commonwealth countries, it is not part of the metric system (SI) and is less common globally than the hectare or square meter for land measurement.

Conversion Table: Square Centimeter to Acre

Square Centimeter (cm²)	Acre (ac)
1	0
5	0
10	0
25	0
50	0
100	0
500	0
1,000	0

All Area Conversions

Square Meter to Square Kilometer Square Meter to Square Centimeter Square Meter to Square Millimeter Square Meter to Square Inch Square Meter to Square Foot Square Meter to Square Yard Square Meter to Square Mile Square Meter to Acre Square Meter to Hectare Square Kilometer to Square Meter Square Kilometer to Square Centimeter Square Kilometer to Square Millimeter Square Kilometer to Square Inch Square Kilometer to Square Foot Square Kilometer to Square Yard Square Kilometer to Square Mile Square Kilometer to Acre Square Kilometer to Hectare Square Centimeter to Square Meter Square Centimeter to Square Kilometer Square Centimeter to Square Millimeter Square Centimeter to Square Inch Square Centimeter to Square Foot Square Centimeter to Square Yard Square Centimeter to Square Mile Square Centimeter to Hectare Square Millimeter to Square Meter Square Millimeter to Square Kilometer Square Millimeter to Square Centimeter Square Millimeter to Square Inch Square Millimeter to Square Foot Square Millimeter to Square Yard Square Millimeter to Square Mile Square Millimeter to Acre Square Millimeter to Hectare Square Inch to Square Meter Square Inch to Square Kilometer Square Inch to Square Centimeter Square Inch to Square Millimeter Square Inch to Square Foot Square Inch to Square Yard Square Inch to Square Mile Square Inch to Acre Square Inch to Hectare Square Foot to Square Meter Square Foot to Square Kilometer Square Foot to Square Centimeter Square Foot to Square Millimeter Square Foot to Square Inch Square Foot to Square Yard Square Foot to Square Mile Square Foot to Acre Square Foot to Hectare Square Yard to Square Meter Square Yard to Square Kilometer Square Yard to Square Centimeter Square Yard to Square Millimeter Square Yard to Square Inch Square Yard to Square Foot Square Yard to Square Mile Square Yard to Acre Square Yard to Hectare Square Mile to Square Meter Square Mile to Square Kilometer Square Mile to Square Centimeter Square Mile to Square Millimeter Square Mile to Square Inch Square Mile to Square Foot Square Mile to Square Yard Square Mile to Acre Square Mile to Hectare Acre to Square Meter Acre to Square Kilometer Acre to Square Centimeter Acre to Square Millimeter Acre to Square Inch Acre to Square Foot Acre to Square Yard Acre to Square Mile Acre to Hectare Hectare to Square Meter Hectare to Square Kilometer Hectare to Square Centimeter Hectare to Square Millimeter Hectare to Square Inch Hectare to Square Foot Hectare to Square Yard Hectare to Square Mile Hectare to Acre