Converter
Area

Area Converters

Instantly convert between area units — square meters, square feet, acres, hectares, and more. All conversions use exact factors derived from international length standards.

Room Area Calculator

Length × Width with unit switching

Land Area Converter

Acres, hectares, m², ft² & common sizes

Metric ↔ Imperial

Square Meters → Square Feet

1 m² = 10.763910417 ft² (exact: 1/0.09290304)

Square Feet → Square Meters

1 ft² = 0.09290304 m² (exact)

Square Meters → Square Yards

1 m² ≈ 1.19599 yd²

Square Yards → Square Meters

1 yd² = 0.83612736 m² (exact)

Square Centimeters → Square Inches

1 cm² ≈ 0.155 in² (1 in² = 6.4516 cm² exact)

Square Inches → Square Centimeters

1 in² = 6.4516 cm² (exact)

Land & Distance Areas

Square Kilometers → Square Miles

1 km² ≈ 0.386102 mi²

Square Miles → Square Kilometers

1 mi² = 2.589988110336 km² (exact)

Acres → Square Meters

1 acre = 4,046.8564224 m² (exact)

Square Meters → Acres

1 m² ≈ 0.000247105 acres

Acres & Hectares

Hectares → Acres

1 ha ≈ 2.47105 acres (1 ha = 10,000 m²)

Acres → Hectares

1 acre ≈ 0.40469 ha (1 acre = 4,046.856 m²)

Hectares → Square Meters

1 ha = 10,000 m² (exact)

Square Meters → Hectares

1 m² = 0.0001 ha

Frequently Asked Questions

What is the SI unit of area?

The square meter (m²) is the SI unit of area. It is the area of a square with sides of 1 meter.

What is the difference between an acre and a hectare?

An acre is an imperial unit (4,046.86 m²) while a hectare is metric (10,000 m²). 1 hectare ≈ 2.471 acres.

How do I calculate the area of a room?

Multiply length by width in the same unit. For example, a 4m × 5m room = 20 m² ≈ 215 ft².

How are area units related to length units?

Area units are the square of length units. If 1 ft = 0.3048 m, then 1 ft² = 0.3048² = 0.09290304 m².

What is a square foot?

A square foot (ft²) is the area of a 1-foot × 1-foot square. It equals 0.09290304 m² and is widely used in US real estate.

How many square feet in an acre?

1 acre = 43,560 square feet.