Area Converter

Convert between square meters, square kilometers, square centimeters, square feet, acres and hectares.

Value

From

The result updates as you type. Expressions such as 5.5 * 12 or 3/8 are accepted.

Result

1 ha = 2.471053815 ac

1\ \text{ha} = 2.47105381467\ \text{ac}

1 ha in every unit

Unit	Symbol	Value
Square centimeters	cm²	100000000
Square meters	m²	10000
Square kilometers	km²	0.01
Square inches	in²	15500031
Square feet	ft²	107639.1042
Acres	ac	2.471053815
Hectares	ha	1

About the Area Converter

Converts areas between metric and imperial/US units. One hectare is 10,000 m²; one acre is exactly 4,046.8564224 m² (43,560 square feet).

Type a value and the result updates immediately, together with a table showing the same quantity in every supported unit.

Limitations

Results are rounded to 15 significant digits to remove binary floating-point noise.

How to use it

Type the value to convert.
Choose the units to convert from and to; use the swap button to reverse them.
Copy the result, or export the full table as CSV.

Example

1 hectare → acres

→ 2.47105381467 ac

Formulas used

1\ \text{ha} = 10^{4}\ \text{m}^{2},\quad 1\ \text{ac} = 43\,560\ \text{ft}^{2}

Area factors are the squares of the corresponding length factors.

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Unit

Symbol

Value

Square centimeters

cm²

100000000

Square meters

m²

10000

Square kilometers

km²

0.01

Square inches

in²

15500031

Square feet

ft²

107639.1042

Acres

2.471053815

Hectares

About the Area Converter

Limitations

How to use it

Formulas used

Related tools

About the Area Converter

Limitations

How to use it

Formulas used