Area Unit Converter: Convert Metric and Imperial Easily

Area Unit Converter

The Area Unit Converter is a user-friendly online tool, to convert Area Units. Metric and imperial units are supported,

Area Unit Converter

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Area Conversion Formulas between Imperial and Metric units

1. Square Inches to Square Centimeters

Formula: $\text{Square Centimeters} = \text{Square Inches} \times 6.4516$
Example: $10 \, \text{in}^2 \times 6.4516 = 64.516 \, \text{cm}^2$

2. Square Centimeters to Square Inches

Formula: $\text{Square Inches} = \text{Square Centimeters} \times 0.155$
Example: $50 \, \text{cm}^2 \times 0.155 = 7.75 \, \text{in}^2$

3. Square Feet to Square Meters

Formula: $Square Meters = Square Feet \times 0.092903$
Example: $200 \, \text{ft}^2 \times 0.092903 = 18.5806 \, \text{m}^2$

4. Square Meters to Square Feet

Formula: $\text{Square Feet} = \text{Square Meters} \times 10.7639$
Example: $30 \, \text{m}^2 \times 10.7639 = 322.917 \, \text{ft}^2$

5. Square Yards to Square Meters

Formula: $\text{Square Meters} = \text{Square Yards} \times 0.836127$
Example: $25 \, \text{yd}^2 \times 0.836127 = 20.9032 \, \text{m}^2$

6. Square Meters to Square Yards

Formula: $\text{Square Yards} = \text{Square Meters} \times 1.19599$
Example: $40 m^{2} \times 1.19599 = 47.8396 {yd}^{2}$

7. Acres to Square Meters

Formula: $\text{Square Meters} = \text{Acres} \times 4046.86$
Example: $2 \, \text{ac} \times 4046.86 = 8093.72 \, \text{m}^2$

8. Square Meters to Acres

Formula: $\text{Acres} = \text{Square Meters} \times 0.000247105$
Example: $5000 \, \text{m}^2 \times 0.000247105 = 1.23553 \, \text{ac}$

9. Acres to Hectares

Formula: $Hectares = Acres \times 0.404686$
Example: $3 ac \times 0.404686 = 1.21406 ha$

10. Hectares to Acres

Formula: $\text{Acres} = \text{Hectares} \times 2.47105$
Example: $1.5 \, \text{ha} \times 2.47105 = 3.70658 \, \text{ac}$

11. Square Miles to Square Kilometers

Formula: $\text{Square Kilometers} = \text{Square Miles} \times 2.58999$
Example: $4 \, \text{mi}^2 \times 2.58999 = 10.35996 \, \text{km}^2$

12. Square Kilometers to Square Miles

Formula: $\text{Square Miles} = \text{Square Kilometers} \times 0.386102$
Example: $15 \, \text{km}^2 \times 0.386102 = 5.79153 \, \text{mi}^2$

13. Square Millimeters to Square Centimeters

Formula: $\text{Square Centimeters} = \text{Square Millimeters} \times 0.01$
Example: $1000 \, \text{mm}^2 \times 0.01 = 10 \, \text{cm}^2$

14. Square Centimeters to Square Millimeters

Formula: $\text{Square Millimeters} = \text{Square Centimeters} \times 100$
Example: $20 \, \text{cm}^2 \times 100 = 2000 \, \text{mm}^2$

15. Square Meters to Square Kilometers

Formula: $\text{Square Kilometers} = \text{Square Meters} \times 0.000001$
Example: $3000000 \, \text{m}^2 \times 0.000001 = 3 \, \text{km}^2$

16. Square Kilometers to Square Meters

Formula: $\text{Square Meters} = \text{Square Kilometers} \times 1000000$
Example: $2.5 \, \text{km}^2 \times 1000000 = 2500000 \, \text{m}^2$

17. Square Feet to Square Centimeters

Formula: $\text{Square Centimeters} = \text{Square Feet} \times 929.03$
Example: $5 \, \text{ft}^2 \times 929.03 = 4645.15 \, \text{cm}^2$

18. Square Centimeters to Square Feet

Formula: $\text{Square Feet} = \text{Square Centimeters} \times 0.00107639$
Example: $8000 \, \text{cm}^2 \times 0.00107639 = 8.61112 \, \text{ft}^2$

19. Square Inches to Square Meters

Formula: $\text{Square Meters} = \text{Square Inches} \times 0.00064516$
Example: $300 \, \text{in}^2 \times 0.00064516 = 0.193548 \, \text{m}^2$

20. Square Meters to Square Inches

Formula: $\text{Square Inches} = \text{Square Meters} \times 1550$
Example: $1 m^{2} \times 1550 = 1550 {in}^{2}$

25 Square Meters to Square Feet conversion formula and examples

The conversion factor: of 1 square meter is equivalent to approximately 10.764 square feet.
Area in ft² = Area in m² × 10.764
Let’s convert 25 square meters to square feet –
Area in ft² = 25 × 10.764
Area in ft² = 269.10
So, 25 square meters is equivalent to approximately 269.10 square feet.

100 Acres to Square Miles conversion formula and examples

To convert acres to square miles, you can use the conversion factor of 1 acre being equivalent to

$\frac{1}{640}$ square miles.

The formula for this conversion is:

$Area in square miles = Area in acres \times \frac{1}{640}$

Let's convert 100 acres to square miles -

$Area in square miles = 100 \times \frac{1}{640}$

$Area in square miles = 0.15625$

So, 100 acres is equivalent to approximately 0.15625 square miles.

25 Square Miles to Hectares conversion formula and examples

The conversion factor of 1 square mile is equivalent to approximately 259.0 hectares.
The formula for this conversion is:
Area in hectares = Area in square miles × 259.0
Let’s convert 25 square miles to hectares –
Area in hectares = 25 × 259.0
Area in hectares = 6475.0
So, 25 square miles is equivalent to approximately 6475.0 hectares.

50 Square Kilometers to Square Miles conversion formula and examples

The conversion factor: of 1 square kilometer is equivalent to approximately 0.3861 square miles.
The formula for this conversion is:
Area in square miles = Area in square kilometers × 0.3861
Let’s convert 50 square kilometers to square miles:
Area in square miles = 50 × 0.3861
Area in square miles = 19.305
So, 50 square kilometers is equivalent to approximately 19.305 square miles.

Metric Area units equal to Square Meters'

Square Kilometer (km²)

Equal to square meters - 1 km² = 1,000,000 m² (10^6 m²)

Hectare (ha)

Equal to square meters - 1 ha = 10,000 m² (10^4 m²)

Square Meter (m²)

Equal to square meters - 1 m² = 1 m²

Square Decimeter (dm²)

Equal to square meters - 1 dm² = 0.01 m² (10^-2 m²)

Square Centimeter (cm²)

Equal to square meters - 1 cm² = 0.0001 m² (10^-4 m²)

Square Millimeter (mm²)

Equivalent to square meters: 1 mm² = 0.000001 m² (10^-6 m²)

Imperial Area units equal to Square Feet

Square Mile (mi²)

Equal to square feet - 1 mi² = 27,878,400 ft²

Acre (ac)

Equal to square feet - 1 ac = 43,560 ft²

Square Yard (yd²)

Equal to square feet - 1 yd² = 9 ft²

Square Foot (ft²)

Equal to square feet - 1 ft² = 1 ft²

Square Inch (in²)

Equal to square feet - 1 in² = 0.00694444 ft² (or 1/144 ft²)

Commonly Used Area Conversion Table

Area Unit Converter

Conversion	Unit Symbol	Relation
Square Kilometer to Square Meter	km² to m²	1 km² = 1,000,000 m²
Hectare to Square Meter	ha to m²	1 ha = 10,000 m²
Square Meter to Square Decimeter	m² to dm²	1 m² = 100 dm²
Square Meter to Square Centimeter	m² to cm²	1 m² = 10,000 cm²
Square Meter to Square Millimeter	m² to mm²	1 m² = 1,000,000 mm²
Square Mile to Square Foot	mi² to ft²	1 mi² = 27,878,400 ft²
Acre to Square Foot	ac to ft²	1 ac = 43,560 ft²
Square Yard to Square Foot	yd² to ft²	1 yd² = 9 ft²
Square Foot to Square Inch	ft² to in²	1 ft² = 144 in²
Square Inch to Square Foot	in² to ft²	1 in² = 0.00694444 ft² (1/144 ft²)

References:

1 . National Institute of Standards and Technology (NIST). (2022). "NIST Guide to SI Units - Appendix B8: Factors for Units Listed Alphabetically."

2 . United States Geological Survey (USGS). (2022). "Unit Conversions."