Orders of magnitude (area) Information & Orders of magnitude (area) Links at HealthHaven.com

An area of one square kilometre consists of 100 hectares each containing 10000 square metres.

This page is a progressive and labeled list of the SI area orders of magnitude, with certain examples appended to some list objects.

**List of orders of magnitude for area**
Factor (m²)	Multiple	Value	Item
10⁻⁷⁰		2.61×10⁻⁷⁰ m²	the Planck area, $\frac{G \hbar}{c^3}$
...
10⁻⁵²		10⁻⁵² m²	1 shed
...
10⁻³⁰	1 square femtometre (fm²)
10⁻²⁸		10⁻²⁸ m²	1 barn, roughly the cross-sectional area of an uranium nucleus
10⁻²⁴	1 square picometre (pm²)
10⁻²⁰	1 square ångström (Å²)
10⁻¹⁸	1 square nanometre (nm²)
10⁻¹²	1 square micrometre (μm²)
...

**List of orders of magnitude for areas 10⁻⁸ to 10⁻¹ square metres**
Factor (m²)	Multiple	Value	Item
10⁻⁸		0.055 mm²	Size of a pixel on a typical modern computer display
10⁻⁷
10⁻⁶	1 square millimetre (mm²)	2 mm²	Area of the head of a pin
10⁻⁵
10⁻⁴	1 square centimetre (cm²)	5 cm²	Area of a typical postage stamp
10⁻³		48 cm²	Largest side of a cigarette box
10⁻²	1 square decimetre (dm²)	0.060 m²	American letter paper (11 × 8.5 inches, "A" size)
		0.0625 m²	International A4 paper (210 × 297 mm)
		0.093 m²	1 square foot
10⁻¹		0.125 m²	International A3 paper (297 × 420 mm)
		0.181 m²	Surface area of a basketball (diameter 24 cm)
		0.250 m²	International A2 paper (420 × 594 mm)
		0.500 m²	International A1 paper (594 × 841 mm)

**List of orders of magnitude for areas 10⁰ to 10⁷ square metres.**
Factor (m²)	Multiple	Value	Item
10⁰	1 square metre	1 m²	International A0 paper (841 × 1189 mm)
10⁰	1 square metre	2–4 m²	Area of the top of an office desk
10¹		10–20 m²	A parking space
10²	1 square decametre (dam²)	100 m²	One are (a)
10²	1 square decametre (dam²)	162 m²	Size of a volleyball field (9 × 18 metres)
		186 m²	2000 square feet, the floor area of a typical suburban three-bedroom house in North America
10³		4,047 m²	1 acre
		5,400 m²	Size of an American football field
		7,300 m²	Size of a football (soccer) field
10⁴	1 square hectometre (hm²)	10 000 m²	1 hectare (ha)
10⁴	1 square hectometre (hm²)	55 000 m²	Base of the Great Pyramid of Giza
10⁵		190 000 m²	Irish National Botanic Gardens
		440 000 m²	Vatican City
		620 000 m²	Total floor area of the Pentagon
10⁶	1 square kilometre (km²)	1.95 km²	Monaco (country ranked 192nd by area)
		2.59 km²	1 square mile
		2.9 km²	City of London (not all of modern London)
10⁷		59.5 km²	Manhattan Island
10⁷		61 km²	San Marino

**List of orders of magnitude for areas 10⁸ to 10¹⁴ square metres.**
Factor (m²)	Multiple	Value	Item
10⁸		105 km²	Paris (inner city only)
		122 km²	Walt Disney World
		272 km²	Taipei City
		641 km²	Toronto
10⁹		1092 km²	Hong Kong
		1290 km²	Los Angeles, California, USA
		2187 km²	Tokyo
		5700 km²	Bali
		8028 km²	Community of Madrid, Spain
10¹⁰		10,991 km²	Jamaica
		68,870 km²	Lake Victoria
		83,858 km²	Austria
10¹¹		103,000 km²	Iceland
		301,230 km²	Italy
		504,782 km²	Spain
		780,580 km²	Turkey
10¹²	1 square megametre (Mm²) = 1 million km²	1.00 Mm²	Egypt (country ranked 29th by area)
		7.69 Mm²	Australia (country ranked 6th by area)
		9 Mm²	Largest extent of the Roman Empire
10¹³		10 Mm²	Canada (including water)
		17 Mm²	Russia (country ranked 1st by area)
		30 Mm²	Africa
		36 Mm²	Largest extent of the British Empire
		38 Mm²	Surface area of the Moon
		77 Mm²	Atlantic Ocean
10¹⁴		144 Mm²	Surface area of Mars
		150 Mm²	Land area of Earth
		360 Mm²	Water area of Earth
		510 Mm²	Total surface area of Earth

**List of orders of magnitude for areas 10¹⁵ to 10²⁶ square metres.**
Factor (m²)	Multiple	Value	Item
10¹⁵		7,700 Mm²	Neptune
10¹⁶		44,000 Mm²	Saturn
10¹⁶		64,000 Mm²	Jupiter
10¹⁷		4.6×10¹⁷ m²	Area swept by the Moon's orbit of Earth
10¹⁸	1 square gigametre (Gm²)	6.1×10¹⁸ m²	Surface area of the Sun
10¹⁹
10²⁰
10²¹		1.5×10²¹ m²	Surface area of a Ringworld with a radius of 1 AU and width of 1.6 Gm
10²²		1.1×10²² m²	Area swept by Mercury's orbit around the Sun
		3.7×10²² m²	Area swept by Venus' orbit around the Sun
		7.1×10²² m²	Area swept by Earth's orbit around the Sun
10²³		1.6×10²³ m²	Area swept by Mars' orbit around the Sun
10²³		2.81×10²³ m²	Surface area of a Dyson sphere with a radius of 1 AU
10²⁴	1 square terametre (Tm²)	1.9×10²⁴ m²	Area swept by Jupiter's orbit around the Sun
10²⁴	1 square terametre (Tm²)	6.4×10²⁴ m²	Area swept by Saturn's orbit around the Sun
10²⁵		2.6×10²⁵ m²	Area swept by Uranus' orbit around the Sun
10²⁵		6.4×10²⁵ m²	Area swept by Neptune's orbit around the Sun
10²⁶		1.1×10²⁶ m²	Area swept by Pluto's orbit around the Sun

**List of orders of magnitude for areas 10²⁷ square metres and larger.**
Factor (m²)	Value	Item
...
10³²	1.76×10³² m²	Roughly the surface area of a Oort Cloud
10³²	3×10³² m²	Roughly the surface area of a Bok globule
...
10³⁴	3×10³⁴ m²	Roughly the surface area of The Bubble
...
10⁴¹	7×10⁴¹ m²	Roughly the area of Milky Way's galactic disk