The hectare is a metric unit of area equal to 10,000 square meters, or 100 ares — the area of a square 100 meters on each side.

The barn is a unit of area equal to 10⁻²⁸ m², used to express nuclear cross-sections — the effective target area of subatomic particles.

Where is Hectare used in everyday life?

Farm sizes, vineyard areas, forestry management, urban planning zones, and national park boundaries.

What are common mistakes when converting Hectare?

Confusing hectare with acre — a hectare is about 2.47 acres, not equal to one. Also, 1 km² = 100 ha, not 1,000.

Fromha

Tob

Converter

Instant · Precise · Universal

THEME

Deep Ocean

Teal Nebula

Midnight Aurora

Forest Mist

Wine Ember

Emerald Depth

Void Steel

Tropical Burst

From

Copy Value

—

23 units available

9 categories total

All conversions

Every target unit at a glance

Source

Hectare (ha)

Tip: Click any answer value to copy it.

22 conversions shown

To convert ha to acres: multiply by 2.471. To km²: divide by 100. To m²: multiply by 10,000.

1 ha = 10,000 m² = 100 a = 0.01 km² ≈ 2.471 acres.

For example, 1 Hectare (ha) = 1.000000e+32 Barn (b).