Acre to Hectare

1 ac = 0.40468564 ha

Value

From

Precision & format

Significant figures

Notation

1 ac equals

0.4046856422ha

All 15 units

Square meterm²
4,046.856422
Square kilometerkm²
0.004046856422
Square centimetercm²
40,468,564.22
Square millimetermm²
4,046,856,422
Hectareha
0.4046856422
Area
40.46856422
Square milemi²
0.0015625
Square yardyd²
4,840
Square footft²
43,560
Square inchin²
6,272,640
Acreac
1
Roodrood
¼ acre
4
Sectionsection
1 mi²
0.0015625
Townshiptwp
36 mi²
0.00004340277778
Barnb
nuclear cross-section
4.046856422 × 10³¹

Acre to Hectare table

Common Acre values converted to Hectare
Acre (ac)	Hectare (ha)
1	0.40468564
2	0.80937128
5	2.0234282
10	4.0468564
20	8.0937128
50	20.234282
100	40.468564
250	101.17141
500	202.34282
1,000	404.68564

How the conversion works

Multiply the acre figure by 0.4046856422 to get hectare. Every factor on this site is anchored to the SI base unit for area, so the same number is used everywhere it appears.

Going the other way, 1 ha = 2.4710538 ac — see hectare to acre.

See all 15 area units →