Acre to Hectare Converter

Convert Acre to Hectare instantly — live results with exact conversion factors.

From

0.40468564 ha

1 acre = 0.4046856422 hectares. To convert ac to ha, multiply by 0.4046856422.

Quick Reference Table

Acre (ac)	Hectare (ha)
1	0.40468564
2	0.80937128
5	2.02342821
10	4.04685642
20	8.09371284
50	20.2342821
100	40.4685642
250	101.171411
500	202.342821
1000	404.685642

Formula

Convert Acre (ac) to Hectare (ha) using the relationship:

ha = ac × 0.4046856422

How to Convert

Take the value in acres (ac).
Multiply it by 0.4046856422 (the conversion factor from ac to ha).
The result is the equivalent value in hectares (ha).
Example: 1 ac = 0.40468564 ha.

Reverse Conversion

Need it the other direction? Hectare to Acre conversion.

All Area Conversions

See the full list of Area conversions.

Related Conversions

FAQ

▸ How many hectares are in 1 acre?

1 Acre equals 0.40468564 hectares. Multiply by 0.4046856422 to convert ac to ha.

▸ What is the formula to convert acre to hectare?

Multiply the value in acres by 0.4046856422 to get hectares. Formula: ha = ac × 0.4046856422.

▸ How do I convert acres to hectares easily?

Enter your value in the converter at the top of this page — the hectares result updates live as you type. You can also multiply by 0.4046856422 directly.

Answer