Convert Acres to Hectares

Enter your acre value in the form below to get the value calculated in hectares.

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Results in Hectares:
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1 ac = 0.404686 ha

How to Convert Acres to Hectares Using an Easy Conversion Formula

Calculators can be used to convert measurements from one unit to another

Convert acres to hectares with this simple formula:

hectares = acres × 0.404686

Converting an acre area measurement to a hectare measurement involves multiplying your area by the conversion ratio to find the result. An acre is equal to 0.404686 hectares, so to convert simply multiply by 0.404686.

For example:
5 ac = (5 × 0.404686) = 2.023428 ha

Use an acreage calculator to find the area of a plot of land in acres by locating the boundaries on a map.

Acres and hectares are both units used to measure area. Learn more about area and find more area measurement conversion calculators. An acre is an imperial measurement and can be abbreviated as ac, for example 1 ac. A hectare is a metric measurement and can be abbreviated as ha, for example 1 ha. Learn more about the metric system, including the common unit prefixes and how to convert between metric units.

acres and hectares are units used to measure area
Convert Hectares to Acres

Acre Measurements and Equivalent Hectare Conversions

Common acre values converted to the equivalent hectare value
Acres Hectares
1 ac 0.404686 ha
2 ac 0.809371 ha
3 ac 1.2141 ha
4 ac 1.6187 ha
5 ac 2.0234 ha
6 ac 2.4281 ha
7 ac 2.8328 ha
8 ac 3.2375 ha
9 ac 3.6422 ha
10 ac 4.0469 ha
11 ac 4.4515 ha
12 ac 4.8562 ha
13 ac 5.2609 ha
14 ac 5.6656 ha
15 ac 6.0703 ha
16 ac 6.475 ha
17 ac 6.8797 ha
18 ac 7.2843 ha
19 ac 7.689 ha
20 ac 8.0937 ha
21 ac 8.4984 ha
22 ac 8.9031 ha
23 ac 9.3078 ha
24 ac 9.7125 ha
25 ac 10.12 ha
26 ac 10.52 ha
27 ac 10.93 ha
28 ac 11.33 ha
29 ac 11.74 ha
30 ac 12.14 ha
31 ac 12.55 ha
32 ac 12.95 ha
33 ac 13.35 ha
34 ac 13.76 ha
35 ac 14.16 ha
36 ac 14.57 ha
37 ac 14.97 ha
38 ac 15.38 ha
39 ac 15.78 ha
40 ac 16.19 ha

More Area Conversions

Convert to Square Miles Area
1 ac is equal to 0.001563 square miles
Convert to Square Yards Area
1 ac is equal to 4,840 square yards
Convert to Square Feet Area
1 ac is equal to 43,560 square feet
Convert to Square Inches Area
1 ac is equal to 6,272,640 square inches
Convert to Square Kilometers Area
1 ac is equal to 0.004047 square kilometers
Convert to Ares Area
1 ac is equal to 40.468564 ares
Convert to Square Meters Area
1 ac is equal to 4,046.86 square meters
Convert to Square Centimeters Area
1 ac is equal to 40,468,564.2 square centimeters
Convert to Square Millimeters Area
1 ac is equal to 4,046,856,422.4 square millimeters