Hectares to Acres Calculator

A hectare is about two and a half times bigger than an acre. One hectare equals 2.47105 acres, so picturing two and a half acres side by side gets you close to a single hectare. In metric terms a hectare is a 100 m × 100 m square covering 10,000 square metres.

A hectare is roughly 147% larger than an acre, since 2.47105 acres fit inside one. For a visual sense of scale: one hectare is about 1.4 football pitches, while a single acre is closer to 0.6 of one. A hectare covers 10,000 m²; an acre covers 4,046.86 m².

A hectares to acres conversion changes a land area measured in metric hectares into imperial acres. You multiply the hectare figure by 2.47105 to get acres. It is the standard calculation for comparing international property listings, farm sizes and survey data between metric and imperial countries.

There are 2.47105 acres in one hectare. Rounded for everyday use that is about 2.47 acres, or roughly two and a half. To convert any hectare figure, multiply it by 2.47105. For example, 10 hectares equals 24.7105 acres and 100 hectares equals 247.105 acres.

Multiply the number of acres by 0.404686 to get hectares. For example, 5 acres × 0.404686 = 2.02343 hectares. You can also divide the acre figure by 2.47105 for the same result. Enter any value in the calculator above and it converts instantly as you type.

One hectare equals 2.47105 acres, and one acre equals 0.404686 hectares. The two are not equivalent — a hectare is the larger unit by roughly two and a half times. Put another way, you would need about two and a half acres of land to cover a single hectare.

To change acres to hectares, take your acre figure and multiply it by 0.404686. Three steps: enter the acre value, set the toggle to acres to hectares, and read the result. A 20-acre property, for instance, changes to about 8.0937 hectares.

Convert acres to hectares by multiplying by 0.404686, or by dividing by 2.47105 — both give the same answer. The relationship is fixed because each unit has an exact definition: one acre is 4,046.8564224 m² and one hectare is exactly 10,000 m².

A hectare is equal to 2.47105 acres. This figure comes from dividing a hectare's 10,000 square metres by an acre's 4,046.8564224 square metres. The value never changes — unlike some units, hectares and acres have fixed international definitions, so the conversion is identical everywhere.

In practical terms a hectare is nearly two and a half acres — 2.47105, to be exact. If you own one acre and your neighbour owns one hectare, their land is about 1.47 acres larger than yours. Most of the world lists farmland in hectares rather than acres.

Multiply by 0.404686, not by 2.47105. Land at 40,000 per hectare is 40,000 × 0.404686 = 16,187.44 per acre. Rates per unit of area convert in the opposite direction to areas themselves, because an acre is the smaller unit — the same land costs less per acre than per hectare.

Multiply by 0.404686. A wheat crop of 8.5 tonnes per hectare is 3.43983 tonnes per acre. The same factor applies to seed rates, fertiliser rates and stocking densities. Multiplying by 2.47105 instead gives figures roughly two and a half times too high, and the result still looks like a plausible yield, which is what makes the error hard to spot.