acres to hectares
1 acre (acre) equals 0.4047 hectares (ha). Type a value into either box below for an instant two-way conversion. For other units, use the full unit converter.
Chinese version: 英亩转公顷
Conversion factor
1 acre = 0.4047 ha
Reverse: 1 ha = 2.471 acre
acre to ha conversion table
| acre | ha | Detail |
|---|---|---|
| 1 | 0.4047 | 1 acre to ha |
| 2 | 0.8094 | 2 acre to ha |
| 3 | 1.214 | 3 acre to ha |
| 4 | 1.619 | 4 acre to ha |
| 5 | 2.023 | 5 acre to ha |
| 6 | 2.428 | 6 acre to ha |
| 7 | 2.833 | 7 acre to ha |
| 8 | 3.237 | 8 acre to ha |
| 9 | 3.642 | 9 acre to ha |
| 10 | 4.047 | 10 acre to ha |
| 20 | 8.094 | 20 acre to ha |
| 25 | 10.12 | 25 acre to ha |
| 30 | 12.14 | 30 acre to ha |
| 40 | 16.19 | 40 acre to ha |
| 50 | 20.23 | 50 acre to ha |
| 60 | 24.28 | 60 acre to ha |
| 70 | 28.33 | 70 acre to ha |
| 80 | 32.37 | 80 acre to ha |
| 90 | 36.42 | 90 acre to ha |
| 100 | 40.47 | 100 acre to ha |
| 150 | 60.7 | 150 acre to ha |
| 200 | 80.94 | 200 acre to ha |
| 250 | 101.17 | 250 acre to ha |
| 300 | 121.41 | 300 acre to ha |
| 400 | 161.87 | 400 acre to ha |
| 500 | 202.34 | 500 acre to ha |
| 600 | 242.81 | 600 acre to ha |
| 700 | 283.28 | 700 acre to ha |
| 800 | 323.75 | 800 acre to ha |
| 900 | 364.22 | 900 acre to ha |
| 1,000 | 404.69 | 1,000 acre to ha |
| 1,500 | 607.03 | 1,500 acre to ha |
| 2,000 | 809.37 | 2,000 acre to ha |
| 2,500 | 1,011.71 | 2,500 acre to ha |
| 5,000 | 2,023.43 | 5,000 acre to ha |
How to convert
To convert acres to hectares, multiply: ha = acre × 0.4047
To convert hectares to acres, divide: acre = ha ÷ 0.4047 (equivalently × 2.471).
Example: 1 acre × 0.4047 = 0.4047 hectares. The factor is derived from the international definition of each unit; results are shown to 4 significant figures.
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Disclaimer: conversion factors are derived from international unit definitions and results are for reference only. For trade settlement, engineering or legal documents, follow the contract or official metrology standards.