Acres Converter
Convert acres (ac) to other units, with every conversion from 1 ac listed.
Change the values and press Calculate to work out your own figures.
Enter an area, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 ac = 40.468564224 a
- 1 × 40.468564224 = 40.468564224 a
1 ac in other units
| Conversion | 1 ac equals |
|---|---|
| Acres to ares | 40.468564224 a |
| Acres to hectares | 0.40468564224 ha |
| Acres to square centimeters | 40,468,564.224 cm² |
| Acres to square feet | 43,560 sq ft |
| Acres to square inches | 6,272,640 sq in |
| Acres to square kilometers | 0.0040468564224 km² |
| Acres to square meters | 4,046.8564224 m² |
| Acres to square miles | 0.0015625 sq mi |
| Acres to square millimeters | 4,046,856,422.4 mm² |
| Acres to square yards | 4,840 sq yd |
About the units
- Acres (ac)
- Acres, a US customary unit. Definition: NIST Handbook 44 Appendix C (1 acre = 43,560 sq ft, international-foot based).