Acre (ac)
43,560 square feet; the standard land-area unit in the US and UK.
Result
1 acre = 40,468,564.22 square centimeters
Acre at a glance
| Unit name | Acre (plural: acres) |
|---|---|
| Symbol | ac |
| Quantity measured | Area |
| Measurement system | US customary |
| Also known as | ac, acres |
| Definition exact? | Yes — exact by definition |
1 acre in other area units
| Unit | 1 ac equals |
|---|---|
| Square millimeter | 4,046,856,422 mm² |
| Square centimeter | 40,468,564.2 cm² |
| Square meter | 4,046.85642 m² |
| Square kilometer | 0.004046856 km² |
| Square inch | 6,272,640 in² |
| Square foot | 43,560 ft² |
| Square yard | 4,840 yd² |
| Square mile | 0.0015625 mi² |
| Hectare | 0.404685642 ha |
| Are | 40.4685642 a |
| Square nautical mile | 0.001179875 sq nmi |
| Barn | 4.04685642 × 10³¹ b |
Popular acre conversions
Frequently asked questions
- What is a acre?
- 43,560 square feet; the standard land-area unit in the US and UK.
- What is the symbol for the acre?
- The symbol for the acre is ac. It measures area.
- How many square centimeters are in a acre?
- 1 acre = 40,468,564.2 square centimeters.
- How many square meters are in a acre?
- 1 acre = 4,046.85642 square meters.
- How many square inches are in a acre?
- 1 acre = 6,272,640 square inches.