Square inch (in²)
A square inch (plural: square inches) is a unit of area, equal to the area of a square with sides of one inch. The following symbols are used to denote square inches: sq inches, sq inch, sq in; inches/-2, inch/-2, in/-2; inches^2, inch^2, in^2; inches², inch², in²
Metric
- Square kilometre (km²)6.45×10⁻¹⁰
- Hectare (ha)6.45×10⁻⁸
- Are (a)6.45×10⁻⁶
- Square metre (m²)6.45×10⁻⁴
- Square decimetre (dm²)0.06
- Square centimetre (cm²)6.45
- Square millimetre (mm²)645.16
- Square micrometre (µm²)645,160,041.63
- Square nanometre (nm²)6.45×10¹⁴
British/American
- Township6.92×10⁻¹²
- Square mile2.49×10⁻¹⁰
- Homestead9.96×10⁻¹⁰
- Acre1.59×10⁻⁷
- Rood6.38×10⁻⁷
- Square rod2.55×10⁻⁵
- Square6.94×10⁻⁵
- Square yard (yr²)7.72×10⁻⁴
- Square foot (ft²)0.01
- Square inch (in²)1
Other
- Metric dunam6.45×10⁻⁷
- Cypriot dunam4.82×10⁻⁷
- Iraqi dunam2.58×10⁻⁷
- Football pitch9.04×10⁻⁸
Brazilian
- Alqueire paulista2.67×10⁻⁸
- Alqueire mineiro1.33×10⁻⁸
- Alqueire baiano6.66×10⁻⁹
- Alqueire do norte2.37×10⁻⁸