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## Related Tools

- Area and amount per unit area to total amount
- Area to different units
- LxW and amount per unit area to total amount
- Length based amount conversions
- Volume based amount conversions
- Mass based amount conversions
- Time based amount conversions

## User Guide

This amount per unit surface area ratio converter and conversion scale can be used to convert any quantity per unit surface area of your choosing, and provide the equivalent amount per unit surface area in different units.

If you know the area in a different unit to the amount per unit area of a particular item, then you can use this converter to calculate the amount per unit area in your preferred measurement units for area, to make it easier to calculate the total quantity.

### Applications

Use this tool to calculate the conversion for a quantity per unit area of an item in applications similar to these:

- Flooring cost of materials sold by the square metre or foot.
- Office space rented, leased or sold by the square metre, yard or foot.
- Land leased or sold by hectares or acres.
- Population density by geographical area.
- Agrichemicals dosage by land area.

### Conversion Factors

The following units and associated conversion factors in sq metres (SI units for length) are used by this amount per unit area converter:

- square micrometre (sq µm) – 1 x 10
^{-12}m² - square millimetre (sq mm) – 0.000001 m²
- square centimetre (sq cm) – 0.0001 m²
- square inch (sq in) – 0.0004516 m²
- square foot (sq ft) – 0.09290304 m²
- square yard (sq yd) – 0.83612736 m²
- square metre (sq m) – 1 m²
- acre (ac) – 4046.8564224 m²
- hectare (ha) – 10000 m²
- square kilometre (sq km) – 1,000,000 m²
- square mile (sq mi) – 2589988.110336 m²
- square nautical mile (sq nmi) – 3429904 m²