Ares to Square kilometres Converter

Convert ares (a) to square kilometres (km²) instantly. Area conversions are everyday maths in Singapore property: HDB flats are listed in square metres while condo listings and PSF prices use square feet.

Result

Square kilometres
0.0001 km²

How to use the ares to square kilometres converter

  1. Enter the ares (a).
  2. The results update as you type, or press Calculate.
  3. Read the square kilometres first, then the supporting figures below it.

Formula

Square kilometres = ares × 0.0001

Worked example

For example, with these inputs:

the calculator returns:

Ares to Square kilometres table

AresSquare kilometres
1 a0.0001 km²
2 a0.0002 km²
5 a0.0005 km²
10 a0.001 km²
20 a0.002 km²
25 a0.0025 km²
50 a0.005 km²
100 a0.01 km²
250 a0.025 km²
500 a0.05 km²
1,000 a0.1 km²

About this conversion

Area conversions are everyday maths in Singapore property: HDB flats are listed in square metres while condo listings and PSF prices use square feet.

A conversion table is handy for common values, but a calculator is faster and avoids interpolation errors for anything in between.

Many conversion factors are exact by definition. The inch has been defined as exactly 2.54 centimetres since 1959, and the pound as exactly 0.45359237 kilograms, so conversions involving them can be as precise as you need.

Frequently asked questions

How many square kilometres are in one are?

1 a = 0.0001 km².

How do I convert a to km²?

Square kilometres = ares × 0.0001.

Guides for this calculator

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