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Ares to Hectares Converter

Convert land area between Ares, Hectares, and Square Meters instantly.

What this tool does

Convert land area between Ares, Hectares, and Square Meters instantly. Type an amount in ares, choose the units, and the tool converts it to hectares. It offers 4 area units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one: Are, Hectare, Square meter, Acre (international). Starts as Are.
  • To: Choose one of the same 4 units as "From". Starts as Hectare.

How to use

  1. Enter the amount you want to convert.
  2. Choose the unit to convert from and the unit to convert to.
  3. Read the result: the converted amount and the same amount in the other units. It appears once every required field has a valid value.

Worked examples

Conversions from ares to hectares:

  • 1 a = 0.01 ha
  • 5 a = 0.05 ha
  • 10 a = 0.1 ha
  • 50 a = 0.5 ha
  • 100 a = 1 ha

Multiply the number of ares by 0.01 to get hectares. Both units are exact definitions, so 0.01 is the exact factor: 1 a = 0.01 ha.

Sources: Are: NIST SP 811 (2008), Appendix B.8. Hectare: SI Brochure, 9th edition (2019), Table 8.

Limitations

  • Converts units of area only. It does not work out an area from lengths or measure a plot.
  • Square-unit conversions treat the area as a number: nothing about shape or location is considered.

FAQs

Q: How many hectares are in one are?
A: One are is 0.01 hectares. Choose ares as From and hectares as To to convert any value.
Q: How many square meters are in one are?
A: One are is 100 square meters. Choose ares as From and square meters as To to convert any value.
Q: How many ares are in one hectare?
A: One hectare is 100 ares. Choose hectares as From and ares as To to convert any value.
Q: Which acre does this use?
A: The international acre, defined as 43,560 square international feet (4046.8564224 square meters). The US survey acre is larger by about four parts per million and is not offered here.

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