The hectare, a metric unit for measuring land area, is widely used around the globe, especially in agriculture, forestry, and land planning. Originating from France during the metric system’s inception in 1795, one hectare equates to 10,000 square meters (about 2.47 acres). Interestingly, the Great Barrier Reef Marine Park, one of the planet’s most extensive marine parks, spans about 344,400,000 hectares, illustrating the sheer magnitude that this unit can represent.
While it might seem specific to certain industries, the hectare is crucial in conservation efforts, playing a significant role in tracking deforestation and biodiversity loss worldwide. With global initiatives focusing on increasing protected areas, hectares have become a critical factor in ecological statistics and strategies, helping to foster a sustainable future.
The square decimeter is a unit of area that, despite its relatively small size, plays an important role in various practical applications. Particularly popular in educational contexts, it helps students understand the concept of area by bridging the gap between smaller units like square centimeters and larger ones like square meters. One square decimeter is equal to 100 square centimeters, making it an ideal middle ground for measuring surfaces that are neither too small nor too large, such as book covers or tabletops.
The square decimeter’s versatility extends to industries such as printing and textile manufacturing, where precise measurements are critical. Its use can make calculations more straightforward and enhance accuracy in settings where precision is paramount. It’s a unit that elegantly demonstrates the practical balance between metric units of area.
Hectares | Square Decimeters |
---|---|
0
ha
|
0
dm²
|
0.1
ha
|
100000
dm²
|
0.2
ha
|
200000
dm²
|
0.3
ha
|
300000
dm²
|
0.4
ha
|
400000
dm²
|
0.5
ha
|
500000
dm²
|
0.6
ha
|
600000
dm²
|
0.7
ha
|
700000
dm²
|
0.8
ha
|
800000
dm²
|
0.9
ha
|
900000
dm²
|
1
ha
|
1000000
dm²
|
1.1
ha
|
1100000
dm²
|
1.2
ha
|
1200000
dm²
|
1.3
ha
|
1300000
dm²
|
1.4
ha
|
1400000
dm²
|
1.5
ha
|
1500000
dm²
|
1.6
ha
|
1600000
dm²
|
1.7
ha
|
1700000
dm²
|
1.8
ha
|
1800000
dm²
|
1.9
ha
|
1900000
dm²
|
2
ha
|
2000000
dm²
|
2.1
ha
|
2100000
dm²
|
2.2
ha
|
2200000
dm²
|
2.3
ha
|
2300000
dm²
|
2.4
ha
|
2400000
dm²
|
2.5
ha
|
2500000
dm²
|
2.6
ha
|
2600000
dm²
|
2.7
ha
|
2700000
dm²
|
2.8
ha
|
2800000
dm²
|
2.9
ha
|
2900000
dm²
|
3
ha
|
3000000
dm²
|
3.1
ha
|
3100000
dm²
|
3.2
ha
|
3200000
dm²
|
3.3
ha
|
3300000
dm²
|
3.4
ha
|
3400000
dm²
|
3.5
ha
|
3500000
dm²
|
3.6
ha
|
3600000
dm²
|
3.7
ha
|
3700000
dm²
|
3.8
ha
|
3800000
dm²
|
3.9
ha
|
3900000
dm²
|
4
ha
|
4000000
dm²
|
4.1
ha
|
4100000
dm²
|
4.2
ha
|
4200000
dm²
|
4.3
ha
|
4300000
dm²
|
4.4
ha
|
4400000
dm²
|
4.5
ha
|
4500000
dm²
|
4.6
ha
|
4600000
dm²
|
4.7
ha
|
4700000
dm²
|
4.8
ha
|
4800000
dm²
|
4.9
ha
|
4900000
dm²
|
5
ha
|
5000000
dm²
|
5.1
ha
|
5100000
dm²
|
5.2
ha
|
5200000
dm²
|
5.3
ha
|
5300000
dm²
|
5.4
ha
|
5400000
dm²
|
5.5
ha
|
5500000
dm²
|
5.6
ha
|
5600000
dm²
|
5.7
ha
|
5700000
dm²
|
5.8
ha
|
5800000
dm²
|
5.9
ha
|
5900000
dm²
|
6
ha
|
6000000
dm²
|
6.1
ha
|
6100000
dm²
|
6.2
ha
|
6200000
dm²
|
6.3
ha
|
6300000
dm²
|
6.4
ha
|
6400000
dm²
|
6.5
ha
|
6500000
dm²
|
6.6
ha
|
6600000
dm²
|
6.7
ha
|
6700000
dm²
|
6.8
ha
|
6800000
dm²
|
6.9
ha
|
6900000
dm²
|
7
ha
|
7000000
dm²
|
7.1
ha
|
7100000
dm²
|
7.2
ha
|
7200000
dm²
|
7.3
ha
|
7300000
dm²
|
7.4
ha
|
7400000
dm²
|
7.5
ha
|
7500000
dm²
|
7.6
ha
|
7600000
dm²
|
7.7
ha
|
7700000
dm²
|
7.8
ha
|
7800000
dm²
|
7.9
ha
|
7900000
dm²
|
8
ha
|
8000000
dm²
|
8.1
ha
|
8100000
dm²
|
8.2
ha
|
8200000
dm²
|
8.3
ha
|
8300000
dm²
|
8.4
ha
|
8400000
dm²
|
8.5
ha
|
8500000
dm²
|
8.6
ha
|
8600000
dm²
|
8.7
ha
|
8700000
dm²
|
8.8
ha
|
8800000
dm²
|
8.9
ha
|
8900000
dm²
|
9
ha
|
9000000
dm²
|
9.1
ha
|
9100000
dm²
|
9.2
ha
|
9200000
dm²
|
9.3
ha
|
9300000
dm²
|
9.4
ha
|
9400000
dm²
|
9.5
ha
|
9500000
dm²
|
9.6
ha
|
9600000
dm²
|
9.7
ha
|
9700000
dm²
|
9.8
ha
|
9800000
dm²
|
9.9
ha
|
9900000
dm²
|
10
ha
|
1e+7
dm²
|
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