The square foot is a unit of area commonly used in the United States and some parts of Canada to measure spaces such as real estate, architecture, and interior design. One interesting fact about the square foot is that it originated from the Roman “pes,” or foot, which in ancient times was roughly 11.65 inches but has evolved into the standardized 12-inch foot we know today. The Roman builders’ influence is still evident as the technology advanced, yet the measurement conventions from thousands of years ago persist.
A square foot can tell fascinating stories about the world around you; for example, did you know that the average human adult has around 20 square feet of skin? Or that the Guinness World Record for the largest pizza ever baked covered an astounding 13,580 square feet? These unique perspectives add intriguing dimensions to our understanding of space, showcasing just how versatile and historically rich this seemingly simple unit of measure can be.
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.
Square Feet | Hectares |
---|---|
0
ft²
|
0
ha
|
10
ft²
|
9.29031e-5
ha
|
20
ft²
|
0.000185806
ha
|
30
ft²
|
0.000278709
ha
|
40
ft²
|
0.000371613
ha
|
50
ft²
|
0.000464516
ha
|
60
ft²
|
0.000557419
ha
|
70
ft²
|
0.000650322
ha
|
80
ft²
|
0.000743225
ha
|
90
ft²
|
0.000836128
ha
|
100
ft²
|
0.000929031
ha
|
110
ft²
|
0.00102193
ha
|
120
ft²
|
0.00111484
ha
|
130
ft²
|
0.00120774
ha
|
140
ft²
|
0.00130064
ha
|
150
ft²
|
0.00139355
ha
|
160
ft²
|
0.00148645
ha
|
170
ft²
|
0.00157935
ha
|
180
ft²
|
0.00167226
ha
|
190
ft²
|
0.00176516
ha
|
200
ft²
|
0.00185806
ha
|
210
ft²
|
0.00195097
ha
|
220
ft²
|
0.00204387
ha
|
230
ft²
|
0.00213677
ha
|
240
ft²
|
0.00222968
ha
|
250
ft²
|
0.00232258
ha
|
260
ft²
|
0.00241548
ha
|
270
ft²
|
0.00250838
ha
|
280
ft²
|
0.00260129
ha
|
290
ft²
|
0.00269419
ha
|
300
ft²
|
0.00278709
ha
|
310
ft²
|
0.00288
ha
|
320
ft²
|
0.0029729
ha
|
330
ft²
|
0.0030658
ha
|
340
ft²
|
0.00315871
ha
|
350
ft²
|
0.00325161
ha
|
360
ft²
|
0.00334451
ha
|
370
ft²
|
0.00343742
ha
|
380
ft²
|
0.00353032
ha
|
390
ft²
|
0.00362322
ha
|
400
ft²
|
0.00371613
ha
|
410
ft²
|
0.00380903
ha
|
420
ft²
|
0.00390193
ha
|
430
ft²
|
0.00399483
ha
|
440
ft²
|
0.00408774
ha
|
450
ft²
|
0.00418064
ha
|
460
ft²
|
0.00427354
ha
|
470
ft²
|
0.00436645
ha
|
480
ft²
|
0.00445935
ha
|
490
ft²
|
0.00455225
ha
|
500
ft²
|
0.00464516
ha
|
510
ft²
|
0.00473806
ha
|
520
ft²
|
0.00483096
ha
|
530
ft²
|
0.00492387
ha
|
540
ft²
|
0.00501677
ha
|
550
ft²
|
0.00510967
ha
|
560
ft²
|
0.00520258
ha
|
570
ft²
|
0.00529548
ha
|
580
ft²
|
0.00538838
ha
|
590
ft²
|
0.00548128
ha
|
600
ft²
|
0.00557419
ha
|
610
ft²
|
0.00566709
ha
|
620
ft²
|
0.00575999
ha
|
630
ft²
|
0.0058529
ha
|
640
ft²
|
0.0059458
ha
|
650
ft²
|
0.0060387
ha
|
660
ft²
|
0.00613161
ha
|
670
ft²
|
0.00622451
ha
|
680
ft²
|
0.00631741
ha
|
690
ft²
|
0.00641032
ha
|
700
ft²
|
0.00650322
ha
|
710
ft²
|
0.00659612
ha
|
720
ft²
|
0.00668903
ha
|
730
ft²
|
0.00678193
ha
|
740
ft²
|
0.00687483
ha
|
750
ft²
|
0.00696773
ha
|
760
ft²
|
0.00706064
ha
|
770
ft²
|
0.00715354
ha
|
780
ft²
|
0.00724644
ha
|
790
ft²
|
0.00733935
ha
|
800
ft²
|
0.00743225
ha
|
810
ft²
|
0.00752515
ha
|
820
ft²
|
0.00761806
ha
|
830
ft²
|
0.00771096
ha
|
840
ft²
|
0.00780386
ha
|
850
ft²
|
0.00789677
ha
|
860
ft²
|
0.00798967
ha
|
870
ft²
|
0.00808257
ha
|
880
ft²
|
0.00817548
ha
|
890
ft²
|
0.00826838
ha
|
900
ft²
|
0.00836128
ha
|
910
ft²
|
0.00845418
ha
|
920
ft²
|
0.00854709
ha
|
930
ft²
|
0.00863999
ha
|
940
ft²
|
0.00873289
ha
|
950
ft²
|
0.0088258
ha
|
960
ft²
|
0.0089187
ha
|
970
ft²
|
0.0090116
ha
|
980
ft²
|
0.00910451
ha
|
990
ft²
|
0.00919741
ha
|
1000
ft²
|
0.00929031
ha
|
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