Convert 1,000,000,000 Square Feet to Square Miles

How big is 1,000,000,000 square feet? What is 1 billion square feet in square miles? 1,000,000,000 sq ft to sq mi conversion.
Amount
From
To
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1,000,000,000 Square Feet ≈
35.870064 Square Miles
result rounded
Decimal places
Result in Plain English
1 billion square feet is equal to about 35.9 square miles.
In Scientific Notation
1,000,000,000 square feet
= 1 x 109 square feet
≈ 3.58701 x 101 square miles
Square Feet
A square foot is a unit of area. It is the size of a square that is one foot on a side. It is 144 square inches, 1/9th of a square yard, or approximately 0.093 square meters.
Common abbreviations: sq ft, sf, ft², ft^2
Square Miles
A square mile is a unit of area. It is the size of a square that is one mile on a side. It is equal to 640 acres or approximately 2.59 square kilometers.
Common abbreviations: sq mi, mi², mi^2
Dimensions of 1,000,000,000 Square Feet
How big on a side is a 1,000,000,000 square foot room or building?
The dimensions will vary depending on the shape. If the area is squared-shaped, then the length of each side will be:
about 31,623 feet
or
about 5.9892 miles
Click here to calculate square footage based on dimensions.
Square Feet to Square Miles Conversions
results may be rounded
sq ft sq mi
1,000,000,000 35.870
1,010,000,000 36.229
1,020,000,000 36.587
1,030,000,000 36.946
1,040,000,000 37.305
1,050,000,000 37.664
1,060,000,000 38.022
1,070,000,000 38.381
1,080,000,000 38.740
1,090,000,000 39.098
1,100,000,000 39.457
1,110,000,000 39.816
1,120,000,000 40.174
1,130,000,000 40.533
1,140,000,000 40.892
1,150,000,000 41.251
1,160,000,000 41.609
1,170,000,000 41.968
1,180,000,000 42.327
1,190,000,000 42.685
1,200,000,000 43.044
1,210,000,000 43.403
1,220,000,000 43.761
1,230,000,000 44.120
1,240,000,000 44.479
1,250,000,000 44.838
1,260,000,000 45.196
1,270,000,000 45.555
1,280,000,000 45.914
1,290,000,000 46.272
1,300,000,000 46.631
1,310,000,000 46.990
1,320,000,000 47.348
1,330,000,000 47.707
sq ft sq mi
1,340,000,000 48.066
1,350,000,000 48.425
1,360,000,000 48.783
1,370,000,000 49.142
1,380,000,000 49.501
1,390,000,000 49.859
1,400,000,000 50.218
1,410,000,000 50.577
1,420,000,000 50.935
1,430,000,000 51.294
1,440,000,000 51.653
1,450,000,000 52.012
1,460,000,000 52.370
1,470,000,000 52.729
1,480,000,000 53.088
1,490,000,000 53.446
1,500,000,000 53.805
1,510,000,000 54.164
1,520,000,000 54.522
1,530,000,000 54.881
1,540,000,000 55.240
1,550,000,000 55.599
1,560,000,000 55.957
1,570,000,000 56.316
1,580,000,000 56.675
1,590,000,000 57.033
1,600,000,000 57.392
1,610,000,000 57.751
1,620,000,000 58.110
1,630,000,000 58.468
1,640,000,000 58.827
1,650,000,000 59.186
1,660,000,000 59.544
1,670,000,000 59.903
sq ft sq mi
1,680,000,000 60.262
1,690,000,000 60.620
1,700,000,000 60.979
1,710,000,000 61.338
1,720,000,000 61.697
1,730,000,000 62.055
1,740,000,000 62.414
1,750,000,000 62.773
1,760,000,000 63.131
1,770,000,000 63.490
1,780,000,000 63.849
1,790,000,000 64.207
1,800,000,000 64.566
1,810,000,000 64.925
1,820,000,000 65.284
1,830,000,000 65.642
1,840,000,000 66.001
1,850,000,000 66.360
1,860,000,000 66.718
1,870,000,000 67.077
1,880,000,000 67.436
1,890,000,000 67.794
1,900,000,000 68.153
1,910,000,000 68.512
1,920,000,000 68.871
1,930,000,000 69.229
1,940,000,000 69.588
1,950,000,000 69.947
1,960,000,000 70.305
1,970,000,000 70.664
1,980,000,000 71.023
1,990,000,000 71.381
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