Acres to square feet

square feet = acres × 43,560

How to convert acres to square feet

One acre is 43,560 square feet, so multiply the number of acres by 43,560. For example, 20 acres is 20 × 43,560 = 871,200 square feet. To go back, divide by the same number, or multiply by 0.00002296.

Quick estimate

Multiplying by about 40000 gets within 8.2% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

Area conversions come up when buying flooring, paint or turf, comparing house and flat sizes, and measuring land and gardens.

acres	square feet
1 ac	43,560 ft2
2 ac	87,120 ft2
3 ac	130,680 ft2
4 ac	174,240 ft2
5 ac	217,800 ft2
6 ac	261,360 ft2
7 ac	304,920 ft2
8 ac	348,480 ft2
9 ac	392,040 ft2
10 ac	435,600 ft2
11 ac	479,160 ft2
12 ac	522,720 ft2
13 ac	566,280 ft2
14 ac	609,840 ft2
15 ac	653,400 ft2
16 ac	696,960 ft2
17 ac	740,520 ft2
18 ac	784,080 ft2
19 ac	827,640 ft2
20 ac	871,200 ft2
25 ac	1,089,000 ft2
30 ac	1,306,800 ft2
40 ac	1,742,400 ft2
50 ac	2,178,000 ft2
60 ac	2,613,600 ft2
70 ac	3,049,200 ft2
75 ac	3,267,000 ft2
80 ac	3,484,800 ft2
90 ac	3,920,400 ft2
100 ac	4,356,000 ft2
120 ac	5,227,200 ft2
150 ac	6,534,000 ft2
200 ac	8,712,000 ft2
250 ac	10,890,000 ft2
300 ac	13,068,000 ft2
400 ac	17,424,000 ft2
500 ac	21,780,000 ft2
750 ac	32,670,000 ft2
1,000 ac	43,560,000 ft2
1,500 ac	65,340,000 ft2
2,000 ac	87,120,000 ft2
5,000 ac	217,800,000 ft2
10,000 ac	435,600,000 ft2

Questions

How many square feet are in a acre?

43,560 square feet.

How do I convert acres to square feet in a spreadsheet?

Put the value in A1 and type =A1*43560, then fill the formula down the column.

Are the values in the table exact?

They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.