How to Convert Square Feet to Square Inch: Calculator & Formula

1 Square Feet is equal to 144.00 Square Inch

  • Square Feet
  • Square Meter
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Converting Square Feet to Square Inch might appear a complicated task to many, but it is not. Yes, you heard it right. With the right formula and appropriate conversion steps, you can totally rock the process.

But, even before you dive into converting sq feet to sq inches, it’s crucial to know what they mean, the relation they share, and the differences between the two. If you don’t know any of them, fret not! We have got them all covered for you.

Let us start with the definition of Square Feet.

What is Square Feet?

The Square Foot or Square Feet is a unit to measure the area of land. It’s a non-SI and non-metric system of measurement used as an imperial and U.S customary unit.

1 Square Foot refers to the sides of the square measuring 1 foot each. It has more than one abbreviation including sf, ft², or sq. ft.

Square Feet is considered as a standard unit and hence, it has a fixed value all over the world. As far as its usage is concerned, it is most popular in the United States and is partially employed in Canada, India, Pakistan, the United Kingdom, Myanmar, Liberia, Ghana, Hong Kong, Malaysia, and Singapore.

The unit usually helps us in searching for a house, residential plot, or while renting office space.

Current Use of Square Feet

Square Feet are typically used to measure the area of a house, residential plot, office space, etc. Besides, it is used in countries like Canada, India, Pakistan, the United Kingdom, Myanmar, Liberia, Ghana, Hong Kong, Malaysia, and Singapore.

What is Square Inch?

A Square Inch refers to a Square measuring each side as 1 Inch. It is a customary unit of measurement within the United Kingdom and the United States. It has usages throughout various industries, including textiles, painting, graphic design, and construction.

The unit has more than one abbreviation- sq. inches, sq. in., and in2. Therefore, you can write 1 Square Inch as 1 sq in or 1 in2, 2 Square Inches as 2 sq in or 2 in2.

One Square Inch is approximately equal to the size of several postage stamps and equivalent to 6.45 Square Centimeters.

Current Use of Square Inch

A Square Inch is used to measure the area of a room or piece of land, or elements in textiles, painting, graphic design, and construction industries. It’s mainly used within the UK and the US.

Sometimes, getting a house or office space in the desired unit is quite complicated and this is when it becomes tough to figure out the area in Square Feet or Square Inch. However, if you are well aware of the mathematical formulas for deriving units and areas of various geographical patterns, you can measure it easily.

Relation between Square Feet and Square Inch

Square Feet and Square Inch might be different in a few aspects, but they are related to each other in some way. Plus, you can easily work out the relationship between the two.

So, the relationship between Sq Ft and Sq In can be represented as follows:

1 Sq Ft = 144 Sq In, and

1 Sq In = 0.00694444 Sq Ft.

Note: Always remember these relationships. They will help you later in the process of conversion. 

How to Convert Square Feet to Square Inch?

Sq Ft to Sq In conversion could be complicated only if you are not aware of the relationship between the two. But we have already discussed that above. So, we can easily figure the conversion process.

To convert Square Feet into Square Inch, simply multiply the value of Square Feet by 144. The resulting value would be in Square Inches.

Yes, it’s as simple as it sounds.

To prove the same, we have also covered the formula and have solved a few examples so that you don’t get stuck at any point in the process.

Formula and Examples on Sq Feet to Sq Inches Conversion

Deriving the formula for Ft2 to In2 is quite simple. All you need to do is to express the same theory as above in the mathematical expression-

Hence, the formula for sq feet to sq inches conversion can be demonstrated as-

Square Inches = value of Ft2 x 144

Now that we have got the formula for conversion, let’s have a look at the solved examples. It will help you clarify the process even better.

Example 1: Convert 99 Square Feet into Square Inches

Sol: Putting the value of Square Feet in the above formula, we will get-

Square Inch = 99 x 144 = 14,256 Square Inches.

Hence, 99 Square Feet into 14,256 Square Inches.

Example 2: Convert 63 Square Feet into Square Inches

Sol: Following the same step as above, we will get-

Square Inch = 63 x 144 = 9072 Square Inch.

Hence, 63 Square Feet is equivalent to 9072 Square Inches.

Example 3: Convert 75 Square Feet into Square Inches

Sol: Putting the value of Square Feet in the conversion formula, we will get

Square Inch = 75 x 144 = 10,800 Square Inch.

Hence, 75 Square Feet is equivalent to 10,800 Square Inches.

Sq Ft to Sq Inches Conversion Table

Square Feet (Sq Ft)

Square Inch (Sq In)

Square Feet to Square Inch (sq ft to in)

1 sq ft

144 sq in

1 sq ft is equal to 144 sq in

2 sq ft

288 sq in

2 sq ft is equal to 288 sq in

3 sq ft

432 sq in

3 sq ft is equal to 432 sq in

4 sq ft

576 sq in

4 sq ft is equal to 576 sq in

5 sq ft

720 sq in

5 sq ft is equal to 720 sq in

6 sq ft

864 sq in

6 sq ft is equal to 864 sq in

7 sq ft

1008 sq in

7 sq ft is equal to 1008 sq in

8 sq ft

1152 sq in

8 sq ft is equal to 1152 sq in

9 sq ft

1296 sq in

9 sq ft is equal to 1296 sq in

10 sq ft

1440 sq in

10 sq ft is equal to 1440 sq in

11 sq ft

1584 sq in

11 sq ft is equal to 1584 sq in

12 sq ft

1728 sq in

12 sq ft is equal to 1728 sq in

13 sq ft

1872 sq in

13 sq ft is equal to 1872 sq in

14 sq ft

2016 sq in

14 sq ft is equal to 2016 sq in

15 sq ft

2160 sq in

15 sq ft is equal to 2160 sq in

16 sq ft

2304 sq in

16 sq ft is equal to 2304 sq in

17 sq ft

2448 sq in

17 sq ft is equal to 2448 sq in

18 sq ft

2592 sq in

18 sq ft is equal to 2592 sq in

19 sq ft

2736 sq in

19 sq ft is equal to 2736 sq in

20 sq ft

2880 sq in

20 sq ft is equal to 2880 sq in

21 sq ft

3024 sq in

21 sq ft is equal to 3024 sq in

22 sq ft

3168 sq in

22 sq ft is equal to 3168 sq in

23 sq ft

3312 sq in

23 sq ft is equal to 3312 sq in

24 sq ft

3456 sq in

24 sq ft is equal to 3456 sq in

25 sq ft

3600 sq in

25 sq ft is equal to 3600 sq in

26 sq ft

3744 sq in

26 sq ft is equal to 3744 sq in

27 sq ft

3888 sq in

27 sq ft is equal to 3888 sq in

28 sq ft

4032 sq in

28 sq ft is equal to 4032 sq in

29 sq ft

4176 sq in

29 sq ft is equal to 4176 sq in

30 sq ft

4320 sq in

30 sq ft is equal to 4320 sq in

31 sq ft

4464 sq in

31 sq ft is equal to 4464 sq in

32 sq ft

4608 sq in

32 sq ft is equal to 4608 sq in

33 sq ft

4752 sq in

33 sq ft is equal to 4752 sq in

34 sq ft

4896 sq in

34 sq ft is equal to 4896 sq in

35 sq ft

5040 sq in

35 sq ft is equal to 5040 sq in

36 sq ft

5184 sq in

36 sq ft is equal to 5184 sq in

37 sq ft

5328 sq in

37 sq ft is equal to 5328 sq in

38 sq ft

5472 sq in

38 sq ft is equal to 5472 sq in

39 sq ft

5616 sq in

39 sq ft is equal to 5616 sq in

40 sq ft

5760 sq in

40 sq ft is equal to 5760 sq in

41 sq ft

5904 sq in

41 sq ft is equal to 5904 sq in

42 sq ft

6048 sq in

42 sq ft is equal to 6048 sq in

43 sq ft

6192 sq in

43 sq ft is equal to 6192 sq in

44 sq ft

6336 sq in

44 sq ft is equal to 6336 sq in

45 sq ft

6480 sq in

45 sq ft is equal to 6480 sq in

46 sq ft

6624 sq in

46 sq ft is equal to 6624 sq in

47 sq ft

6768 sq in

47 sq ft is equal to 6768 sq in

48 sq ft

6912 sq in

48 sq ft is equal to 6912 sq in

49 sq ft

7056 sq in

49 sq ft is equal to 7056 sq in

50 sq ft

7200 sq in

50 sq ft is equal to 7200 sq in

51 sq ft

7344 sq in

51 sq ft is equal to 7344 sq in

52 sq ft

7488 sq in

52 sq ft is equal to 7488 sq in

53 sq ft

7632 sq in

53 sq ft is equal to 7632 sq in

54 sq ft

7776 sq in

54 sq ft is equal to 7776 sq in

55 sq ft

7920 sq in

55 sq ft is equal to 7920 sq in

56 sq ft

8064 sq in

56 sq ft is equal to 8064 sq in

57 sq ft

8208 sq in

57 sq ft is equal to 8208 sq in

58 sq ft

8352 sq in

58 sq ft is equal to 8352 sq in

59 sq ft

8496 sq in

59 sq ft is equal to 8496 sq in

60 sq ft

8640 sq in

60 sq ft is equal to 8640 sq in

70 sq ft

10080 sq in

70 sq ft is equal to 10080 sq in

80 sq ft

11520 sq in

80 sq ft is equal to 11520 sq in

90 sq ft

12960 sq in

90 sq ft is equal to 12960 sq in

100 sq ft

14400 sq in

100 sq ft is equal to 14400 sq in

Difference between Square Feet and Square Inches

Square Feet and Square Inches might look similar to many but they are different in terms of values. Besides, they have different uses at distinct places. To know more, have a look at the table below:

Basis of Comparison

Square Feet

Square Inch

Definition

1 Square Foot refers to the sides of the square measuring 1 foot each. It is used to measure the area of land.

A Square Inch refers to a Square measuring each side as 1 Inch. It is a customary unit of measurement within the United Kingdom and the United States.

Symbol

sq. ft, sf, or ft²

Sq in, in²

Equation

1 Square foot = 144 Inches

1 Square Inch = 0.00694444 Sq Ft.

Size

One Square Foot is bigger than a Square Inch.

One Square Inch is smaller than a Square Foot.

Use

Square Feet are typically used to measure the area of a house, residential plot, office space, etc.

A Square Inch is used to measure the area of a room or piece of land, or elements in textiles, painting, graphic design, and construction industries.

Applicability

It is used in countries like Canada, India, Pakistan, the United Kingdom, Myanmar, Liberia, Ghana, Hong Kong, Malaysia, and Singapore.

It’s mainly used within the UK and the US.

 

 

Acceptance

It’s a non-SI and non-metric system of measurement used as an imperial and U.S customary unit.

It is a customary unit of measurement within the United Kingdom and the United States.

Frequently Asked Questions (FAQs)

Q1. How many Inches are in a Square foot?

Ans: There is 144 Inch in a Square Foot.

Q2. How many Sq Ft is 12×12?

Ans: A room with sides 12 x 12 is equal to 144 Square Feet.

Q3. How do you convert Ft2 to Square Inches?

Ans: To convert Ft2 to Square Inches, you must multiply the value of Square Feet by 144. The resulting value would be in Square Inches.

For example: Convert 2 Square Feet into Square Inches.

Sol: Putting the value of Square Feet in the formula below, we will get-
Square Inch = Square Feet x 144 = 2 x 144 = 288 Square Inches.

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