Square Inch to Square Feet Conversions
‘Inch’ and ‘foot’ are measurement units for length. Both are commonly used, with the preference for one or the other arising out of the length to be measured and local preference. ‘Inch’ is the smaller of the two units and is, therefore, preferred when measuring smaller lengths.
When the area of a two-dimensional space, such as land or the floor space of an apartment, is measured in terms of feet, the resulting figure is in square feet. When the area of a surface is measured in terms of inches, the resulting number is in square inches. The table below illustrates the relationship between these units.
What is square inch?
Square inch is a measurement unit of area; it is derived when area is calculated on the basis of measurements taken in inches. Given that ‘inch’ is a relatively small measurement unit of length compared to other common units such as meter, foot, and yard, it is commonly used to measure smaller surfaces. For instance, a property’s built-up area is commonly denoted in square feet or square meters, whereas the measurements for furniture or smaller interior details are other denoted in inches.
1 Square Inch |
0.00065 sq m |
1 Square Inch |
0.00694 sq ft |
1 Square Inch |
6.452 sq cm |
1 Square Inch |
645.16 sq mm |
1 Square Foot |
144 sq in |
1 Square Meter |
1,550 sq in |
What are square feet?
Square feet are a measurement unit for area; it is derived when area is calculated on the basis of measurements taken in the unit ‘foot’ (plural: feet). Square feet are commonly used to denote the area of a flat, bungalow, and other constructions in the present day.
1 sqft |
144 square inches |
1 sqft |
0.11 square yards |
1 sqft |
0.0929 square meters |
1 sqft |
0.00002295684113 Acre |
1 sqft |
0.0009182736455 Guntha |
Steps to convert square inch to square feet (Sq Inch to Sq ft)
Given how commonly both units – square inches and square feet – are used in current real estate projects, one may often need to convert values between the two units. When assessing, selling, or buying a property, it is imperative that all parties involved converse in one common unit to ensure effective communication.
For quick and accurate conversions, you can use an area converter tool.
Formula to convert square inches to square feet:
Area in square inches x 0.007 = Area in square feet
In other words, you need to multiply the area you want to convert from square inches to square feet with 0.007 to arrive at the area in terms of square feet. The table below illustrates a few such conversions.
Sq. Inches |
Sq. Feet |
1 |
0.007 |
5 |
0.035 |
10 |
0.07 |
15 |
0.105 |
20 |
0.14 |
Steps to convert square feet to square inch
You may also need to convert square feet to square inches, particularly when assessing the area of smaller surfaces and spaces.
1 square feet in inches is 144. So, the formula to convert to square feet to square inches is:
Area in square feet x 144 = Area in square feet
You need to multiply the area you wish to convert with 144 to arrive at the final number in terms of square inches. The table below illustrates a few such conversions.
Sq. Feet |
Sq. Inches |
1 |
144 |
5 |
720 |
10 |
1,440 |
15 |
2,160 |
20 |
2,880 |
Popular square inch to square feet conversions
Square inch |
Square feet (Sqft) |
1 square inch to square feet |
0.007 |
2 square inch to square feet |
0.014 |
3 square inch to square feet |
0.021 |
4 square inch to square feet |
0.028 |
5 square inch to square feet |
0.035 |
6 square inch to square feet |
0.042 |
7 square inch to square feet |
0.049 |
8 square inch to square feet |
0.056 |
9 square inch to square feet |
0.063 |
10 square inch to square feet |
0.069 |
100 square inches to square feet |
0.7 square feet |
200 square inches to square feet |
1.4 square feet |
300 square inches to square feet |
2.1 square feet |
500 square inches to square feet |
3.5 square feet |
Difference between square inch and square feet
Criteria |
Square Inch |
Square Feet |
Abbreviation |
sq in |
sq ft |
Basic unit |
1 square inch equals 1 inch × 1 inch |
1 square foot equals 1 foot × 1 foot |
Relationship |
1 square foot equals 144 square inches |
1 square inch equals 1/144 square feet |
Common use |
Often used for small-scale measurements, especially in crafts or detailed areas |
Commonly used for larger areas, such as rooms or entire buildings |
Conversion to square yards |
1 square yard equals 1,296 square inches |
1 square yard equals 9 square feet |
Size perspective |
Smaller unit, suitable for precise measurements |
Larger unit, practical for measuring larger areas |
Conversion factor (to square feet) |
1 square inch equals approximately 0.00694 square feet |
1 square foot equals 144 square inches |
Some popular area conversions
Frequently asked questions
1 Square inch equals 0.007 square ft. You can use a unit calculator available online to easily convert the desired number from Square inch to square feet.
The symbol of square inch is sq inch.
The symbol of Square Feet is ft2, so you can write 1 Square feet as sq ft.
The most common land measurement units in India include acres, bighas, square feet, and hectares, among others.
There are 0.0694 square feet in 10 square inches. To convert square inches to square feet, you need to divide the square inches by 144.
A square inch is a unit of measurement for the area that is equal to a square with sides that are 1 inch in length. There are 0.3472 square feet in 50 square inches.
There are 0.694 square feet in 100 square inches. Square inches and square feet are used in home loans to determine the land's value, legal status, and ownership. Land measurement units like square feet are necessary for calculating the land area and determining the loan amount that a borrower is eligible for.
Globally accepted land measurement units for larger lands include the hectare (ha), acre, square kilometer (km²), square mile (mi²), dunam, and square meter (m²). The hectare is commonly used in agriculture, while the acre is a traditional unit in the United States and the United Kingdom. Square kilometers and square miles are widely employed for larger territories, and the dunam is used in some Middle Eastern countries. The choice of unit may vary by region, but for international consistency, hectares, square kilometers, and acres are frequently used.
Square feet is larger than square inches.