Square Footage Calculator

Square Footage: sq ft

Calculation Steps:

Formula Used:

In mathematics, square footage calculates the area of two-dimensional shapes, defined by a set of lines. It is vital in practical applications, such as determining the materials needed for home improvement projects. If you are struggling with this calculation, the square footage calculator is here to assist. This calculator is a free online tool that quickly computes the area based on your measurements. Ensure all dimensions are in feet before using the tool. If your measurements are in inches, convert them to feet first. Once you have the length and width in feet, simply multiply them to determine the square footage using the formula given below. The square footage calculator simplifies the process and makes it easier for you to plan and estimate the materials for your project.

How to Calculate Square Footage?

Square footage refers to an area measured in feet, commonly abbreviated as sq ft or ft². One square foot represents the area of a square with each side measuring 1 foot or 12 inches. To learn how to calculate square footage, you can use the square footage formula, which is the length multiplied by the width. 

Square Footage Formula = Length (feet) x Width (feet)

This formula applies to rectangles, and we will also discuss how to figure out square footage of a wall, how to calculate the square footage of a house, and other calculations in the subsequent sections of the blog.

How to Figure Out the Square Footage of a Wall?

To calculate the square footage of a wall, follow these steps:

  • Step 1: Measure the height of the wall from the floor to the ceiling, excluding baseboards and mouldings.
  • Step 2: Measure the length of the wall. Please ensure that the doors and windows are also included while measuring.
  • Step 3: Multiply the height by the length to determine the total square footage of the wall.
  • Step 4: For accuracy, subtract the areas of uncovered sections, such as windows, doors, or closets.

How to Calculate the Square Footage of a House?

When measuring the square footage of a home for real estate purposes, different rules apply compared to flooring projects to determine inhabitable space. The liveable size of a home impacts its market value, appraisal price, and property taxes, so accurate measurements are crucial. 

To calculate the total square footage:

  • Step 1: Measure each room's dimensions in feet using a tape measure.
  • Step 2: Use the appropriate formula to calculate the area of each room based on its shape. For example, for rectangular rooms, multiply the length by the width to find the area in square feet. For irregular rooms, divide them into smaller sections, and calculate each section's area separately. 
  • Step 3: Add the areas together to get the total square footage.
  • Step 4: You can also use a calculator to simplify this process for one or more rooms.

Square Footage of a Triangle

Follow the steps given below to calculate the square footage of a triangle: 

  • Step 1: Measure the triangle's length and width in feet.
  • Step 2: Multiply the length by the width.
  • Step 3: Divide the result by two to find the square footage.

How to Find the Square Footage of a Circle?

Follow the steps given below to calculate the square footage of a circle:

  • Step 1: Measure the circle’s diameter in feet.
  • Step 2: Divide the diameter by 2 to find the radius, then square the radius (multiply it by itself).
  • Step 3: Multiply the squared radius by π (approximately 3.1416).

How to Use the Square Footage Calculator?

If you are curious about how to calculate square footage using the calculator, you can follow the steps given below:

  • Step 1: Enter the length and width in their respective input fields.
  • Step 2: Click the "Calculate Square Footage" button.
  • Step 3: The calculated square footage will appear in the output field.

How to Calculate Price Per Sq Ft?

To calculate the price per square foot of a home, divide the total cost of the home by its total square footage:

Price per ft² = Total price ÷ Total square footage

For example, if a home in Mumbai costs ₹1,00,00,000 and has an area of 1,000 ft²:

Price per ft² = ₹1,00,00,000 ÷ 1,000 ft²

Price per ft² = ₹10,000

Key Takeaways

Knowledge of square footage is helpful in a wide variety of different real-life situations, from renovation to estimating properties’ value. From a wall to a house, a triangle, to even a circle, measurement of area using the square footage formula is easy and produces more accurate results. Online resources such as the square footage calculator make this task even easier to accomplish. The use of accurate measurements promotes efficiency in the planning and usage of materials as well as proper cost estimations when one has to decide on the type of floor to use or even value properties based on the prices per area units. These calculators are helpful for anyone and can be used for both personal and professional situations.

FAQs

How do I calculate sq ft?

If you want to find the square footage, you need to just multiply the length and width. For example, if you want to find the square footage 40 feet × 20 feet floor, then multiply the dimension 40 x 20.

How to find square footage of a triangle?

To find the square footage of a triangle:

  • Measure the triangle's base (length) and height in feet.
  • Multiply the base by the height.
  • Divide the result by 2.

How do you calculate square feet from inches?

To convert square inches to square footage, divide the number of square inches by 144.

Formula:

Square Footage = Square Inches ÷ 144

For example, if a room has an area of 1,800 square inches:

Square Footage = 1,800 ÷ 144 = 12.5 square feet.

How to find square footage of a rectangle?

To find the square footage of a rectangle, first, measure the length and width of the area in feet. Next, multiply these two values together to calculate the total square footage or area of the rectangle.

How to find square footage of a circle?

To calculate the square footage of a circle, first find the centre of the circle and measure the distance from this point to the edge. This distance is the radius. Next, square the radius by multiplying it by itself. The next step would be to multiply that result by 3.14 (π). The final number you get will be the square footage of the circle's area.

How many square feet is a 20x20 room?

By multiplying the length (20 ft) and width (20 ft), we can get the square footage of the room, which is 400 ft2.

Does house square footage include garage?

No. Square footage standards typically exclude garage space, even if finished, from the total square footage.

What is usable square footage?

Usable square footage is a term commonly used in commercial real estate to refer to the actual area a tenant can occupy, excluding shared spaces such as stairwells, hallways, and lobbies. In residential real estate, usable square footage refers to the area within your private living space, excluding common areas like hallways, storage closets, and shared spaces such as kitchens and living rooms.

1 acre is how many sq ft?

1 acre is equal to 43,560 square feet. 

How many feet is 1 sq ft?

One square foot is equal to one foot in length and one foot in width. A square foot is a unit of measurement for area and is often used to determine the size of properties. It is abbreviated as sq ft, SF, or ft2.

How to convert ft to sq ft?

To convert feet to square feet, you can multiply the length in feet by the width in feet: 

  • Formula: Length (in feet) x width (in feet) = area in sq. ft

Are square feet and feet the same?

No. Square feet and feet are not the same. A foot is a linear measurement, whereas a square foot is a unit of area. A square foot refers to the area of a 2D shape with each side measuring one foot in length.

How many square feet is a 12x12 room?

The square footage of a 12 ft x12 ft room is 144 ft2. 

Why do you divide by 144 to get square footage?

Square footage is calculated by dividing square inches by 144 because one square foot is equal to 144 square inches.

How do you calculate the square footage of a wall?

To find the square footage of a wall, first measure its length and height. Then, multiply these two measurements to get the total area. For example, if the wall is 20 feet long and 12 feet high, the calculation would be:

Square footage = length (20 ft) × height (12 ft) = 120 sq ft