Definition: A square foot (symbol: sq ft) is a unit of area used in the imperial and US customary systems (UCS). It is defined as the area of a square with one-foot sides. One square foot equals 144 square inches. History/origin: The origin of the square foot can be seen in the term itself. It is a measurement derived from the area of a square with a side length measured in feet. Obviously, this is where our concrete calculator can help you – precisely estimating you the amount in cubic yards (one cubic yard equals to 27 cubic feet). For large concrete jobs (of 4 cubic yards or more), the concrete calculator can help you see the amount which needs to be delivered by a ready-mix truck. 16 x 10 = 160 square feet; 160 divided by 81 = 2 cubic yards (81 comes from the chart, 81 is how many square feet 1 cubic yard covers at a 4 inch depth) Triangle. Measure length and width of 2 sides; Length x Width x 0.5 = square feet; Square feet divided by sq. Per yard (from chart) = cubic yards needed.

1. 2 Lots Equals How Many Square Feet Meter
2. 2 Lots Equals How Many Square Feet Equals
3. 7 Yards Equals How Many Feet

The number 43,560 is a constant used to convert square feet to acres. Using the example above, 12,650/43,560 would equal a land plot with 0.29 acres.

Enter linear feet and the material width to calculate the total square footage of material. If you know how many square feet of material, enter that and the material width to convert to linear feet.

Result:

On this page:

How to Convert Linear Feet to Square Feet

Before doing any calculations, it’s important to understand what linear feet and square feet are. Linear footage is a measure of length or distance, while square footage is a measure of area.

Because these are different types of measure, some additional information will be needed to convert between the two. For the calculator above, the material width is used in conjunction with length to calculate the area.

To convert linear footage to square footage, use the following area formula.
area = length × width

To use the formula, insert the linear feet measurement for length and material width for the width. If you’re stuck on how to find this, learn more about how to find linear feet.

For example, let’s find how many square feet of lumber there will be if there are 5 linear feet of boards that are 6″ wide.

Start by converting the width measurement to feet, so we have common units of measure.

ft. = 6″ / 12 = .5′

Now use the area formula to convert to square feet.

area = 5′ × .5′
area = 2.5 sq. ft.

How to Convert Square Feet to Linear Feet

To find how many linear feet of material is needed to cover a known square footage, the area formula will need to be reversed. Start by converting the material width to feet if it’s in inches. Then, use this formula to convert to linear feet.

To convert linear footage to square footage, use the following area formula.
length = area ÷ width

If you’re unsure how to find the area of a space, try using our square footage calculator.

For example, let’s find how many linear feet of hardwood flooring will be needed to cover a 120 sq. ft. room if the boards are 3″ wide.

Convert the width measurement to feet.

ft. = 3″ / 12 = .25′

Now convert to linear feet.

length = 120 sq. ft. ÷ .25′
length = 480 linear feet

Recommended

How Much Material Do You Need?

For estimating quantity needed for irregular areas break the area up into smaller workable shapes. Measure each of them and assign them a letter. Calculate square feet for each and add the square footage together to figure total needed.

Rectangle

• Measure Length and Width (in feet)
• Length x Width = square feet
• Determine desired depth of material (see recommended depths and chart below)
• Square feet divided by sq. ft. per yard (from chart) = cubic yards needed
• Example: A rectangular area 16 feet long by 10 feet wide and you want 4 inches deep of stone.
• Calculations:
• 16 x 10 = 160 square feet
• 160 divided by 81 = 2 cubic yards (81 comes from the chart, 81 is how many square feet 1 cubic yard covers at a 4 inch depth)

Triangle

• Measure length and width of 2 sides
• Length x Width x 0.5 = square feet
• Square feet divided by sq. ft. per yard (from chart) = cubic yards needed
• Example: Given a triangle are where one side is 40 feet long, one side is 10 feet long and you want 4 inches deep of mulch or stone
• Calculations:
• 40 x 10 x 0.5 = 200 square feet
• 200 divided by 81 = 2.5 cubic yards (81 comes from the chart)

2 Lots Equals How Many Square Feet Meter

Circle

• Determine radius (1/2 distance of diameter or distance across)
• Formula: Radius x Radius x 3.14 = square feet
• Square feet divided by sq. ft. per yard (from chart) = cubic yards needed
• Example: Given a circle 30 feet across (15 ft radius) and you want 3 inches deep
• Calculations:
• 15 x 15 x 3.14 = 706.5 square feet
• 706.5 divided by 108 = 6.5 cubic yards

Conversion Chart – Square Feet to Cubic Yards

Converts square feet to cubic yards 1 cubic yard will cover the following amount of square feet at the given depth.

• 1/4” deep 1296 square feet
• 1” deep 324 square feet
• 2” deep 162 square feet
• 3” deep 108 square feet
• 4” deep 81 square feet
• 6” deep 54 square feet
• 12” deep 27 square feet

Recommended Depth of Materials

• Bark Mulches 3”
• Stone less than 1' diameter 3'
• 1-1 1/2' Riverstone 4'
• Soil for Lush Lawns 4+'
• Garden Soil in Flower Beds 6-12'
• Lawn topdressing 1/4'
• Pathways 4'

Volume Fun Facts

• There are 54 50lb bags of stone or sand per cubic yard.
• 27 cubic feet equal 1 cubic yard (3'L x 3'W x 3'H).
• Soil weighs about 2,200 lbs per cubic yard.
• Stone weighs about 2,700 lbs per cubic yard.
• Mulch weighs 250-750 lbs per cubic yard.
• Full size pick-up with 8’ box a heaping load is 3 cubic yards.
• Small size pick-up heaping load is 1 ½ cubic yards.
• Typically a full size truck can take ½ - 1 cubic yard stone or soil.
• Typically a small pickup truck can take ⅓ - ½ cubic yard stone or soil.
• 7 to 12 wheel barrow loads in 1 cubic yard.
• When topdressing previously mulched beds you only need to add enough mulch to existing bed to get a total of 3'.
• Installing less than the recommended amounts of stone can result in OK short term appearance but after a few years the stones somehow disappear and the ground reappears.

Bags or Bulk

• Try to make an educated guess of quantity needed using the formulas. If you are still unsure how much bagged or bulk material to get provide the measurements to the KLS staff and they can help you estimate.
• There are 54 bags of stone or soil per 1 cubic yard.
• There are 27 1 cubic foot bags or 18 1.5 cubic foot bags of mulch per yard.
• Consider a ½ cubic foot bag of stone or soil weighs about 50 lbs and will cover 2 square feet at 3' deep. A bag of hardwood or cedar bark contains about 1 cubic foot of material, enough to cover about 4 square feet at 3' deep. If you have large areas you probably need bulk.
• A less expensive alternative to buying in bags is to bring in and fill up your own containers with bulk materials.
• If you are dressing up a small area maybe bags are best if you do not have a way to haul bulk material.
• Mulch purchased by the bag is about 2 or 3 times more costly than bulk.
• Stone purchased by the bag is about 3 or 4 times more costly than bulk.
• Soil purchased by the bag is about 4 or 5 times more costly than bulk.

Tips for moving bulk material

• When shoveling heavy materials, using more small shovelfuls is easier on your body than using fewer but larger shovelfuls.
• Think about where you are hanging onto your shovel, the closer your hand is to the weight the easier the less effort it takes.
• Make sure to maintain good posture, minimize heavy work with bent over back, maximize use of your legs.
• Work at a good pace, do not dwell on how much you still need to move. Try to focus on how much material you already moved, how good it is going to look after your done and how much money you are saving by doing it yourself.
• What a great time to have friends, and family over!

What Does a Cubic Yard Look Like?

Below are some pile samples to give you an idea of how large piles are for a given quantity of material. The volume of a pile of soil, stone or mulch will be the same. However, a pile of Riverstone may look different from the pile of cedar mulch because it will likely be a lower, wider and longer pile because the round stones spread out farther when dumped.

2 Lots Equals How Many Square Feet Equals

The sample piles show Tim who is 6’ tall and is holding a yardstick.

2 Cubic Yards

7 Yards Equals How Many Feet

8 Cubic Yards