How Much Concrete for a 6x150 Sidewalk?
A sidewalk 6 feet wide and 150 feet long is 900 square feet. Poured 4 inches thick, that is 11.11 cubic yards. How much concrete for a 6x150 sidewalk with a 10 percent allowance: about 12.22 yards.
Concrete calculator →Step-by-step
- Area: 6 × 150 = 900 sq ft.
- Volume: 900 × (4 ÷ 12) = 300.0 cu ft.
- Yards: ÷ 27 = 11.11 yd³.
- Bags instead: 500 bags of 80 lb mix (667 of 60 lb).
Related: How Much Concrete for a 6x10 Sidewalk?
Concrete by thickness
| Thickness | Cubic feet | Cubic yards | Yards +10% | 80 lb bags | 60 lb bags |
|---|---|---|---|---|---|
| 4 in | 300.0 | 11.11 | 12.22 | 500 | 667 |
| 5 in | 375.0 | 13.89 | 15.28 | 625 | 834 |
| 6 in | 450.0 | 16.67 | 18.33 | 750 | 1,000 |
Thickness for walks
Most residential sidewalks are 4 inches thick on a compacted gravel base. Thicken any section that a car, mower or delivery cart will roll over, especially where the walk meets the drive.
Related: How Much Concrete for a 6x20 Sidewalk?
Joints along the walk
Tool a control joint about every 6 feet, matching the width, which gives roughly 24 joints along this walk. Add an isolation joint where the walk meets the house, steps or a driveway so the slabs can move independently.
How to buy it
This is past the point where bags are practical; call a ready-mix plant. If the truck cannot reach the far end of the walk, plan for wheelbarrows or a chute extension; see how far a concrete chute reaches.
Slope and finish
Slope the walk a little to one side for drainage and finish it with a broom for traction. Round the edges with an edging tool so they chip less.
Questions people ask
How many yards of concrete for a 6x150 sidewalk?
About 11.11 cubic yards at 4 inches thick.
How many bags for a 6x150 sidewalk?
About 500 bags of 80 lb concrete at 4 inches.
How thick should a sidewalk be?
Four inches for foot traffic, 6 inches where vehicles cross.
How far apart should sidewalk joints be?
About every 6 feet for a 6-foot-wide walk, keeping panels close to square.
When is bagged concrete practical?
Usually for jobs under about a cubic yard. Beyond that, mixing dozens of bags by hand gets slow and batches may not blend well.
Related guides
- Concrete Sidewalk Thickness for Walks and Crossings
- How Much Concrete for a Sidewalk? Yards per Foot
- How Much Area Does a Yard of Concrete Cover?
- How Many Bags of Concrete in a Yard? 40, 60, 80 lb
- Gravel Base Under a Concrete Slab: Depth and Tons
- How Many Yards in a Concrete Truck? Mixer Sizes
- Concrete Short Load Fee: What It Is and How to Cut It
- 60 lb vs 80 lb Concrete Bags: Yield, Count, and Cost
- Rebar vs Wire Mesh in a Slab: Which One to Use
- How Much Concrete for a 6x75 Sidewalk?
- How Much Concrete for a 6x100 Sidewalk?
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