How Much Crusher Run for a 7x8 Hot Tub Pad?
How much crusher run for a 7x8 hot tub pad: about 1.6 tons at 6 inches deep. The area is 56 square feet, which is 1.04 cubic yards at that depth.
Volume and tonnage calculator →The math
- Area: 56.0 sq ft.
- Depth in feet: 6 ÷ 12 = 0.500 ft.
- Cubic yards: 56.0 × 0.500 ÷ 27 = 1.04 yd³.
- Tons: × about 1.55 tons per yard = 1.6 tons.
The crushed stone calculator does this for any size.
Related: How Much Gravel for a 7x8 Hot Tub Pad?
Crusher run needed by depth
| Depth | Cubic yards | Tons of crusher run | Tons +10% |
|---|---|---|---|
| 4 in | 0.69 | 1.1 | 1.2 |
| 6 in | 1.04 | 1.6 | 1.8 |
| 8 in | 1.38 | 2.1 | 2.4 |
Hot Tub Pad tips
Hot tubs are heavy once full of water and people. A compacted stone pad of about 4 to 6 inches, perfectly level, works for many tubs, but check the manufacturer’s base requirements before you build.
Related: How Much Crushed Stone for a 7x8 Hot Tub Pad?
Prep
Clear vegetation, rake the soil level and compact it. Lay fabric overlapped at the seams and set edging before spreading the stone.
Ordering and delivery
If you haul it yourself, a typical half-ton pickup should carry only about half a cubic yard of stone, well under what the bed looks like it can hold. Crusher run mixes stone and stone dust, so it packs nearly solid when compacted in layers. The scale ticket is the real weight; tons per yard here is a planning figure.
Planning the cost
Quarries and landscape suppliers set their own prices, and they change by region and season. Get the price per ton, the delivery fee and the minimum order. If two products will both work, compare cost per square foot at your depth rather than cost per ton.
Tools for the job
For anything bigger than a small path, rent a plate compactor; hand tampers cannot match it. A wheelbarrow, shovels, a hard rake and stakes with string are the rest of the kit. Wet the stone lightly before compacting so it binds.
Questions people ask
How many tons of crusher run for a 7x8 hot tub pad?
About 1.6 tons at 6 inches deep.
How many yards of crusher run for a 7x8 hot tub pad?
About 1.04 cubic yards.
How many tons of crusher run are in a cubic yard?
Roughly 1.55 tons for planning, but suppliers vary with stone size and moisture.
Do I need to compact it?
Yes for anything that carries weight. Compact in lifts of a few inches with a plate compactor.
Related guides
- Gravel Pad for a Hot Tub: Size, Depth, and Base
- Concrete Slab for a Hot Tub: Size, Thickness, Yards
- How Much Does a Ton of Gravel Cover? Depth Chart
- Tons to Cubic Yards for Gravel: Conversion Chart
- Crushed Stone vs Gravel: Differences and Best Uses
- Geotextile Fabric for Driveways: Woven vs Nonwoven and How Much You Need
- Compacting a Driveway Gravel Base in Lifts
- How Much Crushed Stone for a 7x7 Hot Tub Pad?
- How Much Gravel for a 7x7 Hot Tub Pad?
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