How Much Gravel for a 20x50 RV Pad?
How much gravel for a 20x50 RV pad: about 25.9 tons at 6 inches deep. The pad covers 1,000 square feet, enough for most fifth wheels and Class A coaches.
Volume and tonnage calculator →The math
- Area: 1,000.0 sq ft.
- Depth in feet: 6 ÷ 12 = 0.500 ft.
- Cubic yards: 1,000.0 × 0.500 ÷ 27 = 18.52 yd³.
- Tons: × about 1.4 tons per yard = 25.9 tons.
The gravel calculator does this for any size.
Related: How Much Crushed Stone for a 20x50 RV Pad?
Gravel needed by depth
| Depth | Cubic yards | Tons of gravel | Tons +10% |
|---|---|---|---|
| 4 in | 12.35 | 17.3 | 19.0 |
| 6 in | 18.52 | 25.9 | 28.5 |
| 8 in | 24.69 | 34.6 | 38.0 |
| 12 in | 37.04 | 51.9 | 57.0 |
Depth for an RV pad
RVs put a lot of weight on a few tires and leveling jacks. A 6-inch compacted base suits most firm soils; soft or clay ground often needs 8 inches or more and a woven fabric underneath. Put jack pads or small concrete pads where the jacks land.
Related: How Much Crusher Run for a 20x50 RV Pad?
Size and access
A 20-foot width gives comfortable room to open slide-outs and walk around the rig. Add a wider entry flare where the pad meets the driveway so you can swing in without cutting across the lawn.
Drainage
Build the pad a little higher than the yard and slope it gently. Standing water under an RV softens the base and invites rust.
Ordering and delivery
Most quarries and landscape yards deliver by the ton; ask whether there is a minimum and a delivery fee, and where the driver can dump without damaging your lawn. Gravel is a broad label, so confirm whether the yard means crushed or rounded stone and whether it carries fines. Ask your supplier for their own tons-per-yard number, since stone source and moisture change it.
Questions people ask
How many tons of gravel for a 20x50 RV pad?
About 25.9 tons at 6 inches deep.
How thick should an RV gravel pad be?
At least 6 inches compacted; 8 to 12 on soft soil.
Do I need fabric under an RV pad?
On soft or clay soil, a woven geotextile helps keep the stone from sinking.
How many tons of gravel are in a cubic yard?
Roughly 1.4 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
- 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 20x40 RV Pad?
- How Much Crusher Run for a 20x40 RV Pad?
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