How Many Tons of Asphalt for a Half-Court Basketball Pad?

A planning half court is about 30 by 25 feet up to about 42 by 25 feet. A 30 by 25 pad is 750 square feet, about 9.1 tons at 2 inches and about 13.6 tons at 3 inches. Keep the slope small and in one direction. Set the hoop foundation before you pave.

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Pick the rectangle before the mix

Backyard half courts are not all one size. A planning range is about 30 by 25 feet up to about 42 by 25 feet. Measure the rectangle you will actually pave, including a little margin beyond the lines if you want room to land. A 30 by 25 foot pad is 750 square feet. Use 145 pounds per cubic foot for compacted hot mix. Tons equal length times width times inches divided by 12, times 145, divided by 2000. At 2 inches, 750 times 2 divided by 12 is 125 cubic feet, times 145 is 18,125 pounds, divided by 2000 is about 9.1 tons. At 3 inches, 750 times 0.25 is 187.5 cubic feet, times 145 is about 27,188 pounds, divided by 2000 is about 13.6 tons. Both are planning estimates. The plant ticket is the real weight.

Flatness beats a driveway crown

A crown that helps a driveway shed water to both sides will make a basketball bounce crooked and will send players running on a ridge. Plan the slope small and in one direction so the court drains without a hump in the lane. The base has to be flat to that plane before asphalt arrives, because the mat will copy the stone. A string line or a laser across the pad will show dips that become dead spots in the dribble. Color and paint come after the mat has weathered enough to accept them. Paint does not fix a birdbath. If you want a thicker playing surface for durability, use the 3-inch figure and accept the extra tons. A 2-inch mat is a planning option on a very sound base, not a promise that it will feel like a gym floor.

Hoop, edges, and what not to add

Hoop foundations and any sleeve for the pole go in before paving. Cutting a hole in a new court for a late pole cracks the playing surface and leaves a patch in the lane. Keep the footing independent so the pole does not lever the mat. Edges should be full thickness on a base that extends a bit past the asphalt, or the sideline crumbles where players step off. Do not add a steep swale across the court to fix yard drainage. Move that water around the pad. The tons above are for 750 square feet. A 42 by 25 foot pad is 1,050 square feet, which at 3 inches is 1,050 times 0.25 times 145 divided by 2000, about 19.0 tons, again a planning estimate. Order the size you measured, and let the plant ticket close the weight.

A practical sequence

Measure the half-court rectangle, using 30 by 25 as a planning example.
Compute tons at 2 and 3 inches with 145 pounds per cubic foot.
Slope the base gently in one direction instead of crowning the lane.
Set the hoop foundation before paving and treat the tons as a planning estimate.

The mistake to skip

Crowning the court like a driveway and setting the hoop after the asphalt is down.

Questions people ask

Is 9.1 tons enough for a half court?

About 9.1 tons is the planning weight for 750 square feet at 2 inches, and about 13.6 tons is the same pad at 3 inches. A larger 42 by 25 foot pad needs more. The plant ticket is the real weight. Choose thickness for the base you have and the durability you want. The number is not a price and not a rule that every court is 30 by 25.

Can I pave the court on the same day as the driveway?

Yes if the plant is shipping one mix and the crew can keep the court flatter than the drive. Do not let them crown the court to match the driveway. Order tons for each area separately so a thick driveway flare is not subtracted from the court. Both figures are planning estimates until the ticket is in hand.

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