A 8×8 ft sandbox filled 6 inches deep takes 32 cubic feet of sand — 64 bags of 50 lb play sand. For 12 inches deep, buy 128 bags.
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Your results
Sand needed64 bags (50 lb)
Cubic feet32 cu ft
Cubic yards1.19 cu yd
Tons (bulk)1.6 tons
Sand for an 8×8 sandbox by depth
Depth
Cubic feet
50 lb bags
Tons (bulk)
4 in
21.3
43
1.07
6 in
32
64
1.6
8 in
42.7
86
2.13
10 in
53.3
107
2.67
12 in
64
128
3.2
At this size, bulk play sand delivered by the ton can be cheaper than bags — ask a landscape supplier for washed play sand. A breathable cover keeps out leaves and animals.
The math
8 × 8 × 6 in ÷ 12 = 32 cu ft
32 ÷ 0.5 cu ft per bag = 64 bags
Common questions
How many bags of sand for an 8x8 sandbox?
64 bags of 50 lb sand at 6 inches deep, or 128 bags at 12 inches.
