Bags per cubic yard
| Bag | Yield per bag | Bags per cubic yard |
|---|---|---|
| 40 lb | 0.3 cu ft | 90 bags |
| 50 lb | 0.375 cu ft | 72 bags |
| 60 lb | 0.45 cu ft | 60 bags |
| 80 lb | 0.6 cu ft | 45 bags |
Yields are from Quikrete’s Concrete Mix data sheet. Other brands print their yields on the bag; most are close.
When to stop buying bags
At 45 bags of 80 lb mix, a yard is about 3,600 lb of bags to load, carry and mix. Many people switch to a ready-mix truck or a rental trailer of mixed concrete at around a yard.
Use the concrete calculator to get your exact count.
Sources
Sources last checked 1 November 2026.