The results from this gravel calculator are only to be used as a rough guide as exact conversions depend on many factors. These vary from moisture content to method of compaction. Longwater Gravel cannot be held responsible for any surplus or shortfall found on site. If .
Crushed stone is produced by crushing quarry rock, boulders, cobbles, or largesize gravel. Crushed aircooled blastfurnace slag is also used as fine or coarse aggregate. The aggregates are usually washed and graded at the pit or plant. Some variation in the type, quality, cleanliness, grading, moisture content, and other properties is expected.