Conversions + Calculators

Coverage by Ton or Yard

All calculations are based on 1 cubic yard at the depths listed.

Depth	#9 Lime	#10 Lime	#57 Lime	#411 Lime	#8 Gravel	#57 Gravel	#34 Gravel	Topsoil	Mulch
1″	338	338	338	338	293	338	338	270	300
2″	159	159	159	159	146	159	159	135	159
3″	108	108	108	108	94	108	108	87	100
4″	82	82	82	82	73	82	82	66	75
5″	64	64	64	64	59	64	64	52	60
6″	54	54	54	54	45	54	54	44	49
7″	47	47	47	47		47	47	38	43

All calculations are based on 1 ton at the depths listed.

Depth	Grit#10	#8	#57	#4	#1&2
1″	240	293	338	271	250
2″	115	146	168	140	124
3″	70	94	108	90	80
4″	58	73	84	70	62
5″	46	59	65	56	50
6″	38	45	54	45	40

Formulas

Cubic Yardage = Length in feet x Width in feet x Depth in feet (inches divided by 12). Take the total and divide by 27 (the amount of cubic feet in a yard).

Tonnage = yards x 1.4 (for aggregates)