Aggregate Gradation Table

Gravel

Material U S 2″ 1-1/2″ 1-1/4″ 1″ 3/4″ 1/2″ 3/8″ #4 #8 #200
MM 50.0 37.5 31.5 25.0 19.0 12.5 9.51 4.75 2.38 0.075
1-1/2″ x 1″ 99-100 90-100 20-55 0-15 0-5 0-1
3/4 Minus 100 95-100 25-60 0-10 0-5 0-1
3/8″ Pea Gravel 80-100 10-30 0-10 0-1

Sand

Material U S 1/2″ 3/8″ #4 #8 #16 #30 #50 #100 #200
MM 12.5 9.51 4.75 2.36 1.18 0.600 0.300 0.150 0.075
Building Sand 100 95-100 45-80 10-30 2-10 0-2.5
Fine Sand 100 95-100 70-100 40-75 10-35 2-15 0-1.5

Crushed Gravel

Material U S 1-1/4″ 1″ 3/4″ 5/8″ 1/2″ 3/8″ #4 #10 #40 #200
MM 31.5 25.0 19.0 16.0 12.5 9.51 4.75 2.00 0.425 0.075
Building Sand 100 45-100 0-24 0-3
5/8″ Minus 100 44-66 8-24 0-10