Sand Particle Size Range

Particle Size

Measurement

Percentage

Very Coarse

1 – 2mm

40 +/- 10

Coarse

0.5 to 1mm

40 +/- 10

Medium

0.25 to 0.5mm

20 +/- 10

Fine – Very Fine

< 0.25mm

0 to 5

Clay and Silt

<0.05

0