WBC Volume
1 mm
Text Box: 1 mm
1 mm
“W” sections counted
Volume = 1x1x.1 = 0.1 mm3
Total Vol = 0.1 x 4 = 0.4 mm3
VCF = Desired volume
          Actual volume
VCF = 1.0 mm3
          0.4 mm3
VCF = 2.5