Tubing ID Volume/length
mm Inches µl/cm µl/in
0.050 .002" 0.02 0.05
0.064 .0025" 0.03 0.08
0.075 .003" 0.04 0.12
0.10 .004" 0.08 0.21
0.13 .005" 0.13 0.32
0.17 .0067" 0.23 0.58
0.18 .007" 0.25 0.63
0.25 .010" 0.51 1.29
0.38 .015" 1.14 2.90
0.50 .020" 2.03 5.15
0.64 .025" 3.17 8.04
0.75 .030" 4.56 11.58
1.00 .040" 8.11 20.59
1.40 .055" 15.39 38.93
1.52 .060" 18.24 46.33
1.59 .062" 19.86 49.47
1.65 .065" 21.38 54.38
1.70 .067" 22.70 57.78
1.78 .070" 24.83 63.06
2.00 .079" 31.42 80.32
2.10 .083" 34.64 88.66
2.16 .085" 36.61 92.99
2.40 .094" 45.24 113.72
3.18 .125" 79.4 201
3.76 .148" 111 282
4.35 .171" 149 376