Page 15
September 2015
AUT-UM-01734-EN-03
Calculating The Scale Factor
Figure 1: Chart of Approximate Scale Factors for Fluids of Different Viscosities
Fluid
Viscosity
Scale Factor
Water/Anti-Freeze
5
1 044
Anti-Freeze
18
1 007
Brake Fluid
42
1 004
ATF
80
1 002
10W
140
1 000
80W-90
450
0 999
140W
1800
0 993
Table 1: Samples of Fluids, Viscosities and Scale Factors