1. A method for the quantitative determination of surface properties, wherein a spatially resolved image of a surface to be analysed, which contains a large number of measured values, is evaluated, said method comprising the steps: analysing the measured values in order to determine those surface areas (A) of the image which represent a specific physical property that can be characterised by the measured values; determining a result value (I) of this physical property, wherein this result value is characteristic of the measured values of the physical property of all those surface areas (A) determined by analysing the measured values; wherein, in addition to the result value, a further value (B) characteristic of the surface is determined and this further characteristic value (B) is displayed together with the result value (I) or a value dependent on this result value.