Timber Calculator is a free application developed by SD for Android users. It is a handy tool for estimating the useful volume of wood based on external parameters such as the length and diameter of the slice from the top. The program calculates the wood volume in accordance with GOSTor ISO.

The calculator enables users to calculate the amount of wood for a specified number of logs of the same size and select the method of calculation (GOST or ISO). It also counts the volume and cost of lumber, making it a useful tool for those in the wood industry or for anyone who needs to calculate the volume of wood. The interface is easy to navigate and the app is very user-friendly.