If you make CHF 50'000 a year living in the region of St. Gallen, Switzerland, you will be taxed CHF 8'896. That means that your net pay will be CHF 41'104 per year, or CHF 3'425 per month. Your average tax rate is 17.8% and your marginal tax rate is 30.0%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of CHF 100 in your salary will be taxed CHF 30.04, hence, your net pay will only increase by CHF 69.96.
A CHF 1'000 bonus will generate an extra CHF 700 of net incomes. A CHF 5'000 bonus will generate an extra CHF 3'498 of net incomes.
NOTE* Withholding is calculated based on the St. Gallen tables of Switzerland, income tax. For simplification purposes some variables (such as marital status and others) have been assumed. This document does not represent legal authority and shall be used for approximation purposes only.