Required rates derived from your costs, capacity, and the selected tax model.
Required hourly ratei
Day ratei
Annual revenue neededi
Tax handling is solved properly: we compute the gross taxable
income so that (gross − tax(gross)) matches your private annual costs.
Private costs (annual)
Business costs (annual)
Gross taxable income (solved)
Income tax
Solidarity surcharge
Taxes (total)
Productive days / year
Billable hours / year
If you want: add more tax models (e.g. different years, top bracket, church tax) by extending
data/tax_models.json. Your JSON exports will stay valid because tax parameters are embedded in
the config.