Einkommensteuer Berechner 2017

steuer.py

#!/bin/python

freibetrag = 8820

print("Steuerfreibetrag ist: {}".format(freibetrag))

hour_per_weeks = 20
weeks = 52

print("Berechnet wird für {} Std. die Woche auf {} Wochen"
      .format(hour_per_weeks, weeks))

steps = 1
min_amount = 20
max_amount = 40

print("Berechnet wird in {}er Schritten zwischen {} und {} Euro die Stunde"
      .format(steps, min_amount, max_amount))

current_amount = min_amount

threshold_1 = 13470
threshold_2 = 54057
threshold_3 = 256303


while current_amount <= max_amount:
    brutto = hour_per_weeks * weeks * current_amount
    taxable = brutto - freibetrag

    if taxable > freibetrag and taxable < threshold_1:
        Y = (taxable - freibetrag) / 10000
        tax = (1007.27*Y + 1400)*Y

    elif taxable >= threshold_1 and taxable < threshold_2:
        Y = (taxable - threshold_1 - 1) / 10000
        tax = (223.76 * Y + 2397) * Y + 939.57

    elif taxable >= threshold_2 and taxable < threshold_3:
        tax = 0.42 * taxable - 8475.44

    netto = int(brutto - tax)

    print("\n{} pro Stunde".format(current_amount))
    print("Brutto: {}, Netto: {}".format(brutto, netto))
    print("Brutto monatlich: {}, Netto monatlich: {}"
          .format(int(brutto/12), int(netto/12)))

    current_amount += steps