Better understand gross and net
The guide shows the path from gross to net, explains the most important deductions and links directly to the appropriate calculators.
Guides
Guides for context and understanding
Here you will find the background pages of Ultra-Rechner. They help you classify results and understand differences clearly.
Salary & Taxes
Gross, net, income tax, severance, VAT
VAT, discounts and cash discounts simply explained
The guide clearly separates VAT, discounts and cash discounts from each other and shows which calculator is intended for which case.
Benefits
Citizen’s benefit, housing benefit, child supplement, parental allowance, unemployment benefit
Better classify citizens' benefit, housing benefit and child allowance
The guide shows the differences between citizens' benefit, housing benefit and child allowance and links directly to the appropriate estimation calculators.
Classify pensions, parental benefits, sickness benefits and unemployment benefits in an understandable way
This guide combines pension, parental allowance, sickness benefit and ALG I into a clear everyday perspective.
Investing & Finance
ETF, savings plan, loans, instalments and interest
ETF, savings plan and compound interest simply explained
The guide explains the differences between ETF calculators, ETF savings plan calculators and compound interest calculators.
Property & Housing
Mortgage, purchase costs, rental yield, property tax
Understanding property purchasing with financing, additional costs and property taxes
The guide combines financing, additional purchase costs and ongoing real estate costs into a practical overall view.
Public service
TVöD and TV-L
Understanding TVöD and TV-L with pay groups and levels
The guide explains the basic logic of collective bargaining groups, levels and part-time work in the public sector.
Health
BMI, calories, blood alcohol, WHR and ideal weight
Correctly classify BMI, calorie requirement and calorie deficit
The guide explains what BMI, total needs and deficit can achieve and where the models deliberately become too rough.
Pregnancy & Family
Pregnancy week, ovulation, fertile days, parental leave
Better understand week of pregnancy, ovulation and fertile days
The guide explains the common principles of pregnancy week, ovulation and fertile day calculators.
Math & School
Rule of three, percentages, grades, conversions, tip
Solve the rule of three, percentage calculations and fractions in an understandable way
The guide explains when the rule of three, percentage calculation or fraction calculation is the right approach.
Work & Time
Working time, vacation, age, dates and working days
Working time, hours and industrial minutes in everyday life
The guide shows which time calculator is intended for shifts, totals, hundredths of an hour or date periods.
Car & Household
Car, energy, household and practical everyday calculators
Calculate pizza dough correctly with Tipo 00, water, salt and yeast
The guide shows how to proportionally scale Tipo 00 flour, ice-cold water, sea salt and fresh yeast into the pizza dough and what you should pay attention to when using larger quantities.
Classify car costs with fuel, electricity, credit and taxes
The guide combines vehicle tax, fuel costs, electricity costs and credit bills into a practical overall view.