Compare part-time salary scenarios by hourly rate and weekly schedule, and see how net pay moves when the contract gets smaller.
This page is about schedule-driven salary comparisons: same rate, fewer hours, different monthly and yearly take-home picture.
Use the calculator as the decision tool, then use the page sections below to compare the assumptions behind the estimate.
Part-time salary is not only a smaller version of full-time salary. The weekly hours also change how the annual salary interacts with tax credits.
That is why the same hourly rate can look relatively efficient net-wise at one schedule and less so at another.
The calculator makes part-time comparisons clear by holding the hourly wage steady while changing weekly hours.
That lets you compare the gross and net effect of 24, 32, or 40 hours without guessing what the monthly salary should look like.
A part-time worker wants to compare the same hourly value across 32-hour and 40-hour contracts.
The tax-credit profile changes because the annual income changes, not just the weekly hours.
Compare hours per week, gross annual income, and net monthly income for both schedules.
A four-day contract is compared with a full-time schedule at the same hourly rate.
The hourly rate stays constant, but the annual and monthly salary depend on the weekly hours entered.
Compare 32 hours with 40 hours and focus on monthly net and how credits move with total annual income.
A part-time contract keeps the same hourly wage but lowers the weekly and monthly salary base.
The hourly gross stays the same, but the annualised income is lower because fewer weekly hours are entered.
Compare the same hourly wage at 24, 32, and 40 hours and focus on monthly net, yearly net, and the role of tax credits.
A regular employee compares a EUR 3,500 gross monthly salary with the default payroll settings.
The calculator annualises the monthly salary, applies wage tax, the general tax credit, labour credit, and the normal holiday-allowance logic.
Compare net per month, total tax, and the effect of switching holiday allowance on or off.
These questions stay focused on realistic payroll or salary situations, so you can compare them directly with the calculator.
The calculator always converts the input to an annual basis. When hours per week or the implied annual salary change, the tax and credit picture changes with it.
The hourly rate can stay the same while the yearly and monthly income base becomes lower because fewer hours are worked. That changes the total tax and the credit profile as well.
Because salary outcomes can depend on employer payroll settings, pension, benefits, reimbursements, and other details that are outside a simple public calculator. The page is meant as a structured explanation and comparison tool.
Employers can use payroll settings, pension deductions, Zvw, irregular-income treatment, or other components that are not fully modeled here. The calculator is an illustrative estimate, not a payroll replacement.
Use the calculator as the decision tool, then use the page sections below to compare the assumptions behind the estimate.
Use the official pages below to verify the public rules behind the estimate and the example explanations.
Official Dutch income-tax and national-insurance rate page used as the base for payroll-tax explanations and calculator assumptions.
Open sourceOfficial 2026 labour-credit table used to explain why net salary changes with employment income levels.
Open sourceOfficial minimum-wage page used for entry-level and hourly-pay scenarios, including the 2026 adult hourly minimum wage.
Open source
