Turn a monthly salary into an hourly view so you can compare contract offers, overtime, and part-time schedules more clearly.
This page is especially useful when one offer is quoted monthly and another job or shift pattern is quoted per hour.
Use the calculator as the decision tool, then use the page sections below to compare the assumptions behind the estimate.
A monthly salary hides the hourly value until you decide how many weekly hours the contract really covers.
Looking at the hourly equivalent makes it easier to compare different schedules, side jobs, or overtime-heavy work.
The hourly view does not change the annual salary by itself, but it changes how you interpret the same salary across different work schedules.
Once hours change, the annual salary changes too, and that is where tax and credit differences begin to matter in the estimate.
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 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.
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.
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.
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.
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.
Even at lower income, payroll still reflects wage tax and credits together. Credits can offset part of the tax, so the net share does not behave like one fixed tax percentage.
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 source
