A maintenance amount deserves an explanation both parents can follow
A result from calculation software becomes useful when the data and choices behind it are clear.
An amount can be calculated accurately to two decimal places and still inspire too little confidence. Not because calculation is pointless, but because parents do not know which data were used or why an assumption applies. Our editors believe financial clarity requires more than a final figure. The conversation must also cover the route to that figure. This article sets out a normative editorial position; the correct contribution in an individual case still depends on an appropriate assessment.
View the sources for this pagerechtspraak.nl · lbio.nlWe believe every maintenance agreement should allow a clear explanation of its data, assumptions and implementation. A parent need not become a calculation specialist to understand the basis of a long-term payment.
Accurate arithmetic cannot repair incorrect input
The judiciary describes needs and ability to pay as central concepts and publishes calculation recommendations. That provides structure but does not remove the need for correct data. A polished report can still contain an old payslip, an unclear care pattern or an unexplained estimate. Quality therefore starts before information is entered.
We believe readers should readily see which information is established and which remains uncertain. This is not only a concern for the paying parent. A recipient also benefits from a supported result that does not later collapse because of an easily identified input error. Transparency supports financial responsibility on both sides of the arrangement.
Assumptions deserve ordinary language
Technical terms are sometimes necessary, but an explanation need not remain trapped in them. What has been assumed about the child, which income is used, and how does the care arrangement affect cost allocation? The explanation should show the links. Referring to the system is insufficient when the question is precisely why the information was entered that way.
We do not expect an adviser to cover every possible exception in one conversation. A specific question should, however, receive a specific answer. If an expense has not been included separately, explain why. If an amount is estimated, say so. Naming uncertainty does not weaken a calculation; it prevents provisional information being treated as final truth.
Do not let the calculation displace the conversation about the child
Maintenance connects money and care. That can make it tempting to pursue a desired financial outcome by changing the timetable. Our editors find that sequence problematic when the child’s needs recede into the background. Discuss an appropriate care arrangement first, then explain its financial implications.
In a hypothetical conversation, parents turn out to mean the same thing by daily care but expect different things concerning clothing and activities. An explanation of what the amount includes may then be more useful than repeating exactly the same formula. Calculation helps allocate responsibility; it does not replace a clear agreement about implementation.
An agreement should remain understandable later
Record the period, information and arrangements used alongside the result. When circumstances change, people can then find out what was originally assumed. Without that information, reassessment can easily turn into a dispute over memories, with each person believing they remember why the figure was chosen.
Discuss administration too: payment method, applicable indexation, exceptional expenses and a route for substantial changes. This does not make the arrangement unalterable, but it makes it easier to follow. Our editors believe sustainable financial discussion should not keep depending on the person who happens still to have access to the original software or email.
Not every calculation can be made entirely simple
The genuine objection is that maintenance can be complicated. Self-employment, international questions and several maintenance obligations cannot always be explained in a few sentences. Oversimplification can itself mislead. We therefore do not want a compulsory short summary that hides relevant complexity.
For us, clarity means the user can follow the main reasoning and knows where specialist assessment remains necessary. Layered explanation works better than an artificially simple answer: first the question and principal result, then data and assumptions, then the exceptional points. The standard is not understanding every technical detail, but having enough insight to ask informed questions and assess a proposal.
A responsible maintenance figure is verifiable and explainable. Show what is known, which assumption is used and what remains to be investigated. Parents need not thereby agree on everything, but they can identify their difference more precisely. That is a fairer starting point for agreement, a discussion about change or proceedings than asking for trust in a final number alone.
Sources and attribution
These sources provide factual context. The reasoning, position and recommendations are our editorial opinion; the source organisations do not thereby endorse it.
- Rechtspraak (Dutch judiciary): maintenance guidelines 2026rechtspraak.nl
- Rechtspraak (Dutch judiciary): maintenance proceedingsrechtspraak.nl
- LBIO: maintenance indexationlbio.nl
Sources consulted:
Legal review
Not legally reviewed yetThis version has not been reviewed by a lawyer or legal professional. Checking sources or editing text is not legal approval.
Editorial team Family law in the Netherlands
We connect explanations to sources and record targeted changes. Legal review is attributed only to the actual reviewed version, with a real reviewer, date and scope. Human legal review of these articles remains open.

Ricardo van der Spoel
Editorial responsibility · Editorial organisation and technology