Work out for free how much you pay or receive — based on the current Dutch Trema guidelines, before you go to a mediator or lawyer.
Your first full report is free during the introductory period (normally € 35). You create a free account for that; no payment details are needed.
You choose what to calculate: child maintenance only, spousal maintenance only or both. The questions adapt accordingly — choose child maintenance only and the questions about the marriage are dropped. All in line with the Dutch Trema guidelines (Rapport Alimentatienormen), with the current 2026 indexation.
Work out for free how much child maintenance you pay or receive. Based on the needs table, the capacity of both parents, the care discount and the child-related budget — under the current Trema guidelines. Can also be calculated on its own, without spousal maintenance.
Start calculatingWork out for free how much spousal maintenance you pay or receive. Based on the Hofnorm (the Dutch courts' rule of thumb), capacity, the financial balance check (jusvergelijking) and the duration of spousal maintenance — including tax effects and grossing up.
Start calculatingWork out each parent's capacity and the care discount that applies.
Start calculatingWhat the LBIO (Landelijk Bureau Inning Onderhoudsbijdragen, the Dutch national maintenance collection agency) does about arrears, and the calculation of net disposable income (NBI), including for the self-employed.
Start calculatingMaintenance calculations specifically for co-parenting arrangements.
Start calculatingWork out what your existing maintenance becomes after the statutory 2026 indexation (4.6%).
Start calculatingFrom entering your details to an indication on your screen in a few minutes — and a PDF report once you unlock the case.
Enter income, expenses and family situation. No citizen service number (BSN) or date of birth required — just a free account with your name, email address and password.
The calculator works out the contribution under the 2026 Trema guidelines.
Unlock the case and download a professional PDF report to share with your lawyer or mediator or to use in negotiations. Your first report is free during the introductory period; after that € 35 per case (one calculation for your situation).
Alimentatie Inzicht is built for lawyers, mediators and advisers: based on the Trema guidelines, always available online, with your data on servers within the EU.
Fast calculations for maintenance advice and negotiations, with professional reports for your files.
Neutral calculations with scenario analysis for mediation sessions and settlements.
Net disposable income and capacity worked out, including for business owners — as substantiation for advice around a divorce.
Choose what fits your situation: a one-off report or a subscription for multiple cases.
€ 0
For individuals and a first indication.
€ 35 one-off incl. VAT
For a single case — one calculation for your situation — no subscription.
€ 99 per month incl. VAT
For lawyers and mediators.
Alimentatie Inzicht calculates on the basis of the current Trema guidelines and handles your data with care: it stays yours, it is held on servers within the EU, and you are never asked for a Dutch citizen service number (BSN).
All calculators follow the Dutch Trema guidelines (Rapport Alimentatienormen, January 2026 version).
Built with the GDPR in mind: servers within the EU, encrypted traffic (HTTPS), hashed passwords and an audit log of important changes.
All data is stored on servers within the European Union.
Traffic is encrypted over HTTPS and passwords are stored hashed; important changes to cases and accounts are recorded.
Still have questions? Get in touch — we are happy to help.
Ask a questionYou create a free account and start a calculation straight away. During the introductory period your first full report is free (normally € 35); after that a report costs € 35 per case. The introductory period runs until further notice. No payment details are requested and there is no subscription.
Yes. All calculators follow the current Dutch Trema guidelines (Rapport Alimentatienormen), updated for 2026.
The calculation itself does not ask for a Dutch citizen service number (BSN) or your date of birth. To calculate, you do create a free account: name, email address and password. That keeps your case saved so you can open your report later.
The full PDF report comes with an unlocked case: € 35 one-off, or included in a subscription. During the introductory period your first report is free. Without unlocking, you see the indication on screen and a report preview with the figures masked.
Lawyers and mediators use Alimentatie Inzicht for quick calculations, scenario comparisons and professional reports. See our Pro plan for more options.
Yes. Your data is held on servers within the EU, traffic is encrypted over HTTPS, passwords are stored hashed, and important changes to cases and accounts are recorded in an audit log. How we handle personal data is set out in our privacy statement.
For questions about Alimentatie Inzicht, professional subscriptions or integrations — we are glad to help.
Want to send us a message? Use the form on the contact page; it confirms straight away whether your message was sent.
Or email us at info@alimentatieinzicht.nl · We reply as soon as we can; your details are never shared.
