What makes NL Tax Calculator different
Most Dutch tax calculators give you one number. Here every number shows how it was reached, it comes out as an Excel sheet with live formulas, and dozens of tools cover what others leave out, from your job offer to your WOZ objection.
Compared with a typical Dutch tax calculator
“Only here” marks tools we have not found on any other Dutch tax site.
In the full tax return calculator
Excel with live formulas
Download your whole calculation as an Excel workbook in which every step is a real formula. Change a number and everything recalculates, so you or your adviser can check each line.
OpenEvery number shows its working
Open any figure to see the rule, the percentage and the formula with your own numbers, next to the data you entered.
OpenBox 3: actual return against notional
Both Box 3 methods on your own savings and investments, side by side, with the one that costs you less and switching in one click.
OpenTax treaties (DTAA) for assets abroad
Property and investments in any of 56 treaty countries: property exempted, a credit for tax withheld on the rest, and the relief shown line by line.
OpenScenarios side by side
Save your figures, change one thing (a raise, a home, filing together) and compare the outcomes.
OpenIt tells you where you can save
Checks your figures for a cheaper partner split, a cheaper Box 3 method and treaty relief you are missing, and applies the fix in one click.
Open2024, 2025 and 2026
The same full calculation for three tax years, so you can also check a return you still have to file or object to.
OpenShare it as a link
Send your calculation to a partner or adviser as a link that opens with your figures filled in.
OpenThe best split for fiscal partners
Tries every division of the mortgage deduction and Box 3 between partners and applies the cheapest in one click.
OpenAsk about any line
Press Ask next to a figure and the tax assistant explains that line with your own numbers.
OpenAn independent method review
An AI model checks the method applied to your numbers and flags anything that looks off. The arithmetic itself comes from a tested engine, not from AI.
OpenA PDF report for your adviser
The outcome, the points to check and every step in one PDF to share with a partner or adviser.
OpenProvisional refunds settled
Monthly provisional refunds are settled against the result, so the year-end figure is what you will really pay or get back.
OpenUpload instead of typing
A photo of your annual statement or payslip fills in the figures. BSN, IBAN and address are blacked out first, and you approve every value.
OpenBefore you accept a job
Visa salary check
Does an offer meet the IND norm for a highly skilled migrant or an EU Blue Card, and the 30% ruling norm? Checked against the 2026 figures.
OpenCompare two offers in net
Two job offers side by side in what actually lands in your account, including holiday pay, bonus and pension.
OpenLost your job? One plan
Transition payment, WW benefit, the search period of your residence permit and the 30% ruling deadline, with dates, in one place.
OpenFrom the net you need to the gross to ask
Runs the calculation backwards: enter the net pay you need and get the gross salary to ask for, with or without the 30% ruling.
OpenRSUs, year by year
The Box 1 tax when shares vest, the shares sold to cover it, and the Box 3 tax on the shares you keep.
OpenA cover letter for the job
Paste the job ad and your CV and get a tailored cover letter in English or Dutch, with your contact details kept out.
OpenWhat others really earn
Anonymous, aggregated salaries and situations that visitors chose to share, to see where you stand.
OpenPlan ahead
Explain my Belastingdienst letter
Upload an assessment, blue envelope or benefits letter: what it means, what to do by when, with the objection deadline and the Box 3 tax checked by our calculator.
OpenEvery 2026 figure, sourced
All rates, thresholds and allowances in one table, each with its official source, also as open data.
OpenClaim Box 3 tax back
Year by year from 2017: whether your real return was lower, the figures for the form, and a ready objection letter.
OpenLife admin planner
Pick a life event (moving, a baby, marriage, going freelance, losing your job, leaving) and get every Dutch admin step with its own deadline, ready for your calendar.
OpenMoves to make before 31 December
A pension top-up, gifts to your children, timing big costs, repaying mortgage, charity: what each one saves you this year.
OpenWhen a raise leaves you poorer
What your household really keeps at every salary, counting take-home pay and lost allowances, so you can see the trap before you walk into it.
OpenBox 3 from 2028
Your Box 3 tax today against the planned system that taxes actual returns, including unrealised gains on shares and crypto.
OpenWhich figure goes in which box
From your calculator inputs to the exact section of the online tax return each figure belongs in.
OpenYour 2027, next to this year
Your own figures recalculated on the 2027 tax plan, with the reasons spelled out, including the 30% ruling becoming 27%.
OpenDeadline reminders
A personal tax calendar that emails you a week before every date that applies to you.
OpenWill I owe money in May?
A forecast from your wage tax per employer, the provisional assessment and your allowance advances.
OpenFreelancers
Freelancers: 2026 to 2030
What the smaller self-employed deduction, the end of the starters deduction and the planned disability insurance mean for your profit.
OpenThe hourly rate for the net you want
Enter the net income you want, your time off, unbillable hours and costs, and get the hourly rate to charge.
OpenEmployee, ZZP or your own BV
One yearly budget, three ways to work, side by side in net income, including the director-shareholder salary rules.
OpenHome and family
WOZ objection, letter included
Compare your WOZ value with real sales per m², see what a lower value saves every year, and get the objection letter in Dutch.
OpenLeave pay when a baby arrives
Maternity, partner and paid parental leave in euros, for both parents, with the 2026 maximum.
OpenEvery allowance you can claim
A few questions, then every allowance and benefit with an amount and the reason, and where earning more costs you money.
OpenA gift towards a home
Gift tax on money from parents or others, including the one-time exemption buyers use for a deposit.
OpenExpats and cross-border
Americans in the Netherlands
US tax on a Dutch salary: the foreign earned income exclusion against the foreign tax credit, with the part of Dutch tax that counts.
OpenWhen your 30% ruling ends
Your end date, the months left and what your net pay and Box 3 look like year by year after it.
OpenNet pay here and back home
The same salary in the Netherlands and your home country, in net, with or without the 30% ruling.
OpenThe year you moved: M-form
The Dutch tax on just the months you lived here, for the year you arrived or left, when you file an M-form.
OpenYour first year, in order
A checklist from before you arrive to your first tax return. Tick items off; your progress stays in your browser.
OpenWherever you are
In ChatGPT and Claude
Connect your AI assistant and it uses these calculators with the official rates, instead of guessing Dutch tax.
OpenAn offer link for candidates
For recruiters and HR: turn a Dutch job offer into a page showing the candidate their net monthly pay and the 30% ruling over five years. Nothing is stored; it is all in the link.
OpenCalculators for your own site
Net salary, mortgage, Box 3, freelancer and company car calculators that any website can embed for free.
OpenEnglish and Dutch, videos included
The site, the calculators and the explainer videos in both languages.
OpenYour numbers stay with you
Calculations run in your browser and need no account. Nothing reaches our servers unless you use an AI feature, a share link or reminders.
OpenSee it for yourself
Enter your own numbers, or upload a payslip, and open any figure to see how it was calculated.