On 2027-01-01 the forfait falls to 27 percent and the salary norm rises from 48013 to 50436 euros; this popup recalculates one employee in both years.
| Forfait that applies from 2027-01-01 | — | percent |
|---|---|---|
| Tax-free allowance in 2026 | — | euros |
| Tax-free allowance from 2027 | — | euros |
| Allowance lost yearly | — | euros |
| Which rule binds in 2027 | — | |
| Net cash lost yearly | — | euros |
| Ruling months left on 2027-01-01 | — | months |
| Net cash lost over the rest of the term | — | euros |
This page is the working piece. The full pack has everything below.
On 2027-01-01 the forfait falls to 27 percent and the salary norm rises from 48013 to 50436 euros; this popup recalculates one employee in both years.
A Dutch tax adviser bills 80-180 an hour, 145 average in 2026; one ruling recalculation per employee is about an hour of that.
Buy the full version — $60It takes five inputs - the first day of the ruling, gross annual salary, which salary norm applies, the employee marginal tax rate and how many employees share the profile - and returns eight values: the 2027 forfait percentage, the 2026 allowance, the 2027 allowance, allowance lost yearly, which rule binds, net cash lost yearly, months left on 2027-01-01 and net cash lost over the rest of the term.
Payroll and HR staff at Dutch employers who run international hires through AFAS, Nmbrs or Personio in a browser tab, and the expat employees themselves. It is built for the person who has to answer, before the January 2027 payroll run, what each ruling is worth next year.
Because the loss is usually not 3 percent. The allowance is the lower of the forfait and gross salary minus the salary norm, and both change on the same day. Below roughly 69000 euros gross the norm binds, so the real loss is the 2423 euro norm step. Chatbots quote the headline percentage and the 2025 norm.
Free is the entire calculation for one employee, unlimited, with no key: all five inputs and all eight outputs. The 60 dollar key adds a different axis - CSV export of your whole expat register with each employee's 2027 allowance, binding rule and term end date, plus browser alarms before each ruling cliff.
A Dutch tax adviser bills 80 to 180 euros an hour, with a 2026 average of about 145 for a self-employed adviser. Recalculating one ruling by hand, checking the transitional rule and the two norms, is roughly an hour per employee. Twenty expats is twenty of those hours.
One question, answered by the person who built it. Your email only if you want the answer sent.