Clay model of Amsterdam canal houses with a bicycle, coins, a calendar and a calculator.

Calculators

Six tools, each on its own page. They use the same formulas as the toolkit. Nothing you type is stored.

Clay piggy bank in dark green, with an orange Dutch gable, a tag and a stack of coins.

ZZP tax calculator NL 2026

Zelfstandigenaftrek, MKB exemption, brackets, credits and Zvw.

Clay hourglass and round clock on a dark green base.

1,225-hour tracker

Hours left, weekly pace, and the startersaftrek check.

Clay shield with a check mark, gold coins and a gauge.

KOR calculator

Whether Dutch turnover is still under €20,000.

Clay globe and an orange canal house, with envelopes and arrows between them.

Dutch VAT reverse-charge checker

What to write on the invoice, and which VAT box it belongs in.

Clay laptop with an orange price tag, a stopwatch and coins.

Freelance rate calculator

An hourly rate excluding VAT, after income tax and Zvw.

Clay balance scale with a briefcase on one side and a canal house with a laptop on the other.

ZZP vs employee net income

The same year, seen from profit and from a salary.

Two adults talking by a row of bicycles outside a school gate, with children walking ahead.

Between the school gate and the next invoice.