Email us
The fastest way to reach us is by email at hello@allcalculatornl.com. We read every message, and normally reply within a few working days.
What to send
- Corrections: tell us the page, the figures you entered and what you expected. A link to an official source helps most.
- New calculator ideas: describe the question you are trying to answer.
- Business or partnership enquiries: mention the page or topic you have in mind.
What we cannot do
We can’t give personal tax, legal, mortgage or medical advice, and we can’t see your tax return or payslip. For those, contact the Belastingdienst, a licensed adviser, or your doctor. Please do not send BSN numbers, bank details or medical records by email.