How much is that mortgage going to cost each month, how fast do your savings grow with compound interest, and what is the price of something with or without VAT? The finance calculators answer everyday money questions in seconds. Work out a mortgage or loan payment with a full breakdown of interest and principal, see how monthly deposits grow over time, add or remove VAT or sales tax at any rate, calculate your profit margin and markup, and build a full amortization schedule. You can also convert amounts for inflation using official CPI data, estimate your home equity, and work out what an appliance costs to run per kWh or what a Dutch household pays for energy.
Every calculator shows the formula it uses and includes worked examples, so you can check the result yourself. The results are estimates: for big financial decisions, always compare offers from lenders and ask a qualified adviser when in doubt.
All calculators in this category
- Mortgage calculator – Monthly payment, total interest and loan-to-value for a home loan.
- VAT calculator – Add or remove VAT or sales tax at any rate.
- Dutch VAT (BTW) – Add or remove Dutch BTW at 21%, 9% or 0%.
- Compound interest – See how savings grow with interest on interest.
- Loan calculator – Monthly payment and total interest on a personal loan.
- Profit margin – Gross margin, markup and the price for a target margin.
- Inflation calculator – See what an amount from an earlier year is worth today, using official CPI data.
- Savings calculator – See how your savings grow, or how much to save each month to reach a goal.
- Amortization calculator – Monthly payment, total interest and a yearly amortization schedule.
- Dutch energy bill – What do electricity and gas cost per month in the Netherlands?
- kWh calculator – Convert watts to kWh and see what an appliance costs per year.
- Home equity – Work out your home equity, loan-to-value and how much you could borrow.
Looking for something else? See all calculators on the home page.