Calculators

Four calculators I built for myself

I needed all of them and could not find ones that answered the actual question rather than a simplified version of it. They are free, need no sign-up, show no ads, and run entirely in your browser — nothing you type ever leaves your computer.

MORTGAGE · EURIBOR

Euribor loan calculator

1M2.37%3M2.63%6M2.80%12M3.14%

Your loan replayed through the real Euribor history, month by month. Compare 1-, 3-, 6- and 12-month resets; stress-test the payment against 212 historical scenarios; see what paying extra actually saves and at which rate a fixed offer becomes a fair deal.

Euribor 9 Sep 2026 · Suomen Pankki · 333 months of history · updates automatically
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SALARY · TAXES

Estonian salary calculator

NetIncome taxPensionUnemployment
Where a gross salary goes — schematic, your own split is calculated inside.

Gross salary in, net salary out: income tax, social tax and pension contributions on 2024–2026 rates — so you can see what an offer really means before you accept it.

2024–2026 rates
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ELECTRICITY · EXCHANGE

Electricity calculator

Exchange, hour by hourFixed package
A day of exchange prices against one fixed rate — schematic.

Exchange or fixed price? One number answers it: how cheap a fixed package has to be before it pays off for you. Worked out from your own consumption and the real Nord Pool prices, hour by hour.

Prices updated every day
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COMPANY · SALARY OR DIVIDENDS

Salary vs dividends calculator

How much an Estonian OÜ owner actually keeps when the money comes out as salary, as dividends, or as a mix of the two. 2026 rates, with the social tax floor and health insurance taken into account.

2026 rates
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VAT · INVOICES

VAT calculator

Add VAT to a net price or take it back out of a gross one. Every 2026 Estonian rate in one place: 24%, 13%, 9% and 0%.

2026 rates
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ELECTRICITY · TODAY AND TOMORROW

Electricity price today

The exchange price hour by hour and in 15-minute steps: cheapest and most expensive hour, daily average, with or without VAT. Tomorrow's prices arrive daily at about 14:00.

Updated every day
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No sign-upOpen a link and start counting.
FreeNothing is for sale and there are no paid plans.
Nothing leaves your browserEvery calculation runs on your own machine.