Question 1

Is CalcHub free?

Accepted Answer

Yes, all 15+ calculators are 100% free. No signup, no premium tier, no hidden charges.

Question 2

Is my data safe on CalcHub?

Accepted Answer

All calculations happen entirely in your browser. No data is ever sent to any server.

Question 3

Does CalcHub support multiple currencies?

Accepted Answer

Yes, CalcHub auto-detects your currency from your timezone and supports 37 currencies including USD, EUR, GBP, INR, JPY, AED, SGD, CHF, KRW, and many more.

Question 4

How accurate are the currency exchange rates?

Accepted Answer

The Currency Converter uses live exchange rates from the European Central Bank (ECB) via the Frankfurter API.