Guides
Currency conversion is useful for estimates, but real transaction prices depend on fees, spreads and payment channels.
Online exchange rates are usually reference rates. They help you quickly understand approximate value between currencies for travel, subscriptions, shopping and reimbursement.
When payment happens, banks, cards, payment platforms or exchange counters may use their own rates. These rates can include a spread or separate fees.
Budgeting should leave a margin. Shopping, hotel deposits, transport and exchange-rate movement can all make the final amount higher than the simple conversion.
The rate date matters. Weekends, market closure and API caching may affect displayed data. Important transactions should rely on the final quote from the provider.
When comparing several currencies, convert everything into one base currency first. This reduces confusion from symbols and decimal places.
After reading a guide, open the related tool at the bottom of the page and replace the examples with your own numbers. Keep the input conditions, such as amount, date, unit, rate, height or weight, so the result can be reviewed later.
If a result affects payment, contracts, health decisions or formal planning, do not rely on a single online calculation. Use this site for an initial estimate, then confirm with source material, official quotes, professional documents or qualified advice.
Convert common currencies with reference exchange rates.
Open tool