Simple Currency Calculator

Simple Currency Calculator does one thing well: it converts while you calculate. CALCULATE AND CONVERT AT ONCE Type an expression like 1,500 + 3,500 and watch both the running total and its converted value update as you go. No switching apps, no copying numbers between them. Tap the two currency chips at the top to flip the direction instantly. A DEDICATED CONVERTER Enter an amount, pick your two currencies, and read the result together with the exact rate used and the date it was published. FAVORITES AT A GLANCE Star the currencies you check often and see them all against a single base amount in one grid. WORKS WITHOUT A CONNECTION Rates are cached on your device, so the app keeps working on a plane or in a dead zone. It always shows the date of the rates you are looking at, so you know how fresh they are. LIGHT AND DARK Follows your system theme, or pick one yourself in Settings. WHERE THE RATES COME FROM Exchange rates come from ExchangeRate-API and are quoted against the Korean won. They are market rates updated once a day, so they barely change on weekends when currency markets are closed. Conversions between two non-KRW currencies are calculated through the won. This is a good fit if your currency pairs involve the Korean won. If you need intraday rates, this may not be the right tool for you. SUPPORTED CURRENCIES (160+) Major currencies such as KRW, USD, JPY, EUR, CNY, GBP, HKD, TWD, VND, THB, SGD, PHP, AUD, CAD, CHF and NZD, plus more than 140 others. Scroll the list and jump straight to any letter with the A–Z index. Rates are provided for reference only and will differ from the rate your bank or card issuer applies. Available in English and Korean.