Keep a calculator on screen while you use other apps. FloatCalculator opens in a movable, resizable floating window, so you can calculate or convert without losing your place.
Calculate and convert
• Quick math: Add, subtract, multiply and divide with parentheses and percentages. Preview the result as you type and edit the expression when needed
• Currency converter: Convert with preset currency pairs and swap the direction with one tap. Update exchange rates online, check their reference date or use saved rates offline
• Unit converter: Convert length, area, volume, speed, energy, weight and temperature with preset pairs
• Time zone converter: Enter a date and time or tap Now to convert between preset time zones
Keep your work close
• History: Reopen past calculations and conversions, or delete entries you no longer need
• Floating controls: Move, resize or minimize the window, and adjust its opacity to suit the app underneath
• Quick access: Open the floating calculator from an optional Quick Settings tile
• Personal settings: Turn spoken feedback and scale hints on or off, and choose a haptic strength
FloatCalculator Pro unlocks:
• Your choice of currencies, time zones, and units for each conversion pair instead of the preset pairs
• History search, pinned history, and notes on history entries
• Gilded and Cobalt themes
Pro is available as a monthly subscription or a one-time lifetime purchase. The monthly plan may offer a 7-day free trial.
To use FloatCalculator over other apps, allow Display over other apps in Android settings. Internet access is used to update exchange rates and load purchase options. Exchange rates are reference values and may differ from rates used for transactions.
FloatCalculator requires Android 12 or later.
Floating calculator with currency, unit and time zone converters
Date de mise à jour
7 ɔtb 2026