FloatCalc+ is Live! A Tiny Floating Calculator That Stays on Top

Updated October 2026. Latest features, guides and FAQ: codedac.com/apps/floatcalc

Ever had to switch apps just to do a quick calculation, and then lost your flow? Whether you are working, shopping, studying or budgeting, those tiny interruptions add up.

FloatCalc+ fixes that with a small floating calculator that stays on top of any app, so you can calculate instantly without leaving what you are doing.

What is FloatCalc+?

FloatCalc+ is a floating calculator with a built-in unit converter and currency converter, designed for speed and focus.

  • Always on top: calculate over YouTube, maps, your browser, banking or shopping apps
  • Copy the result: send it to the clipboard from the menu and paste it anywhere
  • Unit converter: length, weight, temperature, area, volume, speed and time
  • Currency converter: 30+ currencies with daily ECB exchange rates
  • Opacity and size: keep it small, light and unobtrusive

Perfect for

  • Online shopping: work out discounts while you browse
  • Travel: convert prices in a foreign currency on the fly
  • Work and study: quick math while watching tutorials or reading PDFs
  • Cooking and DIY: everyday unit conversions
  • Anyone who wants a calculator that does not break their workflow

Key features

1) Floating calculator over any app

A clean, draggable panel that stays on top of whatever you are using. A one-tap operator row (+ − × ÷ ( ) %) sits right above the built-in number pad, so you never switch keyboard layers. Powers, roots and percentages work too, and backspace fixes a typo without clearing everything. After "=", the expression stays on screen; tap it to bring it back and edit.

2) Copy and calculation history

Copy any result from the menu and paste it into chat, notes, spreadsheets or email. Your last 5 calculations are kept for free, up to 100 with Pro.

3) Unit and currency converter

Switch between Calculator, Unit Converter and Currency from the menu. Length conversion is free and all categories come with Pro. Exchange rates come from the ECB and refresh daily; you can also update them in Settings, where the last update date is shown. Free converts from any currency into USD or EUR; Pro converts into every currency. Rates are cached, so it keeps working offline.

4) Opacity, minimize and quick access

Choose 100, 80 or 60% opacity for free, or use the fine opacity slider and size and width controls with Pro. Minimize it to a small floating icon when you need the screen, and open it straight from the Quick Settings tile. FloatCalc+ also reopens in the mode you used last.

Real-life use cases

  • While shopping: calculate a discount, copy the result, share it
  • While working: compute totals and taxes, then paste them into docs or spreadsheets
  • While travelling: check what a price in yen or euros really costs you

How to use

  1. Open FloatCalc+
  2. Allow the floating window
  3. Calculate on top of any app
  4. Copy the result from the menu

Free and Pro

You can use the floating calculator for 60 minutes a day for free, and the remaining time is shown in the panel title bar. Pro removes the daily time limit and ads, and unlocks all unit categories and currencies, 7 premium themes (on top of 1 free theme), full panel customization and the full 100-entry history.

Final thoughts

FloatCalc+ is built around one idea: "Keep it tiny. Keep it fast. Don't break your flow."

Get it on Google Play

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