FloatCalc+:Floating Calculator

Tired of closing your shopping, banking or browser app just to do quick math? FloatCalc+ is a floating calculator that stays on top of any app — with a built-in currency converter and unit converter.

Drag the floating window wherever you need it, get your answer, and stay right where you were.

🧮 FLOATING CALCULATOR

A pop-up calculator that floats over any other app. Type any expression, get the result instantly and copy it to the clipboard.

📐 UNIT CONVERTER

Convert everyday units inside the floating window.

Length · Weight · Temperature · Area · Volume · Speed · Time

💱 CURRENCY CONVERTER

Exchange rates from the ECB, refreshed daily. Convert USD, EUR, JPY, GBP, KRW, CNY and 30+ world currencies without leaving the overlay.

✨ KEY FEATURES

• One-tap operator row — + − × ÷ ( ) % right above the keyboard, no symbol-layer switching

• Powers, roots and percentages — 2^10, √144, 100+10%

• Backspace fixes a typo without clearing the whole expression

• Update exchange rates from Settings — the last update date and source (ECB) are shown right there

• Built-in number pad — type a whole calculation without opening the system keyboard

• The expression stays on screen after "=" — tap it to bring it back and edit

• Reopens in the mode you used last

• Floating overlay over any app — YouTube, maps, browser, banking, shopping, spreadsheets

• Draggable pop-up window with adjustable size, width and opacity

• Switch between Calculator, Unit Converter and Currency from the menu

• Copy the result to the clipboard from the menu

• Minimize to a small floating icon when you need the screen

• 8 themes (1 free + 7 Pro)

• Lightweight and fast — works offline (rates cached daily)

🎁 60 FREE MINUTES EVERY DAY

Use the floating calculator 60 minutes a day, free — the remaining time is shown in the panel title bar. Need more? Watch a short ad for a 24-hour pass, or go Pro for unlimited use.

⭐ PRO UNLOCKS

• No daily time limit — keep the panel open as long as you want

• No ads

• All unit categories and 30+ currencies

• 7 premium themes

• Full panel customization — opacity, size and width

Monthly, yearly or one-time lifetime. Cancel anytime.

💡 PERFECT FOR

• Online shopping — work out discounts while you browse

• Travel — convert prices in foreign currency on the fly

• Cooking & DIY — quick unit conversions

• Work & study — math while watching tutorials or reading PDFs

• Multi-window users who want a calculator always in view

Do the math without ever leaving the app you're in — install FloatCalc+ today.