FloatCalc+: Floating Calc & FX

Floating calculator overlay & currency / unit converter — works over any app.

Floating Calculator that stays on top of any app. FloatCalc+ is a popup overlay calculator with a built-in currency converter (FX) and unit converter — no more switching screens to do quick math.

Open your shopping app, banking app, browser, or spreadsheet, drag the floating window where you need it, calculate — and stay right where you were.

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🧮 FLOATING CALCULATOR

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A pop-up calculator that floats over other apps.

Type any math expression and get the result instantly.

One-tap copy · One-tap save to memo.

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📐 UNIT CONVERTER

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Convert common units in a floating window.

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

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💱 CURRENCY CONVERTER (FX)

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Real-time exchange rates from the ECB, refreshed daily.

Convert USD, EUR, JPY, GBP, KRW, CNY and 30+ world currencies — right inside the overlay.

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📝 QUICK MEMO

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Save calculation results or jot down notes directly from the floating window.

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✨ KEY FEATURES

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

• Draggable, resizable pop-up window

• One-tap copy to clipboard

• Choose start mode: Calculator / Unit Converter / FX / Memo

• 8 themes (1 free + 7 Pro)

• Free tier: 5 sessions per day, 20 min each

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💡 PERFECT FOR

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• Online shopping — calculate discounts while browsing

• 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 widget that's always visible

Keywords: floating calculator, popup calculator, overlay calculator, mini calculator, calculator widget, currency converter, exchange rate calculator, unit converter, multi-window calculator, picture-in-picture calculator.