Most converter apps give you the basics and call it a day.
CalConversion gives you everything - and asks for nothing in return.

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FIVE CONVERTERS. ONE APP. ZERO LIMITS.
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> Currency - 150+ world currencies with live exchange rates. Auto-detects your country and sets your local currency instantly. Rates refresh in real time, and cached data keeps you covered even offline.
> Distance - 150+ units spanning Metric, Imperial, Maritime, Astronomical, and historical systems from over 20 civilizations - including Southeast Asian, Islamic, Biblical, Hindu-Vedic, Latin American, Persian, Celtic, Ottoman, and Polynesian measurements. From nanometers to light years. From inches to Hubble Lengths.
> Weight - 120+ units across Metric, Imperial, Precious Metals, Apothecary, Asian, Indian, Scientific, and cultural systems. Troy ounces, atomic mass units, solar masses, and traditional trade weights from across the globe.
> Data Storage - 60+ units from bits to yottabytes, including binary (IEC) standards and real-world media formats like Floppy Disks, CDs, DVDs, Blu-rays, MicroSD cards, and LTO-9 tapes.
> Apparel - 14 clothing and accessory categories with sizing standards from up to 18 countries. Shoes (men's, women's, kids'), clothing, pants, rings, hats, belts, gloves, bras, socks, dress shirts, and skirts - all with an interactive size guide showing valid input ranges for every region.

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BUILT-IN CALCULATOR
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Not just a converter - a calculator too. Write full expressions with addition, subtraction, multiplication, and division. See live results as you type and apply conversions instantly. Calculation history saves every expression so you can review past work anytime.

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BARGAIN MODE
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Traveling or shopping abroad? Bargain Mode lets you type amounts from both sides of a currency pair simultaneously - perfect for haggling at markets, negotiating prices, or quickly comparing costs while on the go.

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DESIGNED WITH INTENTION
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- Four theme modes - System, Light, Dark, and Pure AMOLED Black
- Clean, modern interface built natively for Android and iOS
- Country auto-detection sets your default currencies instantly
- Swap currencies or units with a single tap
- Works offline with cached exchange rates
- Built-in bug reporting - your feedback reaches us directly

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COMPLETELY FREE. ACTUALLY.
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No ads. No in-app purchases. No subscriptions. No "premium" tier.
No data harvesting. No account required. No strings attached.

Every feature is fully unlocked from the moment you download.
This isn't a free trial. This isn't freemium. This is free.

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WHY CALCONVERSION?
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Because we believe a great tool shouldn't cost you anything - not your money, not your attention, and not your privacy.

CalConversion was built to be the only converter you'll ever need. Download it once. Use it forever.

CalConversion. Convert everything. Pay nothing.