Unit Converter

🔢 Unit Converter is the all-in-one measurement, currency and calculation toolkit — rebuilt from the ground up with a clean modern design, 18 color themes, and a huge 87 unit categories (one of the most complete collections on the Play Store).

🌍 Over 10 million downloads worldwide.

Students, engineers, tradespeople, cooks, travelers, DIYers — whatever you need to convert or calculate, it's here, and most of it works fully offline.

📐 87 UNIT CATEGORIES

Length, weight, area, volume, temperature, speed, pressure, energy, power, data, fuel, angle, force, torque, frequency and dozens more — from everyday units to advanced engineering scales.

💱 LIVE CURRENCY & PRECIOUS METALS

• 145 world currencies with regularly updated rates

• Live gold & silver prices

• Interactive rate-history charts (7D · 30D · 1Y)

• Rate alerts — get notified when a currency hits your target

• Add your own custom currencies

🔧 PRO ENGINEERING UNITS

Specialist converters including Plumbing, Electrical and Medical — built for professionals on the job.

🧰 48 HANDY TOOLS

Resistor & capacitor color codes ▸ AWG/SWG wire gauge ▸ scientific calculator ▸ password generator ▸ periodic table ▸ compass ▸ bubble level ▸ protractor & ruler ▸ stopwatch ▸ Morse code ▸ time-zone converter ▸ screen flash — and many more.

💰 20 FINANCE CALCULATORS

Loan & EMI, simple/compound interest, mortgage, tax, discount, ROI, CAGR and more.

🧮 22 MATHS CALCULATORS

Percentage, fractions, algebra, geometry, statistics, GCD & LCM, permutations & combinations and more.

✨ POWERFUL EXTRAS

📄 Export results to PDF & CSV

☁️ Back up & sync with Google Drive

⭐ Favorites for one-tap access

🕘 Unlimited, searchable history

⚡ Batch convert & side-by-side compare

🧩 Create custom units

📲 Home-screen widgets & app shortcuts

🎨 MAKE IT YOURS

◆ 18 stunning color themes (Deep Sea, Coral Reef, Solar Flare and more)

◆ Light & dark mode

◆ Clean, modern Material design

◆ Available in 30+ languages

WHY YOU'LL LOVE IT

✓ 87 categories — more than most converter apps offer

✓ Works offline (currency refresh needs internet)

✓ Fast, accurate and easy to use

✓ Free to download — go premium to remove ads and unlock extra themes, cloud sync and more

🔐 PERMISSIONS & WHY WE USE THEM

We're a utility app and request only the essentials — no location, contacts, camera, microphone or storage access.

★ Internet & network access — to fetch live currency, gold & silver rates and sync your cloud backup.

★ Notifications — to deliver the currency rate alerts you set.

★ Advertising ID — used to show ads in the free version only.

★ Google Play billing — to remove ads and unlock premium features.

Exports use Android's built-in file picker, so no storage permission is required.

Download Unit Converter and get every conversion, calculator and tool in one beautifully designed app. 🚀