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About Smart Units

Smart Units is a professional unit converter designed for engineers, students, and professionals who need quick and accurate unit conversions.

Whether you're a civil, mechanical, structural, or electrical engineer, Smart Units helps you convert between 45+ units across 10 engineering categories with just a few taps.

Key Features:

10 Engineering Categories
• Length, Pressure, Stress, Area, Force, Moment of Inertia
• Temperature, Weight, Velocity, Volume

45+ Unit Conversions
• Convert between metric, imperial, and engineering units
• Perfect for construction, design, and calculations

Favorites
• Save your most-used conversions for quick access
• Tap the star icon to save any conversion

Quick Reference Grid
• See all conversions for any unit at a glance
• Tap any unit to instantly convert to it

Dark & Light Themes
• Choose your preferred theme
• Auto-syncs with your system settings

Customizable Decimal Places
• Choose from 2-6 decimal places
• Smart formatting for very small or large numbers

Built for Engineers
• Designed with real engineering workflows in mind
• Clean, intuitive interface with no clutter

Why Smart Units?

Unlike generic unit converters, Smart Units is purpose-built for engineering professionals. It includes specialized engineering units like moment of inertia, pressure in MPa/psi, stress in ksi, and more.

Whether you're calculating beam stresses, checking pressure ratings, or converting material properties, Smart Units makes it fast and accurate.

Perfect for:
• Civil Engineers
• Mechanical Engineers
• Structural Engineers
• Electrical Engineers
• Engineering Students
• Construction Professionals

Simple and Fast

Just enter your value, select your units, and get instant results. No ads, no distractions – just the tools you need to get your work done.

Download Smart Units today and streamline your engineering calculations!

What’s new

Version 1.0.7 · Updated October 5, 2026

Version 1.0.7 New in this update: • Over 30 built-in calculators across Geometry, Construction, Physics, Finance, Health, and Everyday • Smarter results — the result unit now follows the units you pick for each input • Change the result unit on the fly from the picker • Age calculator with date-of-birth and as-of-date inputs • Cleaner number formatting

Alternatives to Smart Units

Looking for apps like Smart Units? Here are 5 similar Android apps on Google Play. The highest rated is Scientific Calculator Pro (4.8/5), and 4 of the 5 are free to download.

Smart Units vs. alternatives
App Rating Price Installs Last updated Compare
Smart Units – Free 10+ Oct 5, 2026
Kurio - Learn Math with AI – Free 100,000+ Dec 26, 2025 Compare
Smart Calculator: Photo Math 4.6 / 5 Free 500,000+ Sep 15, 2026 Compare
Champ Scientific Calculator 4.7 / 5 Free 100,000+ Mar 5, 2026 Compare
OneCalc: All-in-one Calculator 4.5 / 5 Free 100,000+ Aug 20, 2026 Compare
Scientific Calculator Pro 4.8 / 5 5.99 USD 1,000+ Oct 19, 2026 Compare

Compare Smart Units with the top alternatives: ratings, updates, ASO score and keyword gaps →

Similar apps on Google Play