Construction Calculator Pro

Length Pro is the ultimate length calculator, fraction math tool, and multi-unit converter built for construction, CAD drafting, woodworking, architecture, and daily engineering.

Easily calculate mixed dimensions in feet, inches, and fractions (e.g. 5' 6 1/2" + 3' 4 3/4"), convert instantly between 9 length units, and round results down to 1/64" precision.

📐 KEY FEATURES:

• Construction Feet & Inches Calculator
Type mixed feet, inches, and quick fractions directly into calculations (e.g., 6' 8" / 2 = 3' 4"). Supports standard construction dash format (5'-6 1/2").

• Instant Live Unit Conversions.

Results convert instantly into 9 length units on live chips:
- Feet & Inches (ft in / ' ")
- Meters (m)
- Centimeters (cm)
- Millimeters (mm)
- Kilometers (km)
- Feet (ft)
- Inches (in)
- Yards (yd)
- Miles (mi)

• Quick Fractions Keypad:
Dedicated buttons for 1/2, 1/4, 3/4, 1/8, 3/8, 5/8, 7/8, 1/16, 3/16, 5/16, 7/16, 9/16, 11/16, 13/16, and 15/16 for ultra-fast dimension entry.

• Customizable Fraction Precision:
Set your fractional rounding precision from 1/2" down to 1/64" or switch to custom decimal places (0 to 6 decimal places).

• Dedicated Feet & Inches Entry View:
Direct input fields for Feet, Inches, Numerator, and Denominator for quick single-dimension entry and addition to the main calculator.

• Standalone Unit Converter Tab:
Swap and convert any single value instantly between metric and imperial units.

• Expandable Calculation History:
Review, copy, or reuse past calculations at any time with the built-in history sheet.

• Dark Mode & Fullscreen Mode:
Optimized for high-visibility outdoors on construction sites with dynamic contrast status bars.

👷 BUILT FOR PROFESSIONALS & DIYers:
• General Contractors & Builders
• Architects & CAD Drafters
• Woodworkers & Cabinet Makers
• Civil & Mechanical Engineers
• DIY Enthusiasts & Estimators

Download Length Pro today and eliminate dimension errors on your job site!