CalcTriangle

CalcTriangle is an easy-to-use right triangle calculator built for carpenters, builders, and DIYers.

Enter any two sides, or one side and one angle, then tap Calc — CalcTriangle solves the rest and shows all sides, angles, area, and perimeter.

Features
• Supports feet, inches, and fractions (down to 1/16") — perfect for construction
• Metric mode with centimeters, millimeters, and meters
• Tap a field on the triangle to select it, then type your measurement
• Foot/Inch buttons with a fraction picker wheel for precise imperial entry
• Mode button cycles through display units
• Save and load triangles for quick reference on the job site
• Clean, simple interface designed for big fingers and bright sunlight

Completely rewritten in Swift for iOS 18. Fast, modern, and reliable.