Arc Length Calculator
Calculate length of curved walls, paths, or features
Loading Calculator
Preparing your construction tool...
Related Calculators
Expert Guides & Tutorials
Going Solar: A Complete Guide to System Sizing, Sun Hours, and ROI
A comprehensive guide on planning your solar energy system. Learn how to calculate your daily kWh usage, understand peak sun hours, size your array correctly using the Solar Panel Calculator, and determine your true Return on Investment.
The Thermal Envelope: Understanding Insulation R-Values and Comfort
A technical guide to home insulation. We explain R-Values, the difference between faced and unfaced batting, spray foam vs. fiberglass, and how to calculate the materials needed for walls and attics.
Exterior Defense: Comparing Siding Options, Durability, and Cost
Choosing the right siding is a balance of aesthetics, budget, and maintenance. We compare Vinyl, Fiber Cement (Hardie), and Wood siding, analyzing their costs, lifespans, and installation requirements.
How to Use This Calculator
Radius.
Angle.
Get Length.
Understanding Arc Length Calculations
Radians vs Degrees.
Curved walls.
Walkways.
Trim.
Formula & Calculations
2 x pi x r x (Angle/360)
Key Factors to Consider
Radius accuracy
Segmenting
Material bending
Layout
Frequently Asked Questions
1Quarter circle?
pi x r / 2.