ChippyCal

Instantly convert metric and imperial measurements, build and save cut lists, and use tools for studwork, roofs, stairs, circles and arcs—with more to come.

ChippyCal is a practical construction calculator designed for carpenters, joiners, builders and DIY users.

Enter measurements in metric or imperial units, perform everyday calculations and save results directly to reusable cut lists.

Features include:

• Metric and imperial calculations • Feet, inches and imperial fractions • Live measurement conversions • Active and saved cut lists • Triangle and roof calculations • Stud wall calculations • Stair calculations • Circle and arc calculations • Adjustable fraction resolution • Built-in help and guidance

ChippyCal is designed to make site calculations quicker and easier, whether you are estimating materials, checking dimensions or preparing a cut list.

Your measurements, preferences and saved cut lists remain on your device. No account is required.