Top Cut Calculator
Calculate precise roof pitch angles and measurements for your carpentry projects. Our free online calculator helps you determine the perfect top cut angle for rafters and roof framing.
How to Use the Top Cut Calculator
1. Enter Your Measurements
Input your roof pitch (rise over run) and rafter width to get started. The calculator accepts both metric and imperial measurements.
2. Get Instant Results
Our calculator instantly provides you with the exact top cut angle and measurements needed for your project.
3. Apply the Measurements
Use the calculated measurements to make precise cuts on your rafters or roof framing.
About the Top Cut Calculator
The Top Cut Calculator is an essential tool for carpenters, roofers, and DIY enthusiasts working on roof construction projects. It helps you determine the exact angle needed for the top cut of rafters, ensuring a perfect fit and professional finish.
Whether you're working on a new roof installation, renovation project, or custom carpentry work, our calculator provides accurate measurements to help you achieve precise cuts every time.
This free online tool eliminates the need for complex manual calculations and reduces the risk of measurement errors, saving you time and materials on your projects.
Frequently Asked Questions
What is a top cut in roofing?
A top cut is the angle cut made at the top of a rafter where it meets the ridge board. This cut is crucial for proper roof framing and ensuring a tight fit at the roof peak.
How accurate is the calculator?
Our calculator provides precise measurements based on standard roofing formulas. However, always double-check measurements on-site and account for any unique project requirements.
Can I use this for any roof pitch?
Yes, the calculator works with any roof pitch. Simply input your specific measurements, and the calculator will provide the corresponding top cut angle.