Trailer Safety Chain Calculator
Check to see if your trailer chains are safely configured!
Take these measurements of your trailer setup and click the "Calculate" button. We'll let you know if your trailer is safe.

Descriptions:
- h1 - height to trailer chain attachment
- h2 - height to bottom of trailer tongue
- h3 - height to vehicle chain attachment

Descriptions:
- W1 - width between chain attachments at the tongue
- W2 - width between chain attachments at the receiver

Descriptions:
- Lchain - length of chain from connection point on the trailer tongue when pulled straight
inches
h2
inches
h3
inches
W1
inches
W2
inches
Lchain
inches
Results:
No calcuations made yet!
Always make sure to cross the chains when you hook up your trailer.