Field Tool · Free to Use

Torsion SpringCalculator

Weigh the door with the springs unwound. Enter the numbers. Get the exact spring and the exact quarter turns — no guessing, no charts.

1 Weigh the door

2 Enter size & drum

3 Get spring + turns

The Door

Door weight (lbs) — measured, springs unwound

Height (ft)

Width (ft)

Springs

Cable drum

Suggest from

Spring inside dia.

Wind each spring

—

Spring To Install

Check The Spring That's On It

Measure 20 coils — optional helper

Squeeze the coils tight together, measure across 20 of them, and read it off the tape — this fills in the wire size for you.

Wire size

Length (in)

Springs Done Right

This is the same math we use on every job in Miami Shores, North Miami and Biscayne Park. We size the spring to your door — not whatever is closest on the truck — and back it with a 10-year warranty.

Call (786) 266-0234