Conduit Bending Calculator
Lay out offsets and stub-ups without guessing. Enter an offset depth and bend angle to get the distance between bends and the shrink, plus the mark distance for a 90° stub by conduit size.
Offset Bend
How far around the obstacle
90° Stub-Up
Bend Marks
Distance Between Bends12 in
Offset Shrink1 1/2"
90° Stub Mark (from end)7 in
Offset multiplier ×2 at 30°. Stub mark = height − take-up (5" for 1/2" EMT). Confirm against your bender's marks.
Offset multipliers: 10°×6, 22.5°×2.6, 30°×2, 45°×1.4, 60°×1.2, with the matching shrink per inch of offset. 90° stub mark = desired height − bender take-up. Take-up values shown are typical for EMT; always confirm against the marks on your specific bender.
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