Calculation worksheet
30° offset layout
Estimate travel and shrink for a 30-degree two-bend offset.
Enter your values and select Calculate to see a step-by-step result.
ReferenceField geometry; 2023 NEC 358.24 and 358.26 for EMT bend quality and total bend limit
For a 30° offset: bend spacing ≈ 2 × rise; field shrink estimate ≈ ¼ in. per inch of rise. Verify bend marks against your bender and site conditions.