NEC 2023 · 2026 Offset Calculator
Reference Code:
⚠ REFERENCE ONLYFor reference only. Verify all calculations with your AHJ.
Instrument Configuration
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● NEC 2023
Input Parameters
1"24"
10°22.5°30°45°60°
Quick Presets
Job / Field Note
Calculated Marks
01
MARK_01 // START
0"
Reference Point
02
MARK_02 // DISTANCE
Mark_02 (Adjusted): 0"
Mark_02 (Theoretical): 0"
Distance from Mark 1
Conduit Shrink0"
Total material loss compensation
Bend Gain0"
gain per bend
NEC Deduction0"
per bend (NEC 2023 Table 2)
Conduit Simulation
● LIVE
▸ MATERIAL ESTIMATOR
Number of Conduit Sticks
Total Shrink0"
total across all sticks
Total Run Needed0"
conduit run (adjust for waste)
Sticks @ 10ft0
sticks of 10-ft conduit needed (round up)
Sticks @ 20ft0
sticks of 20-ft conduit needed (round up)
▸ JOB QUEUE (0 CALCULATIONS)
No calculations saved yet.
▸ STICK PLANNER (0 BENDS)Stick Length:
CONDUIT BENDING CALCULATION SHEET
DATE: 2/19/2026
MODE: OFFSET
CODE REF: NEC 2023
Rise: 6"
Angle: 30°
Mark 1: 0"
Mark 2 (adj): 0"
Mark 2 (theoretical): 0"
Shrink: 0"
Bend Gain: 0"
NEC Deduction: 0"
Conduit: EMT 3/4"
TradeMathPro.com — For reference only. Verify all calculations with your AHJ.
NEC 2023 Chapter 9 Table 2 — Centerline Bend Radii
Minimum centerline radius in inches for field bends. Source: NFPA 70-2023, Chapter 9 Table 2.
| Trade Size | EMT | IMC | RMC | PVC-40 | PVC-80 |
|---|---|---|---|---|---|
| 1/2" | 4" | 4" | 4" | 4" | 4" |
| 3/4" | 4.5" | 5" | 5" | 5" | 5" |
| 1" | 5.75" | 6" | 6" | 6" | 6" |
| 1-1/4" | 7.25" | 8" | 8" | 8" | 8" |
| 1-1/2" | 8.25" | 10" | 10" | 10" | 10" |
| 2" | 9.5" | 12" | 12" | 12" | 12" |
| 2-1/2" | 10.5" | 15" | 15" | 15" | 15" |
| 3" | 13" | 18" | 18" | 18" | 18" |
| 3-1/2" | 15" | 21" | 21" | 21" | 21" |
| 4" | 16" | 24" | 24" | 24" | 24" |
| 5" | 24" | 30" | 30" | 30" | 30" |
| 6" | 30" | 36" | 36" | 36" | 36" |
All values in inches · One Shot & Full Shoe / Other Bends per NFPA 70-2023 Ch. 9 Table 2