revit-ifc (Autodesk)PLMConfidence: Medium

In a millimetre project, whole-number-of-feet beam-system spacing exported as feet divided by 304.8, so 2 ft 0 in landed in the IFC as 0.0066 instead of 609.6 (off by a factor of about 93,000) on Revit 2024 and 2026 with no warning.

Impact Analysis

Persona

Product Manager

Team Size Impact

5x Multiplier

Prototype Delay

3 Days

Est. Annual Cost

$30,000

1 user · 1 month240 min
Rest of team960 min
Rest of year13,200 min

monthly_minutes × 12 × team_multiplier ÷ 60 × $75/hr = $30k/yr

$75/hr assumed rate.

Annual team-minutes decomposed from the reported monthly inputs.

Evidence & Sources

1 Sources

Autodesk/revit-ifc Issue #1015: PR: Beam System spacing exported as feet / 304.8 when the value is a whole number of feet (millimetre project)

github.com

→

Analyst Notes

From the Grok pain-radar digests, Oct 26-27 2026 (Oct 26 12:41 PM ET through Oct 27 7:41 AM ET digests plus the Haitch editions). Verified live 2026-10-27: issue/PR/thread read; title and state confirmed.