BIM Explorer - free
The first question about any model is whether it can be priced. The quantity check colours every element: green where the model carries its quantities, amber where a measurable element has none, grey for spaces, openings and annotation. Free, in one click.
Open the .ifc file you've been sent. The check reads the model's own quantity sets (Qto_ and BaseQuantities sets).
In the Views tab click Quantity check, or type it in the command palette. The model is coloured straight away.
The legend counts Has quantities and No quantities. Spaces, openings, annotation and virtual elements are Not measured and left grey.
Use Isolate or Select on a legend row to see which elements have no quantities - often walls and roofs with openings, or a whole discipline exported without base quantities.
BIM Explorer Pro takes the quantities off by IFC type and storey - and computes them from the geometry where the model has none, labelled as computed.
Help: Inspecting the model has every option in detail.
Free in BIM Explorer. No time limit, no account, no ads, and your models never leave your PC. BIM Explorer Pro is there when you need takeoff, a BOQ, IDS and clash checks.
An element passes when the model's own quantity sets hold the main quantity for its class: side area for walls, area for slabs, roofs and coverings, length for beams, columns and members, volume for footings and piles. Doors, windows and fittings are counted. Computed values don't count here, on purpose - it's a check on the model.
Spaces, openings, annotation and virtual elements aren't measured, so they're left out of the check.
Yes. The quantity check is part of the free BIM Explorer. Taking the quantities off and sending them to a BOQ is BIM Explorer Pro.
Revit only writes base quantities when "Export base quantities" is ticked in its IFC export settings. Ask for the model to be exported again with it ticked, or let BIM Explorer Pro compute them from the geometry.
A 2D plan of any storey, cut at the height you choose, with zoom, pan and a scale bar.
Lengths, areas and volumes by type or storey, sent to a BOQ that stays linked to the model.
Five ready-made checks - Uniclass, spaces, base quantities, common properties and a handover minimum.
Issues that keep the camera, the section plane and a snapshot - BCF 2.1 and 3.0, free.
The model tree, every property, display modes, sections and measuring - free and offline.
Colour by IFC class, storey, material or any property, with a legend to hide, isolate and select.
Hard clashes between models or IFC classes, exported as BCF - and what changed between issues.
The IFC viewer is free. BIM Explorer Pro is a one-off £29.99, with a free 7-day trial.
