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MeasureFloorPlan vs Leica Disto: GLA Calculation for Appraisers
These two tools do not compete: they solve different parts of the same problem. A Disto measures individual distances on-site. MeasureFloorPlan calculates total GLA from a floor plan back at your desk. Understanding where each fits saves you time and eliminates the need to carry a clipboard of field notes.
The short version
- Leica Disto: Use it when you need to physically measure wall lengths on-site: no floor plan exists, or you are verifying field conditions against a plan.
- MeasureFloorPlan: Use it when you have a floor plan (from any source) and need to calculate ANSI-compliant GLA fast: without setting foot on the property.
MeasureFloorPlan vs Disto: at a glance
| MeasureFloorPlan | Leica Disto | |
|---|---|---|
| Primary function | GLA calculation from existing floor plans | Laser distance measurement of individual walls |
| Requires site visit | No | Yes |
| GLA output | Calculated automatically from traced perimeter | Raw distances only: requires manual sketch + math |
| ANSI Z765 compliance | Built-in methodology | Tool-agnostic: compliant if appraiser applies correct method |
| Works from PDFs | Yes | No |
| Typical use | Desk review, existing floor plan measurement | Field inspection, sketching new floor plans |
| Price | $7-$25 in credits | $200–$700 (hardware, one-time) |
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Measure your floor plan →When you need a Disto
A Leica Disto is the right tool when you are physically on-site and need to record wall lengths. It is faster than a tape measure, accurate to within a millimeter, and works well in large open rooms where a tape would be awkward.
The limitation is that raw distance measurements do not give you GLA on their own. You still need to sketch the floor plan, transfer the dimensions, close the polygon, and calculate total area: either by hand or by entering measurements into sketch software.
When you need MeasureFloorPlan
MeasureFloorPlan is the right tool when you already have a to-scale floor plan: from a CubiCasa, Matterport, or iGUIDE scan, an architect drawing, or a PDF from the appraiser who did the original inspection. Upload it, trace the perimeter, set one known wall length, and you get ANSI-compliant GLA instantly.
This is the typical scenario for desk review appraisers, retroactive GLA checks, and anyone measuring from a floor plan without visiting the property.
Using both together
Many appraisers use both. On-site, the Disto records wall lengths, which get transferred into a sketch tool to produce a to-scale floor plan. Back at the desk, MeasureFloorPlan can verify the GLA calculation from that exported floor plan, or measure a CubiCasa export for a second opinion.
The two tools occupy different stages of the appraisal workflow. They do not replace each other.
The cost comparison
A Leica Disto runs $200 to $700 depending on the model (D2, D5, D510, S series). It is a one-time hardware cost. MeasureFloorPlan costs $7 for a single measurement, or as little as $2.50 per floor plan in a 10-pack.
Neither replaces the other in terms of function. The more useful comparison is MeasureFloorPlan vs. the time spent manually sketching and calculating: which runs 20 to 40 minutes per property for most appraisers. At $100/hour, that is $33 to $66 of labor per report that MeasureFloorPlan can cut to under two minutes.
Already have the floor plan?
MeasureFloorPlan calculates GLA from any to-scale floor plan in under two minutes. No field visit required.
Get StartedRelated comparisons
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