ArchScaleArchitectural calculations
enid
Precision tool for architects

Calculate your site. Scale your drawings.

KDB, KLB, GSB, dimensions, units, and architectural scales in one precise workspace.

Open CalculatorExplore Scales
Workflow
Site
20 × 30 m
KDB · KLB · GSB
KDB 60% · KLB 2.4 · GSB 5 m
16 × 22 m
16 × 22 m buildable
1:100 · 5 m → 5 cm
1:100 · 5 m → 5 cm

Built for the drawing board

KDB / KLB / GSBFootprint, floor area, and setback envelopes with transparent formulas.
Scale engineReal ↔ drawing conversion across standard and custom scales.
Unit-awaremm, cm, m, km, inch, ft. Inputs normalize automatically.
Site envelopeLive schematic of the buildable area inside setback lines.