105 free calculators · no login · works on site from your phone
Arkdox Architect & Designer Toolkit
Practical calculators for architects, interior designers and project teams.
All results are estimates for preliminary use. Cross-check with local standards, regulations and laws, and confirm with a qualified professional before relying on them.
Numbers are the start. We can take it from here.
Every calculator here is a first pass. When a result has to stand up in front of a client, an authority or a contractor, our architects can verify it against your plot, your regulations and your drawings.
- FSI and area statement checkBase, premium and TDR potential checked against your development plan and DCR.
- Feasibility before you buy landBuildable envelope, parking and a realistic saleable area for a plot you are considering.
- Interior BOQ and estimate reviewQuantities and rates checked line by line before you send a quotation.
- Editable documentation kitsThe Excel workbooks behind these tools, with your logo, from the Arkdox kits.