Free tools
Free tools for the field
Free, no-sign-up calculators built for site supervisors, installers and project teams. Estimate materials and storage in seconds — and come back for more, we're adding tools regularly.
- 3D preview
Concrete Calculator
Estimate concrete volume, cement, sand, gravel and the number of bags for slab, strip, column and pile foundations — with a live 3D preview. Metric & imperial.
Open tool - Sheets & lumber
Formwork Calculator
Estimate formwork contact area, plywood sheets and lumber for slab, strip, column and pile foundations. Metric & imperial.
Open tool - RAID & storage
CCTV / NVR Storage Calculator
Work out camera bitrate, total throughput, recording storage and how many hard drives to buy — including RAID sizing — for a dependable CCTV install.
Open tool - Mobile check
IFC Mobile Readiness Check
Check if a heavy IFC model will work on your phone. Enter file size, detail level and device — get an instant readiness score and practical tips.
Open tool - Spain BIM
BIM Mandate Check (Spain)
Check whether Spanish public procurement law requires BIM for your tender. Based on official Plan BIM thresholds — free, instant, role-specific.
Open tool - ROI estimate
Coordination Cost & ROI Calculator
Estimate how much poor coordination and rework cost your project — and the savings from digitising site processes. All assumptions are yours to edit.
Open tool - More tools coming soon
We're building more free calculators for construction and field teams. Have a request? Tell us at info@pinmy.co.