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 - 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 - More tools coming soon
We're building more free calculators for construction and field teams. Have a request? Tell us at [email protected].