Data updates & corrections
When a dataset is refreshed, a product changes or a reader reports a mistake, it is recorded here with the date. Spot something wrong? Tell us.
- Data update
Full data review before launch
Every calculator's constants were re-checked against current manufacturer technical data sheets, retailer listings, 2026 supplier price sheets, the EIA Electric Power Monthly and NREL. Outdated figures that still circulate online (for example "a pallet of 80-lb concrete is a cubic yard") were excluded.
- Launch
GableMath launches
Calculators for concrete, gravel and mulch, paint, flooring, tile, fencing, roofing, electricity cost and solar.