Engineering tools and calculators

LEED Scorecard

Build a live scorecard across the LEED credit categories and see the certification level you land on.

LEED v5 BD+CLEED v4.1 BD+C

LEED Indoor Water Use Reduction

Baseline against design water use for toilets, urinals, faucets and showerheads, the percentage reduction, the 20% prerequisite and the credit points.

LEED v4.1 BD+CLEED v4 BD+C

Rooftop Solar PV: Size and Savings

How many solar panels a Saudi roof needs and what they save: a grid-connected system sized from your consumption, from your roof or from a size you…

NREL PVWatts Version 5SERA ERD-TA-012

Embodied Carbon of the Structure: LEED v5

Cradle-to-gate (A1–A3) embodied carbon of concrete, rebar, steel and blocks from named EPDs: the total, kg CO₂e/m², the three hotspots LEED v5 MRp2…

LEED v5 BD+CISO 21930EN 15804+A2