Metric Calculators for Roofing

Customary to Metric

Measurement Type user input here  Metric Conversion Resulting Measurement Type
R-Value     (ft² · h · ˚F) / Btu (m² · K) / W
K-Value     Btu / (ft · h · ˚F) W / (m · K)
U-Value     Btu / (ft² · h · ˚F) W / (m² · K)
Density     (pcf) kg / m³
Compressive Strength     (psi) kpa
Length     (foot) meters
Length     (inches) millimeters
Square Feet     (s.f.)

Metric to Customary

Measurement Type user input here  Customary Conversion Resulting Measurement Type
Metric R     (m² · K) / W (ft² · h · ˚F) / Btu
Metric K     W / (m · K) Btu / (ft · h · ˚F)
Metric U     W / (m² · K) Btu / (ft² · h · ˚F)
Metric Density     kg / m³ pcf
Metric Comp.Strength     kpa psi
Metric Length     (meter) feet
Metric Length     (millimeters) inches
Metric-Square Meters     (m²) s.f.