Metric Calculators for Roofing

Customary to Metric

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

Metric to Customary

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