Flame Height from an Opening

Determine the height a flame projects from an opening in an external wall, and how far it stands off the wall, from the compartment floor area, opening dimensions and fire load density.

An external wall opening with the flame projecting above it, showing the opening height h, the flame height above the opening, and the horizontal distance the flame stands off the wall.
Dimensions used by this calculator.
m²
m
m
MJ/m²