Please enter the amount in stacked cubic meters.
This refers to 1 m³ of stacked firewood, including air gaps between the logs.
What Are "Raummeter" and "Festmeter"?
When measuring firewood, two common units are used in German-speaking countries:
1 Raummeter (rm) is 1 m³ of stacked firewood, including the air gaps between the logs.
This is the typical way firewood is sold or stored.
Festmeter (fm) – Solid Cubic Meter
1 Festmeter (fm) is 1 m³ of pure wood, without any air gaps — in other words, solid wood volume.
It's often used for calculating the raw volume of tree trunks or estimating energy content.
How Is It Converted to Solid Cubic Meters (Festmeter)
1 Raummeter equals 0.7 Festmeter (solid cubic meters of wood).