Cubic Centimeter Of Timber Makes ? Cubic Centimeters Of Shavings

I roughed out a bowl yesterday and today about 400 mm high X 500 mm wide. I cleaned up 5 plastic grocery bags of shavings and put them in the wood fired boiler.

Has anyone figured a rough ratio of timber to shavings?

Cubic Centimeter Of Timber Makes ? Cubic Centimeters Of Shavings