Molecular weight to hydrodynamic radius converter

Determine the theoretical hydrodynamic radius of your protein

This converter uses the theoretical relationship between hydrodynamic radius and the molecular weight of a protein to be able to convert between the two. This tool can be used to determine the theoretical hydrodynamic radius of your protein or protein complex before running it on the Fluidity One-M to confirm that the practical results are within an expected size range. Note that this calculator assumes that the folded form is globular and so does not account for the actual folded conformation, which is often less compact than the globular estimate. For a structure-based prediction you can use our PDB converter.

Input the weight of your protein in kDa into the molecular weight side of the converter, select whether the protein is likely to be folded (globular) or unfolded. It will output the theoretical hydrodynamic radius in nm. This tool can also be used in reverse to give theoretical molecular weight in kDa from hydrodynamic radius in nm.

 

Enter either a molecular weight (kDa) or a hydrodynamic radius (nm) to convert

If you would like to understand further the relationship between hydrodynamic radius and molecular weight see the details in our FAQs

Fluidic Sciences Ltd