With this calculator you can calculate the length of wire for different wires, resistors and inductor cores.
The calculation is considered as help. Because there only are minimal differences between the stores (or shops). Only the data of Zivipf will be used. AWG values are indicated as well.

16x FeCrAl Kanthal-A
23x FeCrAl Kanthal-A1
18x FeCrAl Kanthal-D
9x FeCrAl Kanthal-D Flachdraht
22x Nickel-Chrom
6x Nickel-Chrom Flachdraht
6x V2A Edelstahldraht
14x V4A Edelstahldraht
7x Titandraht
6x Nickeldraht-Nickel 200

The picture was kindly provided by www.dampfdorado.de available.