Use the 10kt column for the weight, apply 2/3 of the 1kt V1 correction and round down.
We use Zero Wind charts with the use of a headwind weight correction subject to Captains discretion, unless of course its and Airbus
Old Smokey, interesting to see that you use FMC speeds, do you also carry paper v-speed tables for calculations beyond the limits of the FMC? (ie, CDL corrections?
Mutt......