Try using the legend.numberFormat option.  It takes an ICU pattern 
<http://icu-project.org/apiref/icu4c/classDecimalFormat.html#_details>, 
like this:

legend: {
    numberFormat: '#,### kg'
}

On Tuesday, June 10, 2014 10:24:14 PM UTC-4, mc1 wrote:
>
> Andrew - do you know if the charts broadly support adding units to the 
> legend? In my geochart, I allow users to switch between "scales", and 
> without units, the legend can be confusing. The values at either end of the 
> legend (max/min) already update automatically, and I would also like the 
> user to know what units are being shown after each update. 
>
> Thanks!
>
> On Wednesday, May 7, 2014 10:10:00 PM UTC-7, Ashish Sharma wrote:
>>
>> Hi Andrew,
>>   Thanks for your information but if any enhancement come related to this 
>> requirement please let me intimate.
>> Thanks & regards
>> Ashish Sharma
>>
>

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