Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Stone (unit)
Table title:
Elsewhere
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > City </th><th colspan=1 rowspan=1 > Modern country </th><th colspan=1 rowspan=1 > Term used </th><th colspan=1 rowspan=1 > Weight of stone in kilograms </th><th colspan=1 rowspan=1 > Weight of stone in local pounds </th><th colspan=1 rowspan=1 > Comments </th></tr>
<tr> <td colspan=1 rowspan=2 > Dresden </td><td colspan=1 rowspan=2 > Germany </td><td colspan=1 rowspan=2 > Stein </td><td colspan=1 rowspan=1 > 10.15 </td><td colspan=1 rowspan=1 > 22 </td><td colspan=1 rowspan=1 > Before 1841 </td></tr>
<tr> <td colspan=1 rowspan=1 > 10.0 </td><td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 > From 1841 onwards </td></tr>
<tr> <td colspan=1 rowspan=2 > Mecklenburg-Strelitz Berlin </td><td colspan=1 rowspan=2 > Germany </td><td colspan=1 rowspan=1 > schwerer Stein </td><td colspan=1 rowspan=1 > 10.296 </td><td colspan=1 rowspan=1 > 22 </td><td colspan=1 rowspan=1 > heavy stone </td></tr>
<tr> <td colspan=1 rowspan=1 > leichter Stein </td><td colspan=1 rowspan=1 > 5.148 </td><td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > light stone </td></tr>
<tr> <td colspan=1 rowspan=2 > Danzig (Gdańsk) Königsberg (Kaliningrad) </td><td colspan=1 rowspan=2 > Poland Russia </td><td colspan=1 rowspan=1 > großer Stein </td><td colspan=1 rowspan=1 > 15.444 </td><td colspan=1 rowspan=1 > 33 </td><td colspan=1 rowspan=1 > large stone </td></tr>
<tr> <td colspan=1 rowspan=1 > kleiner Stein </td><td colspan=1 rowspan=1 > 10.296 </td><td colspan=1 rowspan=1 > 22 </td><td colspan=1 rowspan=1 > small stone </td></tr>
<tr> <td colspan=1 rowspan=2 > Bremen </td><td colspan=1 rowspan=2 > Germany </td><td colspan=1 rowspan=1 > Stein Flachs </td><td colspan=1 rowspan=1 > 9.97 </td><td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 > stone of flax </td></tr>
<tr> <td colspan=1 rowspan=1 > Stein Wolle und Federn </td><td colspan=1 rowspan=1 > 4.985 </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > stone of wool and feathers </td></tr>
<tr> <td colspan=1 rowspan=2 > Oldenburg </td><td colspan=1 rowspan=2 > Germany </td><td colspan=1 rowspan=1 > Stein Flachs </td><td colspan=1 rowspan=1 > 9.692 </td><td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 > stone of flax </td></tr>
<tr> <td colspan=1 rowspan=1 > Stein Wolle und Federn </td><td colspan=1 rowspan=1 > 4.846 </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > stone of wool and feathers </td></tr>
<tr> <td colspan=1 rowspan=1 > Kraków </td><td colspan=1 rowspan=1 > Poland </td><td colspan=1 rowspan=1 > Stein </td><td colspan=1 rowspan=1 > 10.137 </td><td colspan=1 rowspan=1 > 25 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Osnabrück </td><td colspan=1 rowspan=1 > Germany </td><td colspan=1 rowspan=1 > Stein </td><td colspan=1 rowspan=1 > 4.941 </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > Amsterdam </td><td class="highlighted"  colspan=1 rowspan=2 > Netherlands </td><td class="highlighted"  colspan=1 rowspan=2 > Steen </td><td class="highlighted"  colspan=1 rowspan=1 > 3.953 </td><td class="highlighted"  colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > Before 1817 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > 6 </td><td class="highlighted"  colspan=1 rowspan=1 > "Metric stone" (after 1817) </td></tr>
<tr> <td colspan=1 rowspan=1 > Karlsruhe </td><td colspan=1 rowspan=1 > Germany </td><td colspan=1 rowspan=1 > Stein </td><td colspan=1 rowspan=1 > 5.00 </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Leipzig, Weimar </td><td colspan=1 rowspan=1 > Germany </td><td colspan=1 rowspan=1 > Stein </td><td colspan=1 rowspan=1 > 10.287 </td><td colspan=1 rowspan=1 > 22 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Breslau (Wrocław) </td><td colspan=1 rowspan=1 > Poland </td><td colspan=1 rowspan=1 > Stein </td><td colspan=1 rowspan=1 > 9.732 </td><td colspan=1 rowspan=1 > 24 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Antwerpen </td><td colspan=1 rowspan=1 > Belgium </td><td colspan=1 rowspan=1 > Steen </td><td colspan=1 rowspan=1 > 3.761 </td><td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Prague </td><td colspan=1 rowspan=1 > Czech Republic </td><td colspan=1 rowspan=1 > Stein </td><td colspan=1 rowspan=1 > 10.29 </td><td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Solothurn </td><td colspan=1 rowspan=1 > Switzerland </td><td colspan=1 rowspan=1 > Stein </td><td colspan=1 rowspan=1 > 5.184 </td><td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > Stockholm </td><td colspan=1 rowspan=1 > Sweden </td><td colspan=1 rowspan=1 > Sten </td><td colspan=1 rowspan=1 > 13.60 </td><td colspan=1 rowspan=1 > 32 </td><td colspan=1 rowspan=1 > (32 Skålpund) </td></tr>
<tr> <td colspan=1 rowspan=1 > Warsaw </td><td colspan=1 rowspan=1 > Poland </td><td colspan=1 rowspan=1 > Kamień </td><td colspan=1 rowspan=1 > 10.14 </td><td colspan=1 rowspan=1 > 25 </td><td colspan=1 rowspan=1 > 25 Funtów </td></tr>
<tr> <td colspan=1 rowspan=1 > Vilnius </td><td colspan=1 rowspan=1 > Lithuania </td><td colspan=1 rowspan=1 > Kamieni </td><td colspan=1 rowspan=1 > 14.992 </td><td colspan=1 rowspan=1 > 40 </td><td colspan=1 rowspan=1 > 40 Funtów </td></tr>
<tr> <td colspan=1 rowspan=1 > Vienna </td><td colspan=1 rowspan=1 > Austria </td><td colspan=1 rowspan=1 > Stein </td><td colspan=1 rowspan=1 > 11.20 </td><td colspan=1 rowspan=1 > 20 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
The stone was redefined to what kg?
Answer:
In Amsterdam, Netherlands according to the metric system in 1817, the steen (stone) had previously been 8 pounds (3.953 kg) but was redefined as 3 kg.