Here are some guidelines for cutting brownies and bars. The size of the bar or square is approximate and will vary with your pans.
8-INCH SQUARE BAKING PAN
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<tr>
<td align="center"><strong>Number of Rows<br>
<br>
Length x Width</strong></td>
<td align="center" valign="top"><strong>Size of Bar</strong></td>
<td align="center" valign="top"><strong>Yield</strong></td>
</tr>
<tr>
<td align="center">4 x 4</td>
<td align="center">2" x 2"</td>
<td align="center">16</td>
</tr>
<tr>
<td align="center">4 x 5</td>
<td align="center">2" x 1-1/2"</td>
<td align="center">20</td>
</tr>
<tr>
<td align="center">4 x 8</td>
<td align="center">2" x 1"</td>
<td align="center">32</td>
</tr>
<tr>
<td align="center">5 x 5</td>
<td align="center">1-1/2" x 1-1/2"</td>
<td align="center">25</td>
</tr>
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Note: a 9-inch square baking pan will yield the same number of bars as above but each bar will be a little larger.
11"x17" BAKING PAN
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<tr>
<td align="center"><strong>Number of Rows<br>
<br>
Length x Width</strong></td>
<td align="center" valign="top"><strong>Size of Bar</strong></td>
<td align="center" valign="top"><strong>Yield</strong></td>
</tr>
<tr>
<td align="center">5 x 4</td>
<td align="center">2-1/4" x 1-3/4"</td>
<td align="center">20</td>
</tr>
<tr>
<td align="center">5 x 5</td>
<td align="center">2-1/4" x 1-3/8"</td>
<td align="center">25</td>
</tr>
<tr>
<td align="center">8 x 4</td>
<td align="center">1-1/2" x 1-3/4"</td>
<td align="center">32</td>
</tr>
<tr>
<td align="center">8 x 5</td>
<td align="center">1-1/2" x 1-3/8"</td>
<td align="center">40</td>
</tr>
<tr>
<td align="center">11 x 4</td>
<td align="center">1" x 1-3/4"</td>
<td align="center">44</td>
</tr>
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13" x 9" BAKING PAN
<tbody>
<tr>
<td align="center"><strong>Number of Rows<br>
<br>
Length x Width</strong></td>
<td align="center" valign="top"><strong>Size of Bar</strong></td>
<td align="center" valign="top"><strong>Yield</strong></td>
</tr>
<tr>
<td align="center">6 x 6</td>
<td align="center">2-1/8" x 1-1/2"</td>
<td align="center">36</td>
</tr>
<tr>
<td align="center">8 x 5</td>
<td align="center">1-5/8" x 1-3/4"</td>
<td align="center">40</td>
</tr>
<tr>
<td align="center">8 x 6</td>
<td align="center">1-5/8" x 1-1/2"</td>
<td align="center">48</td>
</tr>
<tr>
<td align="center">6 x 9</td>
<td align="center">2" x 1"</td>
<td align="center">54</td>
</tr>
</tbody>
15" x10" JELLY-ROLL PAN
<tbody>
<tr>
<td align="center"><strong>Number of Rows<br>
<br>
Length x Width</strong></td>
<td align="center" valign="top"><strong>Size of Bar</strong></td>
<td align="center" valign="top"><strong>Yield</strong></td>
</tr>
<tr>
<td align="center">10 x 4</td>
<td align="center">1 1/2" x 2 1/2"</td>
<td align="center">40</td>
</tr>
<tr>
<td align="center">12 x 4</td>
<td align="center">1 1/4" x 2 1/2"</td>
<td align="center">48</td>
</tr>
<tr>
<td align="center">8 x 6</td>
<td align="center">1-3/4" x 1-3/4"</td>
<td align="center">48</td>
</tr>
<tr>
<td align="center">10 x 5</td>
<td align="center">1-1/2" x 2"</td>
<td align="center">50</td>
</tr>
<tr>
<td align="center">9 x 6</td>
<td align="center">1-5/8" x 1-5/8"</td>
<td align="center">54</td>
</tr>
<tr>
<td align="center">10 x 6</td>
<td align="center">1-1/2" x 1-1/2"</td>
<td align="center">60</td>
</tr>
</tbody>
