MMP seat allocation calculator

Instructions

Follow these easy steps:

Enter the number of Party Votes or the percentage of Party Votes you want to give each party
Add in any electorate seats (if any) won by each party. This is optional, but you should include electorate seats which you assume parties getting less than 5% of party vote will win.
The maximum total of electorate seats is 71. If you enter numbers that add up to a total greater than this, they will be auto-adjusted to fit the maximum.
Using the 'Other Party' boxes type in the name of any party not shown
Click the 'Calculate parliamentary seats' button

Party vote expressed as:

as a percentage of Party Votes

as count of the number of Party Votes

Your virtual election results

Party name	Party votes won	% of party vote	% of effective party vote	Party seat entitlement	No. of electorate seats won	No. of list MPs	Total MPs	OH	% of MPs
Totals

Due to rounding the total may not add up to 100%.
The percentage of party votes won that is displayed is truncated to two decimal places. Please hover over the percentage to see the value to 5 decimal places of precision.
The following parties did not cross the threshold: