Parliament Seats – Coalition Calculator & Parliament Chart Maker Parliament Seats is a free tool for exploring how the seats in a parliament are shared out, and checking whether a coalition reaches a majority. Features

Coalition calculator with simple, three-fifths, two-thirds, three-quarters, and custom majorities, plus blocking minorities and an optional tie breaker

Half-pie parliament chart and seat bar

Coalitions by political spectrum, from far left to far right

Custom parliaments with your own parties, seats, colours, name, and date

Share links, JSON import and export, PNG images for social media, and embeds for websites

Available in English, German, French, Dutch, and Turkish

Supported parliaments

European Union (European Parliament)

Australia (House of Representatives and Senate)

Austria (Nationalrat)

Belgium (Kamer / Chambre)

Canada (House of Commons / Chambre des communes)

France (Assemblée nationale)

Germany (Bundestag)

Malta (House of Representatives)

Netherlands (Tweede Kamer)

New Zealand (House of Representatives)

South Africa (National Assembly)

Turkey (Türkiye Büyük Millet Meclisi)

United Kingdom (House of Commons)