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Quorum Calculator

Calculate the minimum number of members required for a valid vote or decision in your organization, board meeting, or assembly.

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Quorum Required

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What is a Quorum?

A quorum is the minimum number of members required to be present at a meeting before official business can be conducted. Without a quorum, any votes or decisions made may be considered invalid.

The concept of quorum is essential in corporate governance, legislative bodies, non-profit organizations, homeowners associations, and any group that makes collective decisions through voting.

How to Calculate Quorum

The formula for calculating quorum depends on your organization's bylaws:

Quorum = Total Members × Required Percentage

For a simple majority, divide the total number by 2 and add 1. For example, if you have 25 members, the quorum would be 13 (25 ÷ 2 = 12.5, rounded down to 12, plus 1 = 13).

Common Quorum Types

50%+1

Simple Majority

Most common requirement for regular meetings

66.67%

Two-Thirds

Often required for amending bylaws

75%

Three-Fourths

Used for major constitutional changes

💡 Quick Tips

  • ✓Always check your organization's bylaws for specific quorum requirements
  • ✓Count only voting members, not honorary or non-voting members
  • ✓Verify quorum at the start of every meeting
  • ✓Document attendance for official records

Frequently Asked Questions

If a quorum is not present, the meeting can still occur for discussion purposes, but no official votes or binding decisions can be made. The meeting may need to be adjourned and rescheduled.

Yes, quorum requirements are typically defined in an organization's bylaws and can be amended through the proper amendment process, which usually requires a supermajority vote.

This depends on your organization's bylaws. Some organizations count proxy votes toward quorum, while others require physical (or virtual) presence. Check your specific governing documents.

Quorum refers to the minimum attendance required to hold a valid meeting. A majority vote refers to how many votes are needed to pass a motion once quorum is established. They are related but distinct concepts.

The most common quorum requirement is a simple majority, meaning more than half of the members (50% + 1) must be present. However, this varies by organization and jurisdiction.