Margin Math

Dial in registered voters, turnout, and the split — see who decided the race on a 200-dot grid, how many no-shows it would take to flip it, and copy a margin receipt.

Illustrative and nonpartisan: every preset is fictional, side colors are deliberately neutral, and this is arithmetic, not a forecast. Two sides only — no third parties, write-ins, or undervotes.

Race setup

Race seat, measure, or vote

Side A

Side B

Registered voters everyone who could have voted

Turnout % of registered who voted

Side A share % of votes cast

Flip lean % of new voters who'd back the trailing side

Who decided it

Each dot ≈ 0 registered voters

Side A Side B Stayed home The margin No-shows needed to flip

Verdict

NO VOTES

Decided by

—

Load a preset or enter a race.

Votes cast

Stayed home

Side A

Side B

To flip

—

No-shows : margin

—

The margin, in human terms, shows up here.

Set registered voters, turnout, and the split.

Markdown receipt

Load a preset or enter a race — the margin receipt appears here.

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