Tweets allow 280 characters, bios 160, DMs 10,000. A full reference table for every field on X, plus how URLs are counted.
All articles
A 5-minute speech is roughly 625–750 words. Use this reference table for any speech length and learn why speakers run over time.
Common App, supplemental essays, UC PIQs, and academic papers — exact word count targets for each.
Why word count requirements exist, typical ranges by academic level, and how to count accurately.
The three properties that make a password strong — and the common habits that undermine it.
The conversion formula explained simply, with a reference table of temperatures worth knowing.
The 2,000-year-old Cicero quote behind the world's most widely used design placeholder.
Key conversion factors for length, weight, volume, and temperature — with a quick-reference table.