3:35Long-form

Why are manhole covers round? - Marc Chamberland

United StatesPublished April 13, 2015

Views 656K  |  Likes 12.6K  |  Comments 372
Views#787,412Global
Views#178,546United States

Channel

TED-EdTED-Ed
22.8M subs2.37K videosMar 2011

Revenue estimate

Based on an estimated $0.7–$2CPM (revenue per 1,000 views) — a rough public estimate, not actual creator earnings, which depend on ad rates, audience geography, and monetization settings YouTube doesn't expose publicly.

Total (all-time)$460 – $1.31K