3Blue1Brown

The simpler quadratic formula | Ep. 1 Lockdown live math

Published 17 Apr 2020 · 29 daily observations recorded · last updated 2026-09-29

Views
1,473,255
Avg views / hour
26.1
since publish (lifetime average)
Recent velocity
10.0
+240 views over 24h (2026-09-28 → 2026-09-29)
vs channel baseline
—
Channel median
—

Recent growth

Last 7 days
+1,510 views
measured 2026-09-22 → 2026-09-29 (168h)
Last 30 days
+6,370 views
measured 2026-08-27 → 2026-09-29 (792h)

Performance history

Every observation TubeSum recorded, plotted as measured.

Views over time — 29 observed points, 1.5M to 1.5M views 0 516K 1M 1.5M Aug 10, 2026 · 1,464,815 views Aug 17, 2026 · 1,465,691 views Aug 18, 2026 · 1,465,892 views Aug 27, 2026 · 1,466,885 views Aug 31, 2026 · 1,467,525 views Sep 1, 2026 · 1,467,718 views Sep 4, 2026 · 1,468,183 views Sep 6, 2026 · 1,468,565 views Sep 7, 2026 · 1,468,780 views Sep 9, 2026 · 1,469,104 views Sep 11, 2026 · 1,469,503 views Sep 12, 2026 · 1,469,686 views Sep 13, 2026 · 1,469,860 views Sep 14, 2026 · 1,470,083 views Sep 15, 2026 · 1,470,309 views Sep 16, 2026 · 1,470,543 views Sep 17, 2026 · 1,470,807 views Sep 18, 2026 · 1,471,013 views Sep 19, 2026 · 1,471,196 views Sep 20, 2026 · 1,471,377 views Sep 21, 2026 · 1,471,584 views Sep 22, 2026 · 1,471,745 views Sep 23, 2026 · 1,471,997 views Sep 24, 2026 · 1,472,182 views Sep 25, 2026 · 1,472,385 views Sep 26, 2026 · 1,472,549 views Sep 27, 2026 · 1,472,757 views Sep 28, 2026 · 1,473,015 views Sep 29, 2026 · 1,473,255 views Aug 10 Sep 15 Sep 29

Based on 29 observations · last observed Sep 29, 2026 · straight lines connect consecutive observations — TubeSum does not measure the days between them.

All observations

The same points the chart plots, as exact numbers. Gaps mean no observation was taken that day.

Date Views Avg views / hour Channel median
2026-09-29 1,473,255 26.1 —
2026-09-28 1,473,015 26.1 —
2026-09-27 1,472,757 26.1 —
2026-09-26 1,472,549 26.1 —
2026-09-25 1,472,385 26.1 —
2026-09-24 1,472,182 26.1 —
2026-09-23 1,471,997 26.1 —
2026-09-22 1,471,745 26.1 —
2026-09-21 1,471,584 26.1 —
2026-09-20 1,471,377 26.1 —
2026-09-19 1,471,196 26.1 —
2026-09-18 1,471,013 26.1 —
2026-09-17 1,470,807 26.2 —
2026-09-16 1,470,543 26.2 —
2026-09-15 1,470,309 26.2 —
2026-09-14 1,470,083 26.2 —
2026-09-13 1,469,860 26.2 —
2026-09-12 1,469,686 26.2 —
2026-09-11 1,469,503 26.2 —
2026-09-09 1,469,104 26.2 —
2026-09-07 1,468,780 26.2 —
2026-09-06 1,468,565 26.2 —
2026-09-04 1,468,183 26.2 —
2026-09-01 1,467,718 26.3 —
2026-08-31 1,467,525 26.3 —
2026-08-27 1,466,885 26.3 —
2026-08-18 1,465,892 26.4 1,262,848
2026-08-17 1,465,691 26.4 1,262,848
2026-08-10 1,464,815 26.5 1,262,848

Content analysis

Transcript, chapters and structure for this video live on its analysis page — performance and content are separate documents on TubeSum.

Read transcript & analysis →