Course lengths
How long are popular YouTube courses?
Total watch time for the course playlists students ask about most, read live from YouTube. Open any course to see it at faster speeds and how many days it takes, or calculate any other playlist.
DSA & algorithms
- Striver’s A2Z DSA CourseStriver (take U forward) · English · 315 videos114h 32m
- Striver’s Dynamic Programming seriesStriver (take U forward) · English · 57 videos23h 44m
- Striver’s Graph seriesStriver (take U forward) · English · 56 videos18h 15m
- Apna College’s C++ DSA courseApna College · Hindi · 144 videos69h 37m
- Love Babbar’s C++ Placement DSA courseLove Babbar (CodeHelp) · Hindi · 149 videos96h 28m
- Kunal Kushwaha’s Java + DSA courseKunal Kushwaha · English · 69 videos79h 35m
- Abdul Bari’s Algorithms courseAbdul Bari · English · 84 videos24h 3m
- Jenny’s Lectures Data Structures and AlgorithmsJenny’s Lectures · English · 121 videos43h 36m
- MIT 6.006 Introduction to Algorithms (Spring 2020)MIT OpenCourseWare · English · 32 videos35h 19m
Python
- CodeWithHarry’s 100 Days of PythonCodeWithHarry · Hindi · 100 videos17h 57m
- CodeWithHarry’s Python Tutorials for BeginnersCodeWithHarry · Hindi · 129 videos34h 30m
- Corey Schafer’s Python TutorialsCorey Schafer · English · 158 videos86h 37m
- Telusko’s Python for BeginnersTelusko · English · 124 videos17h 20m
- CS50’s Introduction to Programming with Python (CS50P)CS50 (Harvard) · English · 11 videos15h 54m
Web development
- CodeWithHarry’s Sigma Web Development CourseCodeWithHarry · Hindi · 139 videos56h 30m
- Chai aur JavaScriptHitesh Choudhary (Chai aur Code) · Hindi · 51 videos20h 3m
- Chai aur ReactHitesh Choudhary (Chai aur Code) · Hindi · 35 videos20h 7m
- Apna College’s Web Development CourseApna College · Hindi · 57 videos18h 18m
- Love Babbar’s MERN Web Development courseLove Babbar (CodeHelp) · Hindi · 84 videos59h 13m
Java, C & C++
CS fundamentals & GATE
- Gate Smashers DBMS playlistGate Smashers · Hindi · 140 videos25h 15m
- Gate Smashers Operating System playlistGate Smashers · Hindi · 92 videos20h 18m
- Gate Smashers Computer Networks playlistGate Smashers · Hindi · 106 videos19h 11m
- Neso Academy’s Theory of ComputationNeso Academy · English · 44 videos12h 47m
- Harvard CS50x (2025 lectures)CS50 (Harvard) · English · 13 videos26h 22m
Machine learning & maths
- CampusX 100 Days of Machine LearningCampusX · Hindi · 134 videos62h 50m
- Krish Naik’s Complete Machine Learning playlistKrish Naik · English · 153 videos36h 53m
- StatQuest’s Machine Learning playlistStatQuest (Josh Starmer) · English · 106 videos29h 50m
- Stanford CS229 Machine Learning with Andrew Ng (Autumn 2018)Stanford Online · English · 21 videos27h 51m
- 3Blue1Brown’s Essence of Linear Algebra3Blue1Brown · English · 16 videos3h 0m