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
- Striver’s Dynamic Programming seriesStriver (take U forward) · English
- Striver’s Graph seriesStriver (take U forward) · English
- Apna College’s C++ DSA courseApna College · Hindi
- Love Babbar’s C++ Placement DSA courseLove Babbar (CodeHelp) · Hindi
- Kunal Kushwaha’s Java + DSA courseKunal Kushwaha · English
- Abdul Bari’s Algorithms courseAbdul Bari · English
- Jenny’s Lectures Data Structures and AlgorithmsJenny’s Lectures · English
- MIT 6.006 Introduction to Algorithms (Spring 2020)MIT OpenCourseWare · English
Python
- CodeWithHarry’s 100 Days of PythonCodeWithHarry · Hindi
- CodeWithHarry’s Python Tutorials for BeginnersCodeWithHarry · Hindi
- Corey Schafer’s Python TutorialsCorey Schafer · English
- Telusko’s Python for BeginnersTelusko · English
- CS50’s Introduction to Programming with Python (CS50P)CS50 (Harvard) · English
Web development
- CodeWithHarry’s Sigma Web Development CourseCodeWithHarry · Hindi
- Chai aur JavaScriptHitesh Choudhary (Chai aur Code) · Hindi
- Chai aur ReactHitesh Choudhary (Chai aur Code) · Hindi
- Apna College’s Web Development CourseApna College · Hindi
- Love Babbar’s MERN Web Development courseLove Babbar (CodeHelp) · Hindi
Java, C & C++
CS fundamentals & GATE
- Gate Smashers DBMS playlistGate Smashers · Hindi
- Gate Smashers Operating System playlistGate Smashers · Hindi
- Gate Smashers Computer Networks playlistGate Smashers · Hindi
- 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
- Krish Naik’s Complete Machine Learning playlistKrish Naik · English
- StatQuest’s Machine Learning playlistStatQuest (Josh Starmer) · English
- Stanford CS229 Machine Learning with Andrew Ng (Autumn 2018)Stanford Online · English
- 3Blue1Brown’s Essence of Linear Algebra3Blue1Brown · English