How To Speed Up uTorrent

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BitTorrent is one of the most common protocols of transferring large amounts of data over the internet. It is a protocol is based on peer-to-peer file sharing. At any given moment, BitTorrent has, more active users then YouTube and Facebook combined according to Wikipedia.

It is capable to transfer a huge amount of data and because of that all users are trying to find how to speed up torrent downloads. The most popular BitTorrent client is uTorrent, and that is why we are going to show you how to speed up uTorrent.

Speed Up uTorrent

How to speed up uTorrent

uTorrent is the best BitTorrent client currently available.

These tips may be used on any other BitTorrent client, not just uTorrent. Note that we are not going to show you how to speed up internet – we are going to show you how to speed up uTorrent downloads.

Increase download speed

There are a few tricks which may show you how to increase download speed. This is going to speed up torrent download speed. You can speed up torrent downloads by following these tips:

Seed and peer ratio

This is a quite simple tip, but it is extremely important when deciding which torrent you are going to download from torrent download sites like The Pirate Bay.

Seed Peer Ratio

Always check out the best SE/LE ratio.

All these torrent download sites are going to show you the recent seed/peer ratio. So, it is important to look for torrents with best ratio. Usually torrents with more seeds compared to peers are better. So, 100 seeds and 50 peers is better than 1000 seeds (seeders) and 1000 peers (leechers).

Cap your upload

This is probably the most important thing every BitTorrent user should care about. If your connection upload speed reach it’s max, your download rate is going to suffer significantly. Capping your upload may speed up uTorrent downloads.

To change your upload connection limit, go to uTorrent Options > Preferences > Bandwidth and set Maximum upload rate (kB/s) to the 70% of your upload speed at max.

Upload Cap

Cap your upload connection speed up to 70% at max. Here is the value for my 1Mbit/sec upload speed connection.

If you do not know which upload speed you have, there are many ways to find that out easily. I would recommend you to take this SpeedTest.

Optimize Upload Speed Settings

By using this upload settings calculator, you can automatically know how to apply optimal settings on your uTorrent client.

Upload Settings Calculator

Even though this application is created for another torrent client, you may easily apply these settings in your uTorrent client.

All you need is to type in your upload speed (in KiloBits/sec). If you do not know your current upload speed cap, go and check it out on these sites.

Speed up uTorrent downloads

Another important option to setup Number of Connections inside your uTorrent client. You can find this option under Options > Preferences > Bandwidth:

Number of Connections uTorrent

Number of connections settings in uTorrent client.

This is my own formula which works on my computer. For my upload connection speed of 1024 kB/s and download of 12288 kB/s (12 Mbit/s). I tested these formulas on my uTorrent clients with the same torrent downloads and it works.

Number of connections formulas

Global maximum number of connections: upload speed / 1,95 (my connection: 525)

Maximum number of connected peers per torrent: upload speed / 3,65 (my connection: 280)

Number of upload slots per torrent: upload speed / 128 (my connection: 8)

Also, leave that “Use additional upload slots if upload speed < 90%” Checked.

Cap your download speed at 2x of your speed

Update: Thanks for Marko who send us this tip. I think it is worth to mention this because it helped me to go from 700 kb/s to 950kb/s on one torrent in a short time.

Go to Options > Preferences > Bandwidth and set Maximum download rate option to 2x of your maximum download speed. For my connection it would be 24576 kb/s instead of unlimited “0” setting.

Strange but seems this works on some torrents.

Use uTorrent 3.4+ Version

The uTorrent 3.4 version (and above) includes an update to the connection strategy, the optimize finding the fastest peers. Because of this, it is recommended to use the latest version of uTorrent client in order to speed up uTorrent.

Set DHT Rate

Hassan from Egypt sent me an email telling me that his download speed improved after changing default DHT Rating value (-1) to 2000. By changing this, I have noticed a small improvement in download speed on some torrents and it might work for you as well.

DHT should, in theory, increase your average transfer speeds, by potentially finding more seeds and peers than the other scraping methods.

To change your DHT Rate go to Preferences (CTRL+P) > Advanced and search for dht. When you find dht.rate in your advanced setting list, click on it and change it to 2 from -1 default value. Just like it is shown on the below screenshot:

DHT Rate

Change default dht.rate value to speed up your download speed.

You should limit DHT value especially when you have a lot of enabled torrents (which are downloading or uploading) and if you restart uTorrent frequently.

Set “High” Bandwidth Allocation

On some torrents you can force your client to get the better bandwidth allocation from the current seeders. To do that right-click on a torrent you wish to speed-up and go to [ Bandwidth Allocation > High ]:

Set Bandwidth Allocation

Set high bandwidth allocation to the selected torrent.

Wait a few minutes and you will probably see how torrent download speed is increasing.

Change to Random Port

Some firewalls actually may block ports that are accessed by your torrent client. This might drastically affect your download speed. To change this setting, go to [ Options > Preferences > Connection > Random Port ]:

Random Port uTorrent

Change uTorrent to access to a random port.

This will force uTorrent to connect to a random port. On some systems, this might highly improve your download speed with uTorrent.

Force Protocol Encryption

Force Protocol Encryption will not be beneficial to everyone. It can only make your transfers faster if your own ISP (service provider) actively slows down torrent transfers. However, you can try to force this option and see how it works for you.

To apply this option go to [Options > Preferences > BitTorrent]:

Force Protocol Encryption - Speed up uTorrent

Force protocol encryption for your uTorrent client to speed up download on some ISP.

Also make sure the check box for Allowing incoming legacy connections checked if not by default.

If after applying some of these settings above you experience bad performances, feel free to restore values to default.

Update Log:

  • August 2014, Added several speed up options (thanks to heme)
  • March 2014: Added upload settings calculator.
  • May 2014: Added Protocol Encryption feature.
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8 comments on “How To Speed Up uTorrent
  1. I was getting a speed of 100 Kb/ps and the speeds kept dropping constantly to around 40 Kb/ps.
    I tried your steps and used http://infinite-source.de/az/az-calc.html to set my client right and now my speeds are at a constant 350 Kb/ps!
    Thank you so much,it works! :D

  2. TOUFIK says:

    I was getting speed of 100kb/ps & the speeds kept dropping constatly to around 30kb/ps.
    I tried your steps & set my cilent right & now my speed is at a constant 300kb/ps!
    THANKYOU VERY VERY VERY MUCH!!!!!!!!!!!!!!

  3. Tekkient says:

    I was getting speeds of about 10 kb/ps, speeds kept dropping down to 0. After this, speeds came to 1.5+ mb/s on a 1200:1700 ratio torrent.

  4. Dhruv says:

    how do i do the same in utorrent on mac? theres no advance tabs and all. please help

  5. Sahil says:

    I always get speed of 19/20 Kb/s only…sometimes speed rises to 200kb/s but it decreases suddenly..what to do??

  6. heme says:

    Another tip for speeding up:

    Make sure you are using the uTorrent 3.4.* version and up.

    It includes an update to the connection strategy, the optimize finding the fastest peers.

  7. Spumby says:

    nice tricks, really helpful for me.

  8. Jigglypuff says:

    2.4MB/s to 3.5MB/s .. Thank you!

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