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OpenCart allows you to set up weight based shipping options. Remember, this will only work correctly if you have entered in a product weight. The Product weight can be found by opening the product in the OpenCart Dashboard and going to the “Data” tab.

Setting up the weight based shipping method is easily accomplished through your OpenCart Dashboard.

How to set up weight based shipping in OpenCart

  1. Log into your OpenCart Dashboard
  2. Go to Extensions > Shipping
  3. Find the “Weight Based Shipping” method and either click “Install” if its not yet been installed or “Edit” if it has
  4. Click “Edit” if you have not already done so
  5. opencart_weight_shipping_1

  6. On the General Tab, you will need fill in the options as needed:
    • Tax Class: Choose the Tax Class that this shipping method applies to
    • Status: Choose to enable the shipping method
    • Sort Order: Set the numerical value of the sort order to be displayed
  7. The tabs listed under the General tab are all of your Geo Zones. Each Geo Zone will need to be configured to use the weight based shipping module. Let’s go through one Geo Zone and set it up. If you’re not familiar with Geo Zones please see our article.
    Rates: This is weight:cost, weight:cost, weight:cost, etc. (so if you want to ship 5lbs of merchandise for $10 you’d enter in 5:10.00)
    Status: Decide whether to enable this shipping method for this Geo Zone
  8. Once you are done setting up all your shipping rates for weights click “Save” in the upper right corner

Let’s look at an example:

  • Cart weight 10lbs or less costs $5
  • Cart weight 11-20lbs costs $15
  • Cart weight 21-40lbs costs $25
  • Cart weight more than 40lbs costs $35

You would use the following rates:

10:5.00, 20:15.00, 40:25.00, 999999:35.00

The last entry is extremely important since it sets an infinite weight ceiling. If you don’t have the 999999 rate, then any shipment over 40lbs would not be able to use weight based shipping and it would not show.

Since weight based shipping supports Geo Zones, each individual Geo Zone can have its own set of weights and costs as well as ranges.

If you need further assistance please feel free to ask a question in our support center.

Continued Education in Course 203: Shipping and Taxes in OpenCart
You are viewing Section 11: Setting up Weight Based Shipping
Section 10: Enabling a Specific Shipping Method in OpenCart
Section 12: Installing the Pick Up from Store Shipping Method
n/a Points
2014-05-14 11:58 am

Weight Based Shipping do not dispaly as a shipping option after I have upgraded opencart to Version

could you please asist.



36,928 Points
2014-05-14 12:28 pm
Hello Anton,

In testing a fresh Opencart installation, the Weight based shipping appears as an option when going to Extensions >> Shipping. If you are not seeing it, you may want to try a test of a fresh installation in another section of your hosting account. It should show up.

You may need to rollback your upgrade with the backup you made before performing the upgrade and try again. The weight based shipping is a standard part of the current core and should always be there.

Kindest Regards,
Scott M
n/a Points
2015-02-06 1:35 am



i want to remove ( 0.00kg) in Mail order


how to do it?

11,186 Points
2015-02-06 6:31 pm
Unfortunately, your comment is a bit vague. Could you clarify what exactly you are trying to do?
n/a Points
2015-02-07 12:23 am



Thanks for your response.


Actually we are trying to use weight based shipping for another method of shipping.


it is working according to our requirement


where we have modifiied the lable to according to us in the front end


but in the backend ie, in mail order and other i want remove (kg) from the lable.


bcz it doesnt match our modified requirement.


Hope u undestood



36,928 Points
2015-02-09 10:24 am

We do not advise on changing source code of a CMS. This is due to updates that will overwrite the source in the future. You would have to redo that every time you updated. Also, it sounds as if you have made customizations already so we are unable to advise based on those as we are not able to duplicate the environment.

Kindest Regards,
Scott M
n/a Points
2015-02-17 6:23 am

Hi, I've set up weight based shipping like above with my own values, ive also enabled it but it still dosn't show up as a option in the shopping cart part of my store? is there something i'm doing wrong?

9,460 Points
2015-02-17 11:56 am
Hello Emma,

Are you using any kind of caching modules as you may need to clear either that cache or your browsers cache in order to see the changes on your website. Can you please provide your domain so we may look into the issue further.

Best Regards,
TJ Edens
n/a Points
2015-02-17 12:12 pm

it only shows the option to pick up, i've disabled everything else apart from that one and the weight one

9,460 Points
2015-02-17 12:18 pm
Hello Emma,

I checked your domain and was able to replicate the issue, without being able to log in I would not be able to troubleshoot further. I would suggest getting some assistance from your webhost as they would have more access that we would at this time.

Kindest Regards,
TJ Edens
n/a Points
2015-02-20 4:57 pm

Can I just say thank you for trying to help me,

I have fallen accross the solution myself so thought I would post so anyone else can see if it helps them.

I needed to change the setting in my settings, i'd done the weights in Kgs but the stores default weight was in grams as soon as I changed this to kgs the shipping weights started to work fine.


Thanks again

n/a Points
2015-04-18 10:32 am

Hello, I would like to ask if there is an easy and flexible way to add stepped weight:price entries. For example there is an courier that charges as follows :

Up to 5 Kg - Cost : €10 euro

Up to 10 Kg - Cost : €18 euro

and from then and on for every additional 1 Kg it costs €1 euro each.

What is the proper formula to enter in the settings page of..

"Weight Based Shipping -> Rates"


36,928 Points
2015-04-20 8:34 am
Hello SolidSnake,

The first two conditions can certainly be set within the base OpenCart, but to set it up to automatically add a suero for each kg above 10 is not possible by default. There may be an extension that allows that, but we do not know of one offhand.

Kindest Regards,
Scott M
n/a Points
2015-05-11 3:18 am


How to calculate exact weight with the price, for example my products are under 500grams so I dont want to charge my customer for 1kg, 

Could you please help me to do that


9,460 Points
2015-05-11 2:54 pm
Hello Venkatesh,

You can not do that by default to my knowledge however there are plugins/modules you can use to do something very similar. I found this plugin that allows you to set shipping fees based on the product/category.

Best Regards,
TJ Edens
n/a Points
2015-06-06 5:21 am


Iam getting 4.56 instead of 3.80 and 5.47 instead of 4.56.

Why this is happend in our site.Please help us to resolve it.

36,928 Points
2015-06-08 1:45 pm
Hello kavitha,

I am not quite understanding what you are asking. Please be more specific and give the exact steps and settings you are using.

Kindest Regards,
Scott M
n/a Points
2015-09-11 2:36 am

There is any way to have Free SHipping for multipule zone.

36,928 Points
2015-09-14 10:03 am

You can make multiple zones free shipping. I will need more information on what specifically you are trying to set up.

Kindest Regards,
Scott M
n/a Points
2016-02-25 5:25 am


Does it work with decimals? For example from 0.05 to 0.9 Lbs?

22,880 Points
2016-02-25 1:26 pm
Hello Rene,

Thank you for contacting us. If you want to break down shipping like this, I recommend changing your weight option to grams. This is explained on the official OpenCart forums post on Common Weight Based Shipping questions.

Thank you,

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