# Shipping Rate Based on percentage of weight

Thread began 8/01/2012 12:32 am by ZP | Last modified 8/02/2012 11:03 am by Jason Byrnes | 1496 views | 5 replies |

## 8/01/2012 12:32 am  |  #1 ZP

### Shipping Rate Based on percentage of weight

Hello Support,

This may have been asked already but I am unable to locate any post in reference to my question.

I currently have a flat rate shipping rule say total weight 100 times 1.05 = \$105.00

The problem is the cart will add another \$105.00 if the customer purchases 2 items of the same.

I want to be able to add say an extra total weight time 0.30 per next item without have a complete new rule, so I want to combine this within the current rule.

Any help would be appreciated.

Snippet below:

//eCart Rule
function WAEC_eCart1_StandardPost() {
\$totalShipping = 0;
if (true && ((sizeof(\$this->Items) > 0) && ((isset(\$_SESSION['ship_ctn'])?\$_SESSION['ship_ctn']:"") == "AU") && ((isset(\$_SESSION['ship_mtd'])?\$_SESSION['ship_mtd']:"") == "3"))) {
\$totalShipping += (\$this->TotalColumn("TotalWeight") * 1.08);//Result
}
return WA_eCart_FormatNumber(\$totalShipping, \$this->ForceDecimalsC, \$this->DecimalPlacesC);
}
//eCart Rule

## 8/01/2012 7:36 am  |  #2 Jason ByrnesWebAssist

I'm not sure I fully understand what you are trying to accomplish.

let me see if I understand correctly:
1.05 per pond for the first item in the cart
0.30 per pound for each additional item

Is that correct?

## 8/01/2012 7:49 am  |  #3 ZP

### Shipping Rate Based on percentage of weight

Hello,

To clarify:

The shipping is currently setup as total weight x (times) say 1.05 if the cart has more than one (1) item. (this is not the correct equation)

What I would really like is the second item if it is the same = total weight times by say 0.30 (or even a percentage of the total weight times 1.05)

In summary if you purchase one apple the shipping would be say \$5.00 and if you purchased two (2) apples the shipping would be say \$6.50 for arguments sake.

## 8/01/2012 10:38 am  |  #4 Jason ByrnesWebAssist

I'm still hazy on the specifics, your explanation of how you want this to work is a little to general for me to able to give specific instructions on how to set this up.

From what you have said so far, it sounds like you want the shipping to be item specific?

you want to charge Weight * 1.05 for the first item and Weight * 0.30 for each additional item?

so if you where to order:
qty: 2 Item: Apples Weight: 5 or (5 * 1.05 = 5.25) + (5 * 0.30 = 1.5) = 6.75
qty: 3 Item: Oranges Weight: 4 or (4 * 1.05 = 4.2) + (4 * 0.30 = 1.2) + (4 * 0.30 = 1.2) = 6.60
qty: 1 Item: Grapes Weight: 3 or (3 * 1.05 = 3.15) = 3.15

the shipping total should be charged as \$16.50?

Do i have that correct?

## 8/01/2012 4:20 pm  |  #5 ZP

Hello James,

My current equation is: (which is incorrect)

Purchase 1 x Apple = Shipping \$5.00
Purchase 2 x Apples = Shipping \$10.00 (wrong)

It should be if I purchase 2 x apples that the freight is not double but rather a percentage of the first \$5.00 freight charge (say 50% of the \$5.00 weight), would be charged.

The first apple is correct as we have to get the base rate of \$5.00 for the shipping its the second item that should not be \$5.00 again but rather a percentage.

another i.e.

Your buy DVD, the shipping of 1st is \$5.00 add second DVD to cart the total shipping is \$7.50 becuase they are sent in the same package.

## 8/02/2012 11:03 am  |  #6 Jason ByrnesWebAssist

your description is still laking enough detail, so I will assume that the details from my previous reply are what you are trying to accomplish.

on the calculations tab, create a new calculation as:
name: shipPrice
[Weight] * 1 + (abs([Quantity] >1)?([Quantity] - 1) * ([Weight] * 0.50):0)

and on the shipping tab, use the "Subtotal for any column" trigger:

if the sub total of "shipPrice" is ">" a value of "0"

and for the calculation, use "Based on column subtotal"
Subtotal of column "shipPrice" "plus" "0"

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