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18.5 kilo (almost) 3 year old - what restraint?

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#1 raels71

Posted 01 April 2012 - 04:38 PM

Hi guys,
I am after some advise or links.
I have a large 3 year old daughter. She weighs what a 5 year old weighs. That is - 18.5 kilos. (she is very tall for her age)
And I need to know when to move her into a booster seat?
The general guidelines that I can find online say booster seats are for age group between 4 and 7 years (weight dependant)
I also found some info that said that Forward facing child restraint (inbuilt harness) are suitable for children up to a maximum weight of 18 kg. And that Booster seat (additional child safety harness options) are suitable for children up to a maximum weight of 26 kg.
So I guess that means that if they are between 18 and 26 kilos they can be in a booster seat.
(see here http://www.vicroads.....dRestraint.htm)

Also when I go to booster seat manufacturers websites - they say suitable for weight ranges -

So when upgrading to a booster seat or not - do I take into consideration age? Size? Weight? Height?

Very Confused.

Please help.

Daughter weighs 18.5 kilos.
Is 100cm's tall
And is 3 years old.

#2 kerilyntaryn

Posted 01 April 2012 - 04:52 PM

she can stay in the seat till she is 22 kg - that's what they are tested too,  it all depends if her eye level is above the seat or not - I think 2.5 cm above is the max

#3 SeaPrincess

Posted 01 April 2012 - 05:30 PM

We had the same issue with DS1 - at 2y3m, he weighed the same as DS2 does now at 4y4m, and was getting too tall for the convertible that we had at the time.  It was before the laws changed and our options were very limited.

I would look for a convertible booster.  You'll need to find one with high strap slots for the harness, probably not a maxi-rider.  We have an Infa Odyssey and a HiPod Senator, which DS2 uses with 5-pt, and DS1 without, so they are certainly tall enough for when your DD is too tall for the harness, but I don't know which one has higher straps.  I'm sure there are plenty of other options as well.


#4 firstatforty

Posted 01 April 2012 - 05:35 PM

Check with your state's transport dept. Apart from your daughter's safety, the last thing you want or need is a policeman giving you a ticket.

#5 Mummy Em

Posted 01 April 2012 - 05:40 PM

What's wrong with the Maxi-rider?

#6 SeaPrincess

Posted 01 April 2012 - 06:04 PM

QUOTE (Mummy Em @ 01/04/2012, 03:40 PM) <{POST_SNAPBACK}>
What's wrong with the Maxi-rider?

When we looked at it for DS1, the height and weight limits were the same as the Safe and Sound convertible that DS1 had almost grown out of.  The only baby shop where we lived tried to sell it to me as the greatest thing since sliced bread, and it was no use to us at all. I haven't looked at them since though, and they may have changed to accommodate larger toddlers in a 5-pt harness.


#7 raels71

Posted 01 April 2012 - 08:20 PM

What is the difference between a convertible booster and a booster?

#8 raels71

Posted 01 April 2012 - 08:22 PM


Says here -

"It is recommended that your child stays in their child restraint as long as they fit before moving to the next restraint, regardless of their age.
If your child is too big for the recommended restraint, they should use a restraint specified for the next age group up."

#9 ednaboo

Posted 01 April 2012 - 08:43 PM

What restraint is she in at the moment?  Are her eyes level with the back of the restraint?  Where are her shoulders in relation to the top harness slot position?

Read this post for more info.  There is no need to move your 3yo to a booster yet as she should still fit into a restraint with 5 point harness.  Legally, you are allowed to move her to a booster before 4yo IF she has outgrown a restraint with 5 point harness but she is safest in a 5 point harnessed seat for as long as possible.  BAsed on those stats there are a number of 5 point harness seats she would fit.

My DD weighed 18kg at 3yo.  We kept her in her 5 point harnessed seat (Maxirider) until she hit 21kg at 4yo.  Most 3yo's won't sit correctly in a booster - my DD would move the seatbelt off her shoulder for example. However as a 4yo she has the maturity to keep the seatbelt on correctly.

#10 ednaboo

Posted 01 April 2012 - 08:45 PM

QUOTE (raels71 @ 01/04/2012, 08:20 PM) <{POST_SNAPBACK}>
What is the difference between a convertible booster and a booster?

A booster is just a booster.  A convertible booster is both a FF restraint, when used with the 5 point harness and then it converts to a booster when the child exceeds the limits of the harness.  Typically, convertible boosters accommodate bigger kids than convertible RF/FF seats.

#11 PreachersWife

Posted 01 April 2012 - 08:51 PM

OP, my daughter is four and weighs approx 20kg and is 110cm tall, so another bigger-than-average!

The previous standard (2004) was weight/age based. That is seats were labelled with a max weight, which was 9/12kg for rear facing, 18kg for forward facing and 26kg for booster seats, with a min weight for 14kg for boosters.

The change in car seat laws (national now) were a reflection of this based on statistics, ie most babies were under 9kg at 6mth, 12kg at 12mth, 18kg at four and 26kg at seven. So some older information you find talks about these 'limits'. However, these seats were tested with standard dummies that have higher weights, for eg the seats limits at 18kg were actually tested with 22kg dummies. There is a sticky at the top of this forum that talks about that, is worth a read.

So, because my daughters seat is from the 2004 standard, I have chosen to go over the 18kg limit up to 21kg, to allow her to mature a bit more before she needs to use a booster. She is in a convertible booster (MR AHR) which is designed to be used as both a traditional seat with inbuilt harness and as a booster. These types of seats are good for taller children, as they tend to have higher seat backs than regular car seats.

The new standard is 2010 and is height-based. This means that seat have markers to show when a child has reached the maximums for each stage. So far, it's seems that there is no 'standard' and some seats have higher markers than others. Again, these markers are meant to reflect statistics ie, 97% of under fours are under 22kg, they are still tested with the same dummies, as far as anyone knows??

It's taken quite a while for me to get it, and the differences between standards can be confusing. It's best to make sure what you are reading matches the seat you have IYKWIM. In your case I would look at a seat with a inbuilt harness with high shoulder slots, and there are a few examples. The best way is to take your daughter and try a few out!

Good Luck, I hope that helps

#12 PreachersWife

Posted 01 April 2012 - 08:52 PM

Hah! See I posted an essay and got beaten to the finish line! It's always the way, never mind, hope what I said helps

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