My impression was that they were doubled...Giant Blooded people have normal proportions, just bigger in every way. Doubling is probably an oversimplification, but so is their weapons not taking extra metal (which I think is the case?), so I'm inclined to just go with it for simplicity.
Ok, I'll run with that for now.
Iron needs for The Future (Arms and Armour for Kids and maybe Friends):
Each person gets a suit of proper Mail, a Mail-Necked Helm, and a Magical Sword, or their primary made magic if not already so. Secondary weapons and something instead of a sword are on them/too far in the future to matter right now, and weapons don't cost much anyway so who cares.
Normal people are 250+45+18oz of Forged Iron at 313oz total for proper gear.
Giant-Blooded people are 500+90+18oz of Forged Iron at 608oz total for proper gear.
Magic Weapons fully replace their Forged Iron cost with Magical Iron.
Our needs for us are a Helm for us and Abjorn, plus his armour that is probably getting made this turn.
Halla - Mail Shirt, Sagaseeker (Atgeir), Ashen Kiss (Sax), Sax - Helm 45oz Forged
Abjorn (Giant Blooded) - Shields, Avow (No Magic Metal, don't make the Steel Sword stronger), Sword - Armour and Full Helm 500+90oz Forged
Total - 635oz Forged Iron
Our current needs for the kids are:
Asgeirr (Child 1) (Giant Blooded) - 590oz Forged, 18oz Magical
Sigurdr (Child 2) (Giant Blooded) - 590oz Forged, 18oz Magical
Eyvor (Child 3) (Giant Blooded) - 590oz Forged, 18oz Magical
Hallbjorn (Child 4) (Giant Blooded) - 590oz Forged, 18oz Magical
Sneakybjorn (Child 5) (Giant Blooded) - 590oz Forged, 18oz Magical
Total - 2950oz Forged Iron, 90oz Magical Iron.
Minions:
Stigr Kersson - Bow and Arrow, Wanderlust (Sword?), Gambeson - Mail and Full Helm, 295oz Forged
Stigmar Kersson - Sword, Mail - Full Helm, Magical Sword 45oz Forged 18oz Magical
Gabriel (Normal Size) - He's Good
Tryggr Broadteeth - 2x Sax, Gambeson - Mail, Full Helm, Magic Knives 295oz Forged 16oz Magical
Trausti Pinchfinger - Large Axe, Gambeson - Mail, Full Helm, Magic Axe 295 Forged 12oz Magical
Total - 930oz Forged Iron, 46oz Magical Iron
Overall Total - 4515oz Forged Iron & 76oz Magical Iron
Jesus Christ gearing up large kids is expensive