If I wanted to do every quest in the game what levels will I need? I only know that I need 56 smithing, I don't know any other skills. Combat that you should have helps too!

From a similar help thread to yours (still on the first page if you want to look for it)

 

 

 

 

 

 

 

Attack and Hitpoints have no requirements.

 

 

 

Strength- 50 for Legends

 

 

 

Prayer- 47 for Rum Deal

 

 

 

Range- 60 for Mourning Ends-Part 1

 

 

 

Mage- 66 for Swan Song

 

 

 

Mine- 60 for Lunar Diplomacy

 

 

 

Smith- 65 for Devious Minds

 

 

 

Fishing- 62 for Swan Song

 

 

 

Cooking- 70 for Recipe For Disaster

 

 

 

Crafting- 61 for Lunar Diplomacy

 

 

 

Thief- 53 for Desert Treasure

 

 

 

Agility- 56 for Regicide

 

 

 

Farming- 49 for Fairy Tale Part 2

 

 

 

Herblore- 57 for Fairy Tale Part 2

 

 

 

Slayer- 42 for Rum Deal

 

 

 

Runecrafting- 50 for Devious Minds

 

 

 

Fletching- 50 for Devious Minds

 

 

 

Woodcutting- 55 for Lunar Diplomacy

 

 

 

Firemaking- 50 for Desert Treasure

 

 

 

Defense- 40 for Lunar Diplomacy

 

 

 

Construction- 5 for The Eyes of Glouphrie

 

 

 

 

 

 

 

I might be wrong on some of these that are recommended, but there they are.

 

 

 

 

 

 

 

I think lowest smithing you could have is 59, boosting up to 65 with a spicy stew.