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The Gold efficiency of an item tells you how much stats it provides for its price (gold cost). This is a theoretical value with no direct game impact, used mainly to compare items.

A base gold value for each stat has to be defined in order to calculate gold efficiency. This is a form of "theory-crafting" because gold value is not a part of the game's rules; the number has to be derived from the prices of in-game items (see below).

Gold efficiency is then the ratio of the item's theoretical gold value to its actual in-game price.

In general the theoretical gold efficiency is most useful for comparing items' relative, theoretical values. The "real" value of an item during an actual game is influenced by many other factors that are not easily modeled (in terms of gold or otherwise).

Calculating Gold Efficiency

The formula for the gold efficiency of an item (as a percentage figure) is simple:

$ \pagecolor{Black}\color{White}{\rm Gold\ efficiency}={{\rm Gold\ value} \over {\rm Item\ price}} \times 100 $

The difficulty is in determining the gold value given the stats on the item. It is done by using the price of "reference items" (see next section).

If the item has passive or active effects they are only taken into account if they provide stats with a gold value (e.g. if an item's effect added a temporary flat movement speed, the gold value of this effect could be determined, because there is a reference value for movement speed). See the next section for how the base gold value of various stats is derived from "reference items".

The item price is simply the price from the in-game shop.

Since gold efficiency is usually given as a percentage value, we have to multiply the ratio by 100.

An item is said to be gold efficient if its gold efficiency is at least 100%. Usually, items that are less than 100% gold efficient have other (passive or active) effects that are not taken into account when determining their gold value. This then results in a theoretical gold deficit in the item's value; in those cases, the items passive or active effects usually make up for the deficit.

Base Statistic Prices

The Gold gold values assigned to stats are not measures of the effectiveness of those stats. They are simply base values meant to be used in determining the theoretical value of other items (or effects that are not item-related, such as Dragon buffs or Runes).

A stat's Gold gold value is derived from the least expensive basic item that provides only that stat:

Champion Statistic Base Item Item Cost Stat Raised Gold Gold / Stat Bonus
Attack damage Long Sword item Long Sword Gold 350 10 AD Gold 35
Ability power Amplifying Tome item Amplifying Tome Gold 435 20 AP Gold 21.75
Armor Cloth Armor item Cloth Armor Gold 300 15 Armor Gold 20
Magic resistance Null-Magic Mantle item Null-Magic Mantle Gold 450 25 MR Gold 18
Health Ruby Crystal item Ruby Crystal Gold 400 150 HP Gold 2.67
Mana Sapphire Crystal item Sapphire Crystal Gold 350 250 MP Gold 1.4
Health regeneration Rejuvenation Bead item Rejuvenation Bead Gold 150 50% HP5 Gold 3
Mana regeneration Faerie Charm item Faerie Charm Gold 125 25% MP5 Gold 5
Critical strike chance Cloak of Agility item Cloak of Agility Gold 800 20% Crit Gold 40
Attack speed Dagger item Dagger Gold 300 12% AS Gold 25
Flat movement speed Boots of Speed item Boots of Speed Gold 300 25 MS Gold 12

Life steal, lethality, magic penetration, on-hit damage, cooldown reduction, percent movement speed, and heal and shield power are not found isolated on any single item, so their Gold gold values are calculated using the least expensive items that provide the stat: Vampiric Scepter item Vampiric Scepter, Serrated Dirk item Serrated Dirk, Sorcerer's Shoes item Sorcerer's Shoes, Recurve Bow item Recurve Bow, Kindlegem item Kindlegem, Aether Wisp item Aether Wisp and Forbidden Idol item Forbidden Idol for each of the aforementioned stats respectively. Spell vamp (on an item) is currently only found on the non-static passive Lifegrip on Maw of Malmortius item Maw of Malmortius, making its Gold gold value incalculable.

Champion Statistic Base Item Item Cost Stat Raised Gold Gold / Stat Bonus
Life steal Vampiric Scepter item Vampiric Scepter Gold 900 10% LS
15 AD
Gold 37.5
Gold 35
Lethality Serrated Dirk item Serrated Dirk Gold 1100 10 Lethality
30 AD
Gold 5
Gold 35
Magic penetration Sorcerer's Shoes item Sorcerer's Shoes Gold 1100 18 MC Pen
45 MS
Gold 31.11
Gold 12
On-hit damage Recurve Bow item Recurve Bow Gold 1000 15 OH Dmg
25% AS
Gold 25
Gold 25
Cooldown reduction Kindlegem item Kindlegem Gold 800 10% CDR
200 HP
Gold 26.67
Gold 2.67
Percent movement speed Aether Wisp item Aether Wisp Gold 850 5% MS
30 AP
Gold 39.5
Gold 21.75
Heal and shield power Forbidden Idol item Forbidden Idol Gold 800 5% HS Power
50% Base MP5
10% CDR
Gold 56.67
Gold 5
Gold 26.67

Item Statistics

Basic Tier Items

Base Item Item Cost AD Value Gold Gold / AD Long Sword item Long Sword Equivalence
Long Sword item Long Sword Gold 350 10 35 N/A
Pickaxe item Pickaxe Gold 875 25 35 100% Efficiency
B. F. Sword item B. F. Sword Gold 1300 40 32.5 107.69% Efficiency

Base Item Item Cost AP Value Gold Gold / AP Amplifying Tome item Amplifying Tome Equivalence
Amplifying Tome item Amplifying Tome Gold 435 20 21.75 N/A
Blasting Wand item Blasting Wand Gold 850 40 21.25 102.35% Efficiency
Needlessly Large Rod item Needlessly Large Rod Gold 1250 60 20.83 104.4% Efficiency

Base Item Item Cost Armor Value Gold Gold / Armor Cloth Armor item Cloth Armor Equivalence
Cloth Armor item Cloth Armor Gold 300 15 20 N/A
Chain Vest item Chain Vest Gold 800 40 20 100% Efficiency

Base Item Item Cost MR Value Gold Gold / MR Null-Magic Mantle item Null-Magic Mantle Equivalence
Null-Magic Mantle item Null-Magic Mantle Gold 450 25 18 N/A
Negatron Cloak item Negatron Cloak Gold 720 40 18 100% Efficiency

Base Item Item Cost HP Value Gold Gold / HP Ruby Crystal item Ruby Crystal Equivalence
Ruby Crystal item Ruby Crystal Gold 400 150 2.67 N/A
Giant's Belt item Giant's Belt Gold 1000 380 2.63 101.33% Efficiency

Base Item Item Cost MP Value Gold Gold / MP Sapphire Crystal item Sapphire Crystal Equivalence
Sapphire Crystal item Sapphire Crystal Gold 350 250 1.4 N/A

Base Item Item Cost Hp5 Value Gold Gold / Hp5 Rejuvenation Bead item Rejuvenation Bead Equivalence
Rejuvenation Bead item Rejuvenation Bead Gold 150 50 3 N/A

Base Item Item Cost Mp5 Value Gold Gold / Mp5 Faerie Charm item Faerie Charm Equivalence
Faerie Charm item Faerie Charm Gold 125 25 5 N/A

Base Item Item Cost Crit Value Gold Gold / Crit chance Cloak of Agility item Cloak of Agility Equivalence
Cloak of Agility item Cloak of Agility Gold 800 20 40 N/A

Base Item Item Cost AS Value Gold Gold / % AS Dagger item Dagger Equivalence
Dagger item Dagger Gold 300 12 25 N/A

All items base efficiency

The following table displays all the item base gold efficiencies (without considering passives and actives). Full item gold efficiencies (with passives) can be found on the respective items' pages.

Item Cost Base Efficiency
Abyssal Mask item Abyssal Mask3000 Gold87%
Adaptive Helm item Adaptive Helm2800 Gold88.93%
Aegis of the Legion item Aegis of the Legion1100 Gold103.64%
Aether Wisp item Aether Wisp850 Gold100%
Amplifying Tome item Amplifying Tome435 Gold100%
Archangel's Staff item Archangel's Staff3200 Gold70.76%
Archangel's Staff (Quick Charge) item Archangel's Staff (Quick Charge)3200 Gold70.76%
Ardent Censer item Ardent Censer2300 Gold117.58%
Athene's Unholy Grail item Athene's Unholy Grail2100 Gold93.29%
B. F. Sword item B. F. Sword1300 Gold107.69%
Bami's Cinder item Bami's Cinder900 Gold59.26%
Banshee's Veil item Banshee's Veil3000 Gold99.26%
Berserker's Greaves item Berserker's Greaves1100 Gold79.55%
Bilgewater Cutlass item Bilgewater Cutlass1600 Gold78.13%
Black Cleaver item Black Cleaver3000 Gold100%
Black Mist Scythe item Black Mist Scythe400 Gold410.42%
Blade of the Ruined King item Blade of the Ruined King3300 Gold75%
Blasting Wand item Blasting Wand850 Gold102.35%
Bloodrazor item Bloodrazor1625 Gold76.92%
Bloodthirster item Bloodthirster3500 Gold80%
Boots of Mobility item Boots of Mobility1000 Gold0%
Boots of Speed item Boots of Speed300 Gold0%
Boots of Swiftness item Boots of Swiftness900 Gold0%
Bramble Vest item Bramble Vest1000 Gold70%
Bulwark of the Mountain item Bulwark of the Mountain400 Gold410.94%
Catalyst of Aeons item Catalyst of Aeons1100 Gold92.73%
Caulfield's Warhammer item Caulfield's Warhammer1100 Gold103.79%
Chain Vest item Chain Vest800 Gold100%
Chalice of Harmony item Chalice of Harmony800 Gold98.75%
Juggernaut item Cinderhulk1500 Gold53.33%
Circlet of the Iron Solari item Circlet of the Iron Solari2200 Gold102.27%
Cloak of Agility item Cloak of Agility800 Gold100%
Cloth Armor item Cloth Armor300 Gold100%
Control Ward item Control Ward75 Gold0%
Corrupting Potion item Corrupting Potion500 Gold0%
Crystalline Bracer item Crystalline Bracer650 Gold105.13%
Cull item Cull450 Gold54.44%
Dagger item Dagger300 Gold100%
Dark Seal item Dark Seal350 Gold102.14%
Dead Man's Plate item Dead Man's Plate2900 Gold80.46%
Death's Dance item Death's Dance3600 Gold87.69%
Doran's Blade item Doran's Blade450 Gold134.63%
Doran's Ring item Doran's Ring400 Gold196.56%
Doran's Shield item Doran's Shield450 Gold95.41%
Duskblade of Draktharr item Duskblade of Draktharr2900 Gold81.61%
Edge of Night item Edge of Night2900 Gold96.26%
Elixir of Iron item Elixir of Iron500 Gold0%
Elixir of Sorcery item Elixir of Sorcery500 Gold0%
Elixir of Wrath item Elixir of Wrath500 Gold0%
Essence Reaver item Essence Reaver3300 Gold120.71%
Executioner's Calling item Executioner's Calling800 Gold65.63%
Faerie Charm item Faerie Charm125 Gold100%
Fiendish Codex item Fiendish Codex900 Gold114.21%
Forbidden Idol item Forbidden Idol800 Gold100%
Forgefire Cape item Forgefire Cape2750 Gold145.45%
Frostfang item Frostfang400 Gold221.98%
Frozen Fist item Frozen Fist2700 Gold148.64%
Frozen Heart item Frozen Heart2700 Gold121.98%
Frozen Mallet item Frozen Mallet3100 Gold94.09%
Gargoyle Stoneplate item Gargoyle Stoneplate2500 Gold60.8%
Giant's Belt item Giant's Belt1000 Gold101.33%
Glacial Shroud item Glacial Shroud900 Gold112.96%
Guardian Angel item Guardian Angel2800 Gold84.82%
Guardian's Hammer item Guardian's Hammer950 Gold155.26%
Guardian's Horn item Guardian's Horn950 Gold117.89%
Orb of Winter item Guardian's Orb950 Gold185.39%
Guinsoo's Rageblade item Guinsoo's Rageblade3100 Gold65.93%
Harrowing Crescent item Harrowing Crescent400 Gold190%
Haunting Guise item Haunting Guise1500 Gold86.31%
Health Potion item Health Potion50 Gold0%
Hex Core mk-1 item Hex Core mk-11150 Gold0%
Hex Core mk-2 item Hex Core mk-22150 Gold0%
Hexdrinker item Hexdrinker1300 Gold102.31%
Hextech GLP-800 item Hextech GLP-8002800 Gold101.67%
Hextech Gunblade item Hextech Gunblade3400 Gold92.35%
Hextech Protobelt-01 item Hextech Protobelt-012500 Gold94.87%
Hextech Revolver item Hextech Revolver1050 Gold82.86%
Hunter's Machete item Hunter's Machete350 Gold0%
Hunter's Talisman item Hunter's Talisman350 Gold0%
Iceborn Gauntlet item Iceborn Gauntlet2700 Gold93.83%
Infernal Mask item Infernal Mask3000 Gold149.56%
Infinity Edge item Infinity Edge3400 Gold111.76%
Ionian Boots of Lucidity item Ionian Boots of Lucidity900 Gold29.63%
Jaurim's Fist item Jaurim's Fist1200 Gold88.19%
Kindlegem item Kindlegem800 Gold100%
Kircheis Shard item Kircheis Shard700 Gold53.57%
Knight's Vow item Knight's Vow2200 Gold78.79%
Last Whisper item Last Whisper1450 Gold48.28%
Liandry's Torment item Liandry's Torment3100 Gold78.43%
Lich Bane item Lich Bane3200 Gold82.29%
Locket of the Iron Solari item Locket of the Iron Solari2200 Gold76.36%
Long Sword item Long Sword350 Gold100%
Lord Dominik's Regards item Lord Dominik's Regards2800 Gold56.25%
Lost Chapter item Lost Chapter1300 Gold99.23%
Luden's Echo item Luden's Echo3200 Gold95.76%
Luden's Pulse item Luden's Pulse3200 Gold127.08%
Manamune item Manamune2400 Gold65.63%
Manamune (Quick Charge) item Manamune (Quick Charge)2400 Gold65.63%
Maw of Malmortius item Maw of Malmortius3250 Gold89.74%
Mejai's Soulstealer item Mejai's Soulstealer1400 Gold51.07%
Mercurial Scimitar item Mercurial Scimitar3400 Gold81.03%
Mercury's Treads item Mercury's Treads1100 Gold40.91%
Might of the Ruined King item Might of the Ruined King3300 Gold102.27%
Mikael's Crucible item Mikael's Crucible2100 Gold124.76%
Molten Edge item Molten Edge3400 Gold142.65%
Morellonomicon item Morellonomicon3000 Gold77.42%
Mortal Reminder item Mortal Reminder2800 Gold56.25%
Nashor's Tooth item Nashor's Tooth3000 Gold117.44%
Needlessly Large Rod item Needlessly Large Rod1250 Gold104.4%
Negatron Cloak item Negatron Cloak720 Gold100%
Ninja Tabi item Ninja Tabi1100 Gold36.36%
Null-Magic Mantle item Null-Magic Mantle450 Gold100%
Oblivion Orb item Oblivion Orb1600 Gold60.52%
Obsidian Cleaver item Obsidian Cleaver3000 Gold136.67%
Oracle's Extract item Oracle's Extract300 Gold0%
Pauldrons of Whiterock item Pauldrons of Whiterock400 Gold406.25%
Perfect Hex Core item Perfect Hex Core3000 Gold0%
Phage item Phage1250 Gold84.67%
Phantom Dancer item Phantom Dancer2600 Gold77.94%
Pickaxe item Pickaxe875 Gold100%
Quicksilver Sash item Quicksilver Sash1300 Gold41.54%
Rabadon's Deathcap item Rabadon's Deathcap3600 Gold72.5%
Rabadon's Deathcrown item Rabadon's Deathcrown3600 Gold105.73%
Randuin's Omen item Randuin's Omen2900 Gold85.06%
Rapid Firecannon item Rapid Firecannon2600 Gold77.94%
Ravenous Hydra item Ravenous Hydra3500 Gold107.86%
Recurve Bow item Recurve Bow1000 Gold62.5%
Redemption item Redemption2100 Gold107.94%
Refillable Potion item Refillable Potion150 Gold0%
Rejuvenation Bead item Rejuvenation Bead150 Gold100%
Relic Shield item Relic Shield400 Gold65.94%
Righteous Glory item Righteous Glory2650 Gold100.13%
Rod of Ages item Rod of Ages2600 Gold97.12%
Rod of Ages (Crystal Scar) item Rod of Ages (Quick Charge)2600 Gold97.12%
Ruby Crystal item Ruby Crystal400 Gold100%
Runaan's Hurricane item Runaan's Hurricane2600 Gold90.6%
Runesteel Spaulders item Runesteel Spaulders400 Gold156.67%
Magus item Runic Echoes1500 Gold161.78%
Rylai's Crystal Scepter item Rylai's Crystal Scepter2600 Gold106.06%
Salvation item Salvation2100 Gold146.83%
Sapphire Crystal item Sapphire Crystal350 Gold100%
Sanguine Blade item Sanguine Blade3000 Gold82.92%
Seeker's Armguard item Seeker's Armguard1100 Gold94.09%
Serrated Dirk item Serrated Dirk1100 Gold95.45%
Shard of True Ice item Shard of True Ice400 Gold463.54%
Sheen item Sheen1050 Gold58.73%
Shurelya's Reverie item Shurelya's Reverie2050 Gold118.7%
Skirmisher's Sabre item Skirmisher's Sabre1000 Gold0%
Sorcerer's Shoes item Sorcerer's Shoes1100 Gold50.91%
Spectral Sickle item Spectral Sickle400 Gold81.67%
Spectre's Cowl item Spectre's Cowl1200 Gold93.06%
Spellbinder item Spellbinder2900 Gold103.62%
Spellthief's Edge item Spellthief's Edge400 Gold112.67%
Spirit Visage item Spirit Visage2800 Gold98.45%
Stalker's Blade item Stalker's Blade1000 Gold0%
Statikk Shiv item Statikk Shiv2600 Gold87.56%
Steel Shoulderguards item Steel Shoulderguards400 Gold65%
Sterak's Gage item Sterak's Gage3200 Gold37.5%
Stinger item Stinger1100 Gold103.79%
Stopwatch item Stopwatch650 Gold0%
Stormrazor item Stormrazor3200 Gold97.66%
Sunfire Cape item Sunfire Cape2750 Gold84.85%
Targon's Buckler item Targon's Buckler400 Gold158.54%
Tear of the Goddess item Tear of the Goddess850 Gold41.18%
Tear of the Goddess (Crystal Scar) item Tear of the Goddess (Quick Charge)850 Gold41.18%
Thornmail item Thornmail2900 Gold78.16%
Tiamat item Tiamat1325 Gold77.36%
Titanic Hydra item Titanic Hydra3500 Gold82.86%
Trinity Force item Trinity Force3733 Gold97.04%
Trinity Fusion item Trinity Fusion3733 Gold127.18%
Twin Shadows item Twin Shadows2400 Gold86.07%
Umbral Glaive item Umbral Glaive2400 Gold84.03%
Vampiric Scepter item Vampiric Scepter900 Gold100%
Void Staff item Void Staff2650 Gold57.45%
Warden's Mail item Warden's Mail1000 Gold80%
Warmog's Armor item Warmog's Armor2850 Gold105.26%
Warrior item Warrior1625 Gold145.64%
Wit's End item Wit's End2900 Gold80.95%
Youmuu's Ghostblade item Youmuu's Ghostblade2900 Gold75.57%
Youmuu's Wraithblade item Youmuu's Wraithblade2900 Gold99.71%
Zeal item Zeal1400 Gold112.61%
Zeke's Convergence item Zeke's Convergence2250 Gold104.74%
Zhonya's Hourglass item Zhonya's Hourglass2900 Gold96.48%
Zhonya's Paradox item Zhonya's Paradox2900 Gold125.57%

Trivia

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