How Many Phones Does It Take to Mine 1g of Gold?

The Gold Rush Hiding in Your Kitchen Drawer

A tonne of gold ore pulled from the ground yields roughly 1 to 5 grams of gold, according to the World Gold Council. A tonne of discarded mobile phones? That same tonne yields somewhere between 200 and 400 grams. You read that right - your old handset is somewhere between 40 and 400 times richer in gold than the rock miners are blasting apart in South Africa.

The uncomfortable truth is that most of us already own a small gold mine. We just keep it in a drawer next to a charging cable we no longer recognise.

So here's the question we actually want to answer: how many phones does it take to recover a single gram of gold? And what about silver and palladium - the metals that rarely get the headlines but are arguably just as valuable to the recycling industry? We've crunched the numbers using real extraction data, and the results make the economics of urban mining surprisingly compelling.

How Much Precious Metal Is Actually in a Phone?

A modern smartphone contains roughly 0.03 grams of gold, 0.25 grams of silver and around 0.009 grams of palladium, based on figures from the United States Geological Survey. Older, bulkier handsets from the early 2000s actually contained more gold - sometimes 0.05 to 0.06 grams - because circuit board technology was less efficient and required more conductive material.

The gold sits mainly in the circuit board connectors and processor contacts. Silver appears in the solder and switches. Palladium lives in the ceramic capacitors - those tiny components that most people have never noticed, let alone thought about recovering.

So the maths for a single gram of gold looks like this: at 0.03g per phone, you'd need roughly 33 to 34 handsets to accumulate one gram. For a troy ounce (the standard unit in precious metals trading), you're looking at just over 1,000 phones. At the current gold spot price of around £78 per gram, that troy ounce is worth approximately £2,430 - sitting across a pile of devices most people would happily hand over for a tenner each.

Silver and Palladium: The Metals Worth Paying Attention To

Silver is the unsung hero of phone recycling. At 0.25 grams per handset, you only need four phones to accumulate a single gram of silver. That sounds modest until you realise silver trades at around £0.80 per gram - meaning those four phones collectively carry about 80p in silver alone, before you've even accounted for the gold or palladium.

Palladium is where things get genuinely interesting. It's rarer than gold, and for much of the past decade it was actually more expensive. At its 2022 peak, palladium hit over £2,000 per troy ounce. It's softened since then, but still trades at roughly £850 per troy ounce as of early 2026. At 0.009g per phone, you'd need around 111 phones to recover a single gram of palladium - but that gram is worth approximately £27. Compare that to the gold in those same 111 phones: 3.33g worth about £260. The gold still wins, but palladium is far from irrelevant.

Aggregate all three metals across 100 phones and you're looking at roughly 3g of gold (£234), 25g of silver (£20) and 0.9g of palladium (£24). That's around £278 in precious metals from 100 devices - before you factor in the copper, cobalt and lithium that recyclers also recover.

Why Traditional Mining Can't Compete With Your Junk Drawer

The comparison between urban mining and conventional mining isn't just interesting - it's economically significant. The average gold mine operates at an all-in sustaining cost (AISC) of roughly $1,300 to $1,500 per troy ounce, according to the World Gold Council's quarterly data. That's the cost of blasting, crushing, processing and refining ore from the ground.

Urban mining from e-waste runs at a fraction of that. The ore is already concentrated, already partially refined and - critically - it comes to the recycler rather than requiring the recycler to go and find it. The UN Environment Programme estimated back in 2019 that the value of e-waste generated globally was $57 billion, with less than 20% formally recycled. That gap hasn't closed much since.

Here in the UK, DEFRA data shows we generate around 1.45 million tonnes of e-waste annually. Mobile phones represent a meaningful slice of that - the GSMA estimated there are over 125 million unused phones sitting in UK homes. If even half of those were recycled, the recoverable gold alone would be worth hundreds of millions of pounds at current spot prices.

We see this dynamic play out constantly through OnRecycle. Recyclers in our network are paying real money for old handsets precisely because the precious metal content makes it worthwhile. An iPhone 12 in working condition fetches up to £95 through our comparison tool right now. That's not charity - the recycler knows exactly what's inside and has priced accordingly.

What Recyclers Actually Do With the Metal

The process of getting from a pile of phones to a bar of gold isn't simple. Handsets are first shredded, then the resulting material is sorted using a combination of magnets, eddy current separators and density separation to pull apart plastics, ferrous metals and non-ferrous metals. The non-ferrous fraction - which contains the gold, silver and palladium - then goes to a smelter.

Most UK recyclers don't smelt on-site. They aggregate material and ship it to specialist precious metal refiners, many of them based in Belgium, Germany or Switzerland - Umicore in Belgium being one of the largest in the world. The refiner then uses hydrometallurgical or pyrometallurgical processes to isolate individual metals at high purity.

This is why volume matters so much. A single phone yields 0.03g of gold - genuinely not worth the processing cost in isolation. But a recycler handling 10,000 phones per month is recovering around 300g of gold monthly, worth roughly £23,400 at current prices. That's before the silver, palladium, copper and cobalt. The economics only work at scale, which is why the recycling industry has consolidated significantly over the past decade.

From the devices sold through our platform, we've noticed that newer flagships like the iPhone 15 Pro and Samsung Galaxy S24 Ultra actually contain less gold by weight than older models - miniaturisation means thinner gold plating on contacts. But they contain more advanced rare earth elements used in cameras and processors, which adds a different layer of value for specialist recyclers.

The Devices Worth the Most to Urban Miners

Not all phones are equal when it comes to precious metal content. Older flagship devices - think iPhone 4, Samsung Galaxy S2, Nokia N95 - were built with thicker gold plating and more generous use of silver in their solder. They're genuinely more metal-rich than a 2024 budget Android.

Laptops and tablets are even better. A single MacBook Pro contains an estimated 0.8 to 1.2 grams of gold in its logic board - roughly 30 to 40 times more than a smartphone. That's part of why the top MacBook Pro 16" M4 Max models command up to £1,590 in recycling value on our platform right now. The precious metal content is real, but so is the demand for refurbished components - recyclers are often paying for both simultaneously.

Tablets sit somewhere in between. An iPad Pro contains significantly more gold than a phone but less than a laptop. If you've got a drawer containing a mix of old iPhones, a dusty iPad and a laptop you haven't touched since 2020, the combined precious metal value is likely well over £5 to £8 in raw metals alone - on top of whatever the recycler pays for the working components.

The practical upshot? Get a quote before you assume something is worthless. We regularly see people surprised that a cracked, non-working iPhone 11 still fetches £30 or more through our comparison. The screen might be shattered but the logic board is intact - and that's where the gold lives.

What This Means If You're Sitting on Old Devices

Here's the practical angle. If you've got five old phones in a drawer, you're sitting on roughly 0.15g of gold, 1.25g of silver and 0.045g of palladium. In raw metal terms, that's about £14. Not life-changing - but those same five phones, if they're models from the last six years, could fetch £50 to £200+ through a recycler depending on condition.

The reason recyclers can pay you more than the scrap metal value is that the devices often have secondary value as refurbished units or for parts. The precious metal content is the floor price - the absolute minimum a phone is worth. Working devices are worth considerably more on top.

That said, the metal floor matters. It's why recyclers will still pay something for a completely dead, water-damaged phone with a smashed screen. There's no refurbishment value there, but there is a logic board with 0.03g of gold waiting to be recovered. We see this all the time - customers who assume a broken phone is worthless and are genuinely surprised when a quote comes back at £10 to £20.

The 125 million unused phones sitting in UK homes represent a genuine resource problem. The UN estimates that by 2030, global e-waste will hit 74 million tonnes annually - and the metals inside those devices are finite. Mining new gold and palladium has real environmental costs: habitat destruction, cyanide leaching, significant carbon output. Recovering the same metals from phones you've already bought costs a fraction of that.

Check what your old devices are worth on OnRecycle - it takes about 30 seconds, it's free and you might be more surprised than you expect. The gold rush is already in your kitchen drawer. Someone's going to recover it eventually; it might as well be on your terms.

Published by The OnRecycle Team on 6th March 2026