
When playing the video game Factorio, it is important to know how many miners are needed to fill up a belt. A yellow belt carries 15 items per second, a red belt carries 30 items per second, and a blue belt carries 45 items per second. Each belt has two sides or lanes, so each half can carry half the number of items per second. Without any mining productivity researched or prod modules used in the drills, 30 drills fill one yellow belt, 60 fill a red belt, and 90 fill a blue belt.
| Characteristics | Values |
|---|---|
| Number of electric miners per yellow belt | 30 |
| Number of items carried per second by a yellow belt | 15 |
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What You'll Learn

A yellow belt can support 30 miners
A yellow belt can support 30 electric miners. This is because a yellow belt carries 15 items per second, and each miner produces 0.5 ore per second. Therefore, 30 miners are needed to fill a yellow belt.
It's important to note that this assumes no mining productivity bonuses or prod modules are used in the drills. If you have productivity bonuses, you may need fewer miners to fill the belt. Additionally, it's worth mentioning that the number of miners per belt is a minimum rather than a maximum. Having extra miners can help keep the belt full, even if some individual miners deplete.
When designing a mining outpost, belt throughput is a crucial consideration. The belt speed determines how many items it can carry per second. In the case of a yellow belt, it carries 15 items per second. This is in contrast to a red belt, which carries 30 items per second, and a blue belt, which carries 45 items per second.
To ensure an efficient mining operation, it's recommended to use a belt balancer on the side where belts are taking the material. This helps distribute the material evenly, leading to faster buffering in the station's chests and reducing the impact of a whole belt's mines becoming depleted.
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Miners produce 0.5 ore/second
Miners produce 0.5 ore per second, meaning that 30 miners are needed to fill a yellow belt. A yellow belt carries 15 items per second, so 30 miners are required to fill it. This is calculated by multiplying the number of items per second by two, as each belt has two sides or lanes, and then multiplying that number by the amount of ore produced by one miner per second. This means that for a yellow belt, 15 items per second multiplied by two sides and then by two seconds gives us the required 30 miners.
It is important to note that this calculation assumes no mining productivity bonuses or prod modules are used. With these bonuses, the number of miners needed may decrease. Additionally, it is worth mentioning that having extra miners beyond the calculated 30 can be beneficial. This is because if one miner runs out, the extra miners can take up the slack and keep the belt full.
The calculation for the number of miners needed per belt can be adjusted for different belt colours. For example, a red belt carries 30 items per second, so 60 miners are required to fill it, and a blue belt carries 45 items per second, requiring 90 miners.
In summary, to ensure a yellow belt is filled, 30 miners are needed, taking into account the production rate of miners and the carrying capacity of the belt. This calculation can be adjusted for different belt colours and may be influenced by productivity bonuses. Having extra miners can help maintain a full belt and prevent disruptions to the ratio if individual miners deplete.
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Belt throughput: yellow belts carry 15 items/second
When it comes to the popular game Factorio, belt throughput is a crucial consideration. Yellow belts, in particular, have a throughput of 15 items per second. This means that a yellow belt can carry 15 items from each assembler or furnace every second. To ensure a smooth gaming experience and maintain a good flow on your belt, it's important to manage the ratio of input and output.
Now, let's delve into the specifics of electric miners and their relationship with yellow belts. In the game, each miner provides 0.5 ore per second. This means that to fill up a yellow belt, you would need 30 electric miners. These miners can be placed on both sides of the belt, with 15 miners on each side. It's worth noting that this number serves as a minimum rather than a maximum. By having extra miners, you can compensate for any depletion in individual miners and ensure that the belt stays full.
To maximize efficiency, it's recommended to use a belt balancer. This helps distribute the material evenly, leading to faster buffering in the station's chests and reducing the impact of a fully depleted belt. Additionally, consider using shorter trains with an even number of cargo wagons, such as 4 or 6, to optimize your setup.
While 30 electric miners are sufficient for a yellow belt, it's always a good idea to pack in as many miners as possible. This way, if one miner runs out, your ratios won't be affected, and you can maintain a steady flow of resources. Remember, the goal is to keep the belt full and avoid any gaps or backlogs that may hinder your progress in the game.
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Miners deplete, so extra miners can help
According to some sources, a single miner provides 0.5 ore per second, so you would need 30 electric miners for a yellow belt. However, it is recommended to pack in as many miners as possible to maintain efficient ratios. If one miner on the edge of the patch runs out, the ratios can be disrupted. Therefore, having extra miners can help ensure a consistent supply of resources.
Additionally, mining productivity research can increase the productivity of all mining drills, making them more efficient. This can help extend the amount of ore generated from a patch. However, it is important to note that having too many idle miners can lead to unnecessary resource consumption and pollution.
To calculate the number of miners needed, you can use the formula: Mining speed / Mining time = Production rate (in resource/sec). The mining time represents the "hardness" of the resource being mined, and higher mining time results in slower mining. By balancing the mining speed and mining time, you can determine the optimal number of miners to ensure efficient resource extraction without wasting resources or energy.
In summary, having extra miners can help prevent depletion and maintain efficient ratios. However, it is important to consider the trade-off between resource efficiency and energy consumption when determining the optimal number of miners per yellow belt.
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Belt compression ratio: how efficiently items are transported
In the game Factorio, the belt transport system is one of the most detailed simulations in the game. The efficiency of transporting items is determined by the belt's throughput, density, and compression.
Throughput refers to how many items per second are moved from one tile to the next. This is calculated by multiplying density (items per tile) by speed (tiles per second). For example, a basic belt has a throughput of 7.5 items per second for one belt lane, or 15 items per second for both lanes.
Density refers to how many items fit onto a certain length of belt, measured in items per tile per belt lane. On a straight belt, the density is 4 items per tile, regardless of the item or belt type. Density can be increased using stack inserters, but there is a maximum of 4 stacks per tile per lane.
Compression refers to how efficiently items are packed onto the belt. A fully compressed belt has no empty space between items, resulting in optimal throughput. If there are gaps between items, the compression is only partial, and the belt does not have optimal throughput. Belts naturally become fully compressed before items start to back up.
To achieve full belt compression, players can use various methods such as underground belts, splitter inserters, and side loading, or the simple solution of ensuring output onto an isolated belt and then splitting it into the main output. Additionally, the number of drills per belt or miners per belt can impact compression. For example, 30 miners are needed for a yellow belt, and 60 for a red belt, as each miner provides 0.5 ore per second.
Overall, achieving full belt compression in Factorio involves optimizing throughput, maximizing density, and minimizing gaps between items to ensure efficient transportation of resources.
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Frequently asked questions
30 miners are needed to fill a yellow belt.
A yellow belt carries 15 items per second.
A red belt requires 60 miners.










































