Satisfactory Manifold Calculator
Analyze and optimize your production lines with our detailed satisfactory manifold calculator. Find the perfect balance between input and consumption for maximum efficiency.
Enter the total number of items per minute supplied by your input conveyor belt (e.g., a Mk.2 belt carries 120 items/min).
Enter the total number of machines you want to feed in the manifold line.
Enter the items per minute consumed by a single machine (e.g., a Constructor making Iron Plates consumes 30 Iron Ingots/min).
What is a Satisfactory Manifold Calculator?
A satisfactory manifold calculator is a specialized tool for players of the factory-building game, Satisfactory. It helps engineers design and analyze a “manifold” system—one of the most common methods for distributing items from a single conveyor belt to a line of multiple machines. Instead of complex beltwork to ensure every machine gets an equal share from the start (a method known as load balancing), a manifold simply uses a line of splitters, with each splitter feeding one machine and passing the rest of the items down the line.
This calculator determines the overall efficiency of your proposed setup, calculates the surplus or deficit of materials, and shows you how many splitters you’ll need. It’s essential for anyone looking to build clean, scalable, and efficient production lines without the headache of manual calculations.
The Satisfactory Manifold Formula and Explanation
The core logic behind the satisfactory manifold calculator is straightforward. It revolves around comparing the total supply of items to the total demand from all machines.
Primary Formulas:
Total Consumption = Number of Machines × Consumption per MachineSystem Balance = Total Input (Items/min) - Total ConsumptionEfficiency = (Total Input / Total Consumption) × 100%(Capped at 100%)
A positive balance means you have a surplus of items, which is ideal. A negative balance indicates a deficit, meaning your machines will not be able to run at 100% efficiency. For more insights on game logistics, you might find this guide on advanced logistics helpful.
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Total Input | The speed of the main conveyor belt feeding the manifold. | Items/min | 60 – 780 |
| Number of Machines | The count of production buildings in the line. | Unitless | 2 – 50+ |
| Consumption per Machine | The rate at which one machine uses the input item. | Items/min | 5 – 100+ |
Practical Examples
Example 1: Perfect Ratio Iron Plate Production
Imagine you want to produce Iron Plates from Iron Ingots. A constructor needs 30 ingots/min. You have a Mk.3 belt capable of 270 ingots/min.
- Inputs:
- Total Input: 270 items/min
- Number of Machines: 9 Constructors
- Consumption per Machine: 30 items/min
- Results:
- Total Consumption: 9 * 30 = 270 items/min
- System Balance: 270 – 270 = 0 items/min (Perfectly balanced)
- Efficiency: 100%
This is a perfectly efficient setup where supply exactly matches demand.
Example 2: Under-fed Rotor Assembly
You’re making Rotors, which require 20 Screws per minute in an Assembler. You have a line of 10 Assemblers but are only supplying them with a single Mk.2 belt of screws (120 items/min).
- Inputs:
- Total Input: 120 items/min
- Number of Machines: 10 Assemblers
- Consumption per Machine: 20 items/min
- Results:
- Total Consumption: 10 * 20 = 200 items/min
- System Balance: 120 – 200 = -80 items/min (Deficit)
- Efficiency: (120 / 200) * 100% = 60%
In this case, your factory has an 80 items/min shortfall. Your machines will be starved for resources and will not run continuously. Using a production planning tool can help prevent these issues.
How to Use This Satisfactory Manifold Calculator
- Enter Total Input: Input the item rate of the conveyor belt that will supply your manifold. This depends on the belt’s mark level (e.g., Mk.1 is 60, Mk.5 is 780).
- Enter Machine Count: Input how many machines (Constructors, Assemblers, etc.) will be in your production line.
- Enter Machine Consumption: Check the recipe in-game to find how many of the input items are needed per minute for a single machine running at 100%.
- Click “Calculate Efficiency”: The tool will instantly compute your results.
- Interpret the Results:
- System Balance: A positive number or zero is great. A negative number means you need to either upgrade your input belt or reduce the number of machines.
- Efficiency: Aim for 100%. Anything less means your machines are bottlenecked by the lack of resources.
- Saturation Table: This shows how items are initially distributed. Machines at the end of the line get fewer items at first, but they will eventually run at 100% once the internal buffers of the preceding machines are full.
Key Factors That Affect Manifold Performance
- Conveyor Belt Speed: The primary limiting factor. A manifold can never be more efficient than the belt feeding it.
- Machine Clock Speed: Overclocking increases consumption, while underclocking reduces it. This must be factored into the “Consumption per Machine” value.
- Item Saturation (The “Ramp-Up” Time): A key characteristic of manifolds. The first machine in the line gets priority, and only its overflow feeds the next. It takes time for all machine buffers to fill up so the entire line runs smoothly.
- Input Buffer Size: Machines with larger internal buffers will take longer to saturate and pass items down the line.
- Splitter/Merger Placement: For a standard manifold, one splitter per machine (except the last) is typical. The layout should be a simple, straight line for easy troubleshooting. Exploring different logistics strategies can provide more options.
- Recipe Choice: Alternate recipes can dramatically change the consumption rate, requiring a complete recalculation of your manifold setup.
Frequently Asked Questions
- 1. Is a manifold better than a load balancer?
- A manifold is significantly easier and more compact to build. A load balancer provides equal distribution from the start but is complex and large. For most applications, a manifold’s initial “ramp-up” time is a minor inconvenience, making it the preferred method for many players.
- 2. How long does it take for a manifold to stabilize?
- This depends on the input rate, consumption rate, and number of machines. It can take anywhere from a few minutes to over an hour for very long lines with slow production. This satisfactory manifold calculator focuses on the final, stable efficiency.
- 3. What happens if I have a surplus of items?
- The input conveyor belt will simply back up. This is generally not a problem and indicates a healthy, over-supplied system. You can use a Smart Splitter at the end to siphon off overflow into a storage container.
- 4. Why is the last machine in my line not getting any items?
- This is the classic manifold saturation issue. You must wait for the input buffers of all the machines before it to completely fill up. Once they are full, items will overflow to the next machine in the line until the last one is fed.
- 5. Does this calculator work for fluids?
- The principle is the same (input vs. output), but fluid dynamics in Satisfactory can be more complex due to sloshing and head lift. This calculator is optimized for conveyor belts and items.
- 6. How many splitters do I actually need?
- For a simple manifold feeding ‘N’ machines, you will need ‘N-1’ splitters. The last machine is fed directly from the end of the conveyor line.
- 7. Can I use this for a merger system?
- Yes, the logic is reversible. If you are merging output from multiple machines onto one belt, you can use the calculator to ensure your output belt is fast enough to handle the total production.
- 8. What if I use different recipes in the same line?
- This calculator assumes all machines in the manifold are running the same recipe. If you have mixed production, you would need to calculate the total consumption manually and use that as a single input.