[Home](./index.md) > [bitburner](./bitburner.md) > [HacknetServersFormulas](./bitburner.hacknetserversformulas.md) > [hacknetServerCost](./bitburner.hacknetserversformulas.hacknetservercost.md)
## HacknetServersFormulas.hacknetServerCost() method
Calculate the cost of a hacknet server.
Signature:
```typescript
hacknetServerCost(n: number, mult?: number): number;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| n | number | number of the hacknet server |
| mult | number | player cost reduction (defaults to 1) |
Returns:
number
The calculated cost.