[Home](./index.md) > [bitburner](./bitburner.md) > [HacknetNodesFormulas](./bitburner.hacknetnodesformulas.md) > [moneyGainRate](./bitburner.hacknetnodesformulas.moneygainrate.md)
## HacknetNodesFormulas.moneyGainRate() method
Calculate money gain rate.
Signature:
```typescript
moneyGainRate(level: number, ram: number, cores: number, mult?: number): number;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| level | number | level of the node. |
| ram | number | ram of the node. |
| cores | number | cores of the node. |
| mult | number | player production mult (default to 1) |
Returns:
number
The calculated money gain rate.