[Home](./index.md) > [bitburner](./bitburner.md) > [HacknetServersFormulas](./bitburner.hacknetserversformulas.md) > [hashGainRate](./bitburner.hacknetserversformulas.hashgainrate.md) ## HacknetServersFormulas.hashGainRate() method Calculate hash gain rate. Signature: ```typescript hashGainRate(level: number, ramUsed: number, maxRam: number, cores: number, mult?: number): number; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | level | number | level of the server. | | ramUsed | number | ramUsed of the server. | | maxRam | number | maxRam of the server. | | cores | number | cores of the server. | | mult | number | player production mult (default to 1) | Returns: number The calculated hash gain rate.