# Function: normalise()

[**lifecycle-kit**](https://jonbogaty.com/lifecycle-kit/api/readme/index.md)

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[lifecycle-kit](https://jonbogaty.com/lifecycle-kit/api/readme/index.md) / [chem](https://jonbogaty.com/lifecycle-kit/api/chem/readme/index.md) / normalise


# Function: normalise() {#function-normalise}


> **normalise**(`raw`): [`Composition`](https://jonbogaty.com/lifecycle-kit/api/chem/type-aliases/composition/index.md)

Defined in: [chem/biomolecules.ts:107](https://github.com/jbcom/lifecycle-kit/blob/074e4e7b8038d3e2de9eb44c4b5b5aee0ef02b48/src/chem/biomolecules.ts#L107)

Normalise a raw tally into fractions that sum to 1.


## Parameters {#parameters}



### raw {#raw}


[`Composition`](https://jonbogaty.com/lifecycle-kit/api/chem/type-aliases/composition/index.md)


## Returns {#returns}


[`Composition`](https://jonbogaty.com/lifecycle-kit/api/chem/type-aliases/composition/index.md)