> For the complete documentation index, see [llms.txt](https://docs.glassnode.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.glassnode.com/basic-api/endpoints/mempool.md).

# Mempool

## Mempool Average Relative Fee

> \*\*Definition.\*\* The mean relative fee of transactions waiting in the mempool.\n\n\*\*Technical.\*\* The relative fee is calculated as total transaction fees divided by transaction size (in vByte).\n\n\*\*Interpretation.\*\* High relative fees indicate transaction urgency, as miners optimise for fee per size rather than total fee. The total fee a miner can collect from a block is bounded by available block space.\n\
> \
> \[View in Studio]\(<https://studio.glassnode.com/charts/mempool.FeesAverageRelative?a=BTC>)<br>

```json
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```

## Mempool Median Relative Fee

> \*\*Definition.\*\* The median relative fee of transactions waiting in the mempool, where relative fee is total transaction fee divided by transaction size (in vByte).\n\n\*\*Interpretation.\*\* High relative fees indicate transaction urgency, since miners rank by fee-per-size rather than total fee because total collectable fee is bounded by block space.\n\
> \
> \[View in Studio]\(<https://studio.glassnode.com/charts/mempool.FeesMedianRelative?a=BTC>)<br>

```json
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```

## Mempool Total Amount of Coins

> \*\*Definition.\*\* The total amount of coins across transactions waiting in the mempool.\n\
> \
> \[View in Studio]\(<https://studio.glassnode.com/charts/mempool.TxsValueSum?a=BTC>)<br>

```json
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```

## Mempool Total Amount of Coins by Relative Fee

> \*\*Definition.\*\* The total amount of coins across transactions waiting in the mempool, broken down into relative-fee (Sat / vByte) cohorts.\n\
> \
> \[View in Studio]\(<https://studio.glassnode.com/charts/mempool.TxsValueDistribution?a=BTC>)<br>

```json
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```

## Mempool Total Amount of Fees

> \*\*Definition.\*\* The total amount of fees across transactions waiting in the mempool.\n\
> \
> \[View in Studio]\(<https://studio.glassnode.com/charts/mempool.FeesSum?a=BTC>)<br>

```json
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```

## Mempool Total Amount of Fees by Relative Fee

> \*\*Definition.\*\* The total amount of fees attached to unconfirmed transactions waiting in the mempool, broken down across relative fee (Sat / vByte) cohorts.\n\
> \
> \[View in Studio]\(<https://studio.glassnode.com/charts/mempool.FeesDistribution?a=BTC>)<br>

```json
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```

## Mempool Transaction Count

> \*\*Definition.\*\* The total number of transactions waiting in the mempool.\n\
> \
> \[View in Studio]\(<https://studio.glassnode.com/charts/mempool.TxsCountSum?a=BTC>)<br>

```json
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```

## Mempool Transaction Count by Relative Fee

> \*\*Definition.\*\* The total number of transactions waiting in the mempool, broken down into relative-fee (Sat / vByte) cohorts.\n\
> \
> \[View in Studio]\(<https://studio.glassnode.com/charts/mempool.TxsCountDistribution?a=BTC>)<br>

```json
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```

## Mempool Transactions Size

> \*\*Definition.\*\* The total size of all transactions waiting in the mempool, denoted in virtual bytes (vByte).\n\
> \
> \[View in Studio]\(<https://studio.glassnode.com/charts/mempool.TxsSizeSum?a=BTC>)<br>

```json
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```

## Mempool Transactions Size by Relative Fee

> \*\*Definition.\*\* The total size of transactions waiting in the mempool, denominated in virtual bytes and broken out by relative fee (sat/vByte) cohort.\n\
> \
> \[View in Studio]\(<https://studio.glassnode.com/charts/mempool.TxsSizeDistribution?a=BTC>)<br>

```json
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```