# RBF Fee Bump Calculator

> Learn the review process for increasing a replacement transaction fee.

Mode: Runs locally.

## Supported behavior

Single conflict with no descendants. Relay rate is node-specific. This calculation cannot guarantee replacement acceptance.

## Security and privacy

Calculations run locally. Check the network and inputs. Estimates of fees, policy acceptance, prices and future block timing are not guarantees.

[Security model](https://qbitcoin.live/security/index.md) · [QBitcoin home](https://qbitcoin.live/index.md)