Uniswap Swap Fees on Base and Arbitrum for UK Users

Uniswap Gas Costs for Swaps in the UK

A typical Uniswap swap on Base costs approximately 150,000 gas units. At current gas prices, this translates to about 0.0000015 ETH or less than £0.01. This is 100-500x cheaper than swapping on Ethereum mainnet, where the same transaction costs £2-15.

Base vs Arbitrum for Uniswap Swaps

Both Base and Arbitrum support Uniswap with similar gas costs. Base may have slightly lower fees during low-activity periods, while Arbitrum offers deeper liquidity for certain token pairs. Use our real-time tracker to compare current fees on both networks before executing your swap.

Optimising Swap Costs in the UK

To minimise swap costs: 1) Compare gas fees on Base vs Arbitrum in real-time, 2) Swap during London early morning hours (2 AM - 6 AM GMT) when global fees are lowest, 3) Consider the swap amount — larger swaps benefit more from lower L2 fees, 4) Use the Slow gas tier if you're not in a hurry, saving 30-50% on gas. HMRC requires GBP-valued records, so use our calculator for accurate reporting.

This tool is for informational purposes only and does not constitute financial advice.