What You Can Do
Based on your inputs, our calculator provides an estimated cost breakdown for each Stocks & Shares ISA platform
Enter your invested amount and yearly trading activity to see how fees scale
Set your allocation across shares, ETFs and funds to see the impact on costs
Select your UK and international percentages to factor in FX costs
See platform, dealing and FX fees broken down with estimated clear totals
How It Works
Our calculator applies consistent assumptions across all ISA platforms to provide estimated costs
Platform Fee Modelling
Platform charges are modelled as flat fees, percentage fees, threshold rates or marginal tiers, according to each provider's actual fee structure.
Dealing & FX Costs
Dealing charges applied per trade using your annual trading activity. FX costs apply only to international shares and ETFs where platforms charge fees.
Consistent Assumptions
A single set of assumptions applied to every provider so you can check their respective costs.