technofatty Questions, awkwardly answered.

Questions, awkwardly answered.

Money · Utility calculator

Overdraft True Cost Calculator

Translates the user's actual overdraft usage into a clear annual cost, compares it to alternatives, and shows what the same money could earn in savings.

Instant result Plain-English why Copyable takeaway
Money Instant Result card

Utility calculator

Enter your details and the result updates without making a meal of it.

What this means

If you avoided this overdraft and put the same amount in savings, you'd earn approximately £16.95/year in interest.

Formula used

Daily fee * days + balance * APR * days/365

Worked example

Both model: £1.50 daily, £400 balance, 35% APR, 200 days => £376.71/year.

Common questions

Can I use this internationally?
Yes. Currency selectors are display-only unless a tool explicitly says otherwise; no currency conversion is performed.

How exact is the result?
It follows the published Technofatty formula for this tool, but real life can add fees, rules, timing quirks, and context.

Plain-English summary

My overdraft is costing me £376.71/year.

This section translates the result into a short, direct takeaway rather than leaving the page at a bare number.

Disclaimer: This calculator gives a general estimate only. It is not financial, legal, medical, employment, or professional advice.

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