Martin Lewis has warned holidaymakers to never convert local currency back to pounds at ATMs while abroad.<br /><br />Speaking on ITV, the MoneySavingExpert urged Britons to always take out cash or pay with a card in the local currency, rather than letting an ATM or card machine convert it.<br /><br />“It says ‘markup 4.5 per cent’, so they are adding a 4.5 per cent load on top of the exchange rate,” Mr Lewis said, standing at a cash point in Europe.<br /><br />“You do not want this machine to do the conversion for you. You want your card company at home to do the conversion because, even if it’s not a good card, it’s a better rate.”