Since 1 British Pound is equal to 3.69060991177 Tunisian Dinars, we could say that n British Pounds are equal to 3.69060991177 times n Tunisian Dinars. In other words, we could use the following formula:
Tunisian Dinars = British Pounds x 3.69060991177
For example, let's say that we want to convert 2 British Pounds to Tunisian Dinars. Then, we just replace British Pounds in the abovementioned formula with 2:
Tunisian Dinars = 2 x 3.69060991177
That is, 2 British Pounds are equal to 7.38121982354 Tunisian Dinars.