Since 1 Tunisian Dinar is equal to 0.248859248859 Jordanian Dinars, we could say that n Tunisian Dinars are equal to 0.248859248859 times n Jordanian Dinars. In other words, we could use the following formula:
Jordanian Dinars = Tunisian Dinars x 0.248859248859
For example, let's say that we want to convert 2 Tunisian Dinars to Jordanian Dinars. Then, we just replace Tunisian Dinars in the abovementioned formula with 2:
Jordanian Dinars = 2 x 0.248859248859
That is, 2 Tunisian Dinars are equal to 0.497718497718 Jordanian Dinars.