SIM only Calculator
See how much you will save with a SIM-only contract. Use our calculator to work out and compare the cost of your SIM-only deal to a mobile phone contract.

Simply enter the relevant details into the boxes below and the calculations will automatically take place.

If you have a phone already then put in the price you have paid or the price you are going to pay for your desired phone! Decide on the SIM only plan that you want and enter the cost and contract term.

In the next part you can enter the details of an equivalent mobile contract that gives you the same or similar minutes, texts and data. Once all the details are filled you’ll be able see whether you would be saving from the SIM only or from the mobile phone contract.