How to use the Phone Plan Cost per GB Calculator
Fill in the fields on the left. Results, charts and the breakdown update instantly as you type or move a slider. Pick your country at the top of the page to switch currency.
Formula
Cost per GB = price ÷ data
Cost per 30 days = price ÷ validity days × 30
Frequently asked questions
Is the cheapest per-GB plan always best?
Only if you use the data. If you'd leave half unused, a smaller plan with a higher per-GB cost can be cheaper overall.
Results are estimates for information only and are not financial, tax or legal advice. Tax rules, interest rates and fees change, so confirm important numbers with your bank, employer or a qualified adviser. Read our disclaimer.