Data Cap Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter your monthly cap and daily usage.
- Press Calculate.
How it works
Divides your cap by your daily usage to show how many days it lasts, plus a safe daily allowance over 30 days.
Worked example
100 GB cap, 5 GB/day. lasts 20 days.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.