Download Time Calculator
Other
Estimate transfer time from file size and connection speed.
Formula
Seconds = megabytes × 8 / megabits per second
- Use the units shown beside each field.
- Results update automatically whenever you change an input.
- Displayed values use up to four decimal places, or scientific notation for very small or large numbers. Calculations retain full precision.
- Uses decimal MB. Protocol overhead and speed fluctuations are excluded.
Example Calculation
Example inputs
- File size: 1000 MB
- Speed: 100 Mbps
1,000 MB at 100 Mbps takes 80 seconds under ideal conditions.
Frequently asked questions
How do I use this calculator?
Enter file size, speed. The result updates automatically. Use Reset to restore the example values.
What method does it use?
Seconds = megabytes × 8 / megabits per second. Uses decimal MB. Protocol overhead and speed fluctuations are excluded.
Why might a rounded result differ?
The calculation keeps full numeric precision internally, then rounds the displayed result. Rounding intermediate steps by hand can produce a slightly different answer.
Are my inputs saved online?
No. This calculator processes your inputs in your browser. A recently used list stores only calculator names on this device, not your entered values.
Check the assumptions and units before using this result. Read about calculation methods.