Skip to content
Norynt

Calculators

How long will it take to send this?

Upload Time Calculator

You need to send something big and want to know how long it will take.

Is this happening to you?

  • A phone backup has been running for hours.
  • A video needs to be sent before a deadline.
  • Sending files feels far slower than receiving them.

Enter a file size and your upload speed to see how long sending it takes.

Start here

Does this sound familiar?

Three ordinary evenings that end up on this page.

  • A video has to reach a client by five.

    The progress bar has barely moved in an hour.

    Know the real waiting time before you promise one.

  • You back up a phone full of photos.

    It is still running the next morning.

    See whether that is normal for your connection.

  • You start a big upload before a meeting.

    Your camera freezes for everyone on the call.

    Plan the transfer around the things that matter.

Can this help me?

Yes, if you know the size of what you are sending and your sending speed.

Why would I use this?
Upload speed is usually much lower than download speed.
When should I use this?
Use it before a cloud backup, a video upload or a large email.
What will I learn?
You learn how long your connection needs to send a file.

What it will not tell you: It cannot speed the transfer up, and it cannot promise an exact time.

Start here

The size you plan to send.

Use your measured upload speed.

Result

About 16 minutes

This is an estimate under similar conditions. We assume a transfer reaches 85 percent of the measured speed.

What does this mean for me?

Here is how to read the numbers you get back.

  • The result is how long sending should take under similar conditions.
  • Sending is usually much slower than receiving on a home connection.
  • While it runs, everyone else in the home may notice slower replies.

Everyday use

Sizes and speeds are easier to judge with a familiar example.

  • A full phone backup · 64 GB

    A phone backup can be tens of gigabytes on the first run.

  • A wedding video · 10 GB

    One long video in high quality is often about 10 GB.

  • Holiday photos · 5 GB

    Photo uploads run in the background and can last a while.

What should I do?

  1. Send very large files overnight where you can.
  2. Pause the transfer before an important call.
  3. Measure your sending speed first, so the estimate matches reality.

What happens if I ignore this?

If you do nothing, long transfers keep running at the worst possible time.

Check if this is the problem

Run a self-check when you want to test one change at a time.

Check this yourself

Common questions

Why is my upload so much slower than my download?
Many home connections are designed to receive more than they send.
Does uploading affect the rest of my home?
It can. A full upload often raises response time for everyone.

Learn more

These articles explain the idea behind this tool.

Technical details

The words behind the numbers, in case you want them. You do not need any of this to use the tool.

Upload
Data leaving your home, such as a backup or your camera on a call.
Asymmetric connection
A connection built to receive far more than it sends.

What you enter

  • File size (GB) — The size you plan to send.
  • Upload speed (Mbps) — Use your measured upload speed.

What you get back

  • Estimated time — A rounded waiting time.

Norynt writes its own explanations. External documentation is listed only so you can verify what you read here.

Technical references

The information in this article is based on publicly available technical documentation and networking research. You do not need to read any of it to understand the article.

Measurement Lab(1)

The open measurement platform Norynt runs its speed tests on.