Clarks Size Calculator

Website Size Calculator

Enter the number of pages, the stored size of each, your monthly visitors, pages per visit and the page weight. The calculator gives the storage, monthly bandwidth and a hosting tier.

  • Website size
  • Bandwidth
  • Hosting tier
Your website

From 1 to 10000000

From 0.01 to 1000

From 0 to 1000000000

From 1 to 100

From 0.01 to 100

Page weight is what a visitor downloads, including images and scripts.

Bandwidth is visitors × pages per visit × page weight. A 150 page site at 2 MB a page needs about 450 MB of storage. With 10,000 visitors a month seeing 3 pages of 2.3 MB, that is about 69 GB of bandwidth.

Website bandwidth chart

3 pages a visit at 2.3 MB. Search for visitors.

Bandwidth by traffic
Visitors a monthBandwidth
1,0006.9 GB
5,00034.5 GB
10,00069.0 GB
50,000345.0 GB
100,000690.0 GB
500,0003450.0 GB
1,000,0006900.0 GB

GB a month.

Visitors and bandwidth

3 pages at 2.3 MB. Slide the visitors.

Storage and bandwidth bars.

How to size a website

Pages to hosting. Step through it.

Pages

Count them.

Put images on a CDN to cut bandwidth and speed up the site.

Shared, static or VPS

Hosting types. Compare them.

Cheap.

Storage10 to 100 GB
TrafficSmall sites
ControlLow

Static hosts with a CDN suit most brochure sites.

Before you choose hosting

Hosting checks. Tick each item.

Tick each item as you go.

Check the host's bandwidth limit and overage fees.

What you get

Website sizing. Each tile explains one result.

Storage

Total.

Bandwidth

Monthly.

Daily

Average.

Weight

Check.

Tier

Hosting.

Heavy pages cost bandwidth and visitors.

Frequently Asked Questions

How much storage does a website need?

Most small sites need under one gigabyte, media heavy sites more.

How do I work out website bandwidth?

Multiply visitors by pages per visit by page weight.

What is a good page weight?

Under about one and a half megabytes loads quickly on phones.

Does a CDN reduce bandwidth?

Yes. It serves cached files and takes load off your host.

How big is the average web page?

About two megabytes on desktop, a bit less on mobile.

Is unlimited bandwidth really unlimited?

Usually not, fair use limits still apply.

Hosting that fits

Know your storage and bandwidth and you pick hosting that never runs out.

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