Calculate storage growth.
StorageOpen
Compression Ratio Calculator
Quick answer
If original size is 5,000 and compressed size is 1,800, the compression ratio is 2.778 x.
Enter your values
Compression Ratio
2.778x
How much smaller the compressed version is compared with the original — a higher ratio means more space saved.
More in Storage
All Developer & Networking calculatorsCalculate aspect ratio decimal.
ImagesOpenCalculate download time.
BandwidthOpenCalculate upload time.
BandwidthOpenCalculate video file size.
MediaOpenCalculate image megapixels.
ImagesOpen
See how the result changes
Each table re-runs this calculator with one value changed and everything else left as it is.
Compression Ratio by original size
If original size goes from 5,000 to 7,500, compression ratio changes from 2.778 x to 4.167 x (+50%).
| Original size | Compression Ratio |
|---|---|
| 2,500 | 1.389 x |
| 3,750 | 2.083 x |
| 5,000start | 2.778 x |
| 7,500 | 4.167 x |
| 10,000 | 5.556 x |
Compression Ratio by compressed size
If compressed size goes from 1,800 to 2,700, compression ratio changes from 2.778 x to 1.852 x (−33%).
| Compressed size | Compression Ratio |
|---|---|
| 900 | 5.556 x |
| 1,350 | 3.704 x |
| 1,800start | 2.778 x |
| 2,700 | 1.852 x |
| 3,600 | 1.389 x |
DEVELOPER & NETWORKING GUIDE
A quick guide to Compression Ratio
Use it to get an accurate compression ratio in seconds — free, with no sign-up.
Instant results
See your compression ratio the moment you enter your numbers.
Free, no sign-up
Every calculator here is free to use, with no account required.
Accurate & transparent
The same standard formula runs on our server for every calculation.
How to Use the Compression Ratio Calculator
1
Enter Original size
Provide your original size.
2
Enter Compressed size
Provide your compressed size.
3
View Your Results
Get your compression ratio instantly, calculated on our server.
What is Compression Ratio?
This developer & networking tool works out your compression ratio instantly, so you don't have to do the math by hand.
“One quick calculation, so you always know your compression ratio before you decide.”
What Affects Your Compression Ratio
Your compression ratio depends on the values below.
Original size
Changing your original size changes your compression ratio.
Compressed size
Changing your compressed size changes your compression ratio.
Example Result
Here's what you can expect from a compression ratio calculation:
- Original size
- 5000
- Compressed size
- 1800
- Compression Ratio
- 2.778 x
Frequently Asked Questions
- How does original size affect compression ratio?
- If original size goes from 5,000 to 7,500, compression ratio changes from 2.778 x to 4.167 x (+50%).
- How does compressed size affect compression ratio?
- If compressed size goes from 1,800 to 2,700, compression ratio changes from 2.778 x to 1.852 x (−33%).
- How to calculate compression ratio?
- Fill in original size and compressed size in the Compression Ratio Calculator above and your compression ratio is calculated instantly. Change any value to see how the result responds.
- What does an example compression ratio calculation look like?
- If original size is 5,000 and compressed size is 1,800, the compression ratio is 2.778 x.
- Is this calculator free to use?
- Yes — every calculator on this site is completely free, with no sign-up or account required.
- How accurate is this calculator?
- It uses the standard formula and calculates on our server for every request, so results are precise for the values you enter.
- Is my data saved anywhere?
- No. Nothing you enter is stored or sent anywhere unless you choose to share a link with your values included.
Customize this calculator
Pick a look, copy the code, and this Compression Ratio calculator — with its inputs and results — runs on your own website.
Theme color
Match your brand's colors
Corner style
Sharp, soft or fully rounded
Widget width
Compact, standard or full width
Live preview
Full widthThe same inputs, result and chart as the calculator above, styled with your choices.
yoursite.com