Calculate requests per second.
Cache Hit Rate Calculator
Quick answer
If cache hits are 9,200 and cache misses are 800, the cache hit rate is 92%.
Enter your values
Cache Hit Rate
92%
The share of requests that were served from cache instead of hitting the original source.
High
Cache Hit Rate: 92%, High. Scale from 0 to 100 with 3 bands: Low 0 to 33.3333, Moderate 33.3333 to 66.6667, High 66.6667 to 100.
High
Your Cache Hit Rate of 92% falls in the “High” band. That is a little past the comfortable zone, so keep an eye on it.
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See how the result changes
Each table re-runs this calculator with one value changed and everything else left as it is.
Cache Hit Rate by cache hits
If cache hits goes from 9,200 to 13,800, cache hit rate changes from 92% to 94.521% (+2.7%).
| Cache hits | Cache Hit Rate |
|---|---|
| 4,600 | 85.185% |
| 6,900 | 89.61% |
| 9,200start | 92% |
| 13,800 | 94.521% |
| 18,400 | 95.833% |
Cache Hit Rate by cache misses
If cache misses goes from 800 to 1,200, cache hit rate changes from 92% to 88.462% (−3.8%).
| Cache misses | Cache Hit Rate |
|---|---|
| 400 | 95.833% |
| 600 | 93.878% |
| 800start | 92% |
| 1,200 | 88.462% |
| 1,600 | 85.185% |
A quick guide to Cache Hit Rate
Use it to get an accurate cache hit rate in seconds — free, with no sign-up.
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See your cache hit rate the moment you enter your numbers.
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How to Use the Cache Hit Rate Calculator
Enter Cache hits
Provide your cache hits.
Enter Cache misses
Provide your cache misses.
View Your Results
Get your cache hit rate instantly, calculated on our server.
What is Cache Hit Rate?
This developer & networking tool works out your cache hit rate instantly, so you don't have to do the math by hand.
“One quick calculation, so you always know your cache hit rate before you decide.”
What Affects Your Cache Hit Rate
Your cache hit rate depends on the values below.
Cache hits
Changing your cache hits changes your cache hit rate.
Cache misses
Changing your cache misses changes your cache hit rate.
Example Result
Here's what you can expect from a cache hit rate calculation:
- Cache hits
- 9200
- Cache misses
- 800
- Cache Hit Rate
- 92%
Frequently Asked Questions
- How does cache hits affect cache hit rate?
- If cache hits goes from 9,200 to 13,800, cache hit rate changes from 92% to 94.521% (+2.7%).
- How does cache misses affect cache hit rate?
- If cache misses goes from 800 to 1,200, cache hit rate changes from 92% to 88.462% (−3.8%).
- How to calculate cache hit rate?
- Fill in cache hits and cache misses in the Cache Hit Rate Calculator above and your cache hit rate is calculated instantly. Change any value to see how the result responds.
- What does an example cache hit rate calculation look like?
- If cache hits are 9,200 and cache misses are 800, the cache hit rate is 92%.
- 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.
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