19 Best Free Online SLA Uptime Calculator Websites

Here is a list of best free online SLA uptime calculator websites. SLA uptime or Service Level Agreement uptime is the operational time of a service guaranteed by a service provider. In simple terms, SLA is a contract between the service provider and the customer. By using the guaranteed SLA uptime percentage value provided by a service provider, users can calculate the actual uptime and downtime duration. If you also want to calculate the SLA uptime duration, then check out these online SLA uptime calculator websites.

Using these websites, users can find out daily, weekly, monthly, and quarterly uptime and downtime duration values. Most of these websites only calculate the downtime duration that can be used to find out the actual uptime duration. Some of these websites also let users find out the SLA uptime percentage using the available downtime duration values. To help out users, I have also included the necessary SLA uptime calculation process in the description of each website.

These websites also come with additional online tools like Check Website OS, Flexible Downtime Calculator, SLA Breach Calculator, SL Credit Calculator, etc. Go through the list to know more about these websites.

My Favorite Online SLA Uptime Calculator Website:

iplocation.io is my favorite website as it can calculate both the uptime percentage and downtime duration values. It also answers various queries related to SLA uptime calculation.

You can also check out lists of best free Online BIN Checker, Online APY Calculator, and Online Percentile Calculator websites.

Comparison Table:

Features/Website Names	Can calculate uptime percentage using downtime duration	Directly calculates uptime duration	Can calculate downtime duration
iplocation.io	✓	x	✓
websitesetup.org	x	✓	✓
uptime.is	x	x	✓
slatools.com	x	x	✓
site24*7.com	x	x	✓
xarg.org	x	x	✓
omnicalculator.com	✓	x	✓
hyperping.io	x	x	✓
availability.sre.xyz	x	x	✓
atatus.com	x	x	✓
uptrends.com	✓	x	✓
iozoom.com	✓	x	x
iptp.net	✓	x	✓
tryhexadecimal.com	x	x	✓
cheapandbesthosting.com	x	x	✓
whatainfo.in	x	x	✓
aksakalli.github.io	x	x	✓
upzilla.co	x	x	✓
mybestwebsitebuilder.com	x	x	✓

iplocation.io

iplocation.io is a free online SLA uptime calculator website. Using this website, users can quickly calculate the SLA uptime using the known download duration per day, per week, per month, or per year. After the calculation, it shows the SLA uptime in percentage. It also offers an SLA downtime calculator that uses uptime percentage values to find out the duration of downtime per day, per week, per month, or per year.

This website also answers common questions related to SLA uptime like what is Uptime, How to use SLA uptime calculator, what are the leading causes for downtime. Now, follow the below steps.

How to calculate SLA uptime online using iplocation.io:

• Start this website and go to the Time to Percentage section.
• Now, enter the daily downtime, weekly downtime, monthly downtime, or yearly downtime value.
• Next, view the calculated SLA uptime value in percentage that you can copy to the clipboard.

Additional Features:

• This website also comes with additional online tools like Check Website OS, Schema Markup Generator, Reverse String, IDN Encode Decode, Base64 to Image, and more.

Final Thoughts:

It is one of the best free online SLA uptime calculator websites that can calculate both SLA uptime percentage and downtime duration values.

websitesetup.org

websitesetup.org is a free online SLA uptime calculator website. It is another good website to calculate both SLA uptime and downtime duration’s. The simple version of this calculator calculates the daily, weekly, monthly, and yearly downtime values using the input uptime percentage. On the other hand, its Advanced calculator calculates the total uptime duration using the same input uptime percentage value. Now, follow the below steps.

How to calculate SLA uptime online using websitesetup.org:

• Start this website using the given link.
• After that, enter the uptime values in simple and advanced sections.
• Next, click on the calculate button to view the calculated uptime and downtime duration values.

Additional Features:

• This website also comes with additional online web hosting, website building, logo making, email marketing, etc., online tools.

Final Thoughts:

It is another capable online SLA uptime calculator website that anyone can use to calculate SLA uptime and downtime values.

uptime.is

uptime.is is another free online SLA Uptime calculator website. Through this website, users can calculate the SLA uptime duration based on the SLA uptime provided by a service provider in percentage. Based on the SLA uptime percentage, this website calculates and shows the daily, weekly, monthly, quarterly, and yearly uptime duration. Now, follow the below steps.

How to calculate SLA uptime online using uptime.is:

• Go to this website using the given link.
• After that, enter the estimated SLA uptime level in percentage.
• Next, view the calculated uptime duration that users can copy.

Additional Feature:

• This website also offers a flexible downtime calculator.
• It also offers a tool to monitor uptime and downtime based on customer monitoring periods.

Final Thoughts:

It is a simple online SLA uptime calculator website that anyone can use to find out the total SLA uptime duration based on the uptime percentage value.

slatools.com

slatools.com is a free online SLA uptime calculator website. This website allows users to calculate the SLA uptime duration using the known SLA uptime percentage. After the calculation, it shows for how long a service will not be available in a day, week, month, and year. Besides this, it also offers a brief description of this SLA uptime calculator. Now, follow the below steps.

How to calculate SLA uptime calculator online using slatools.com:

• Start this website and access the SLA Uptime Calculator.
• After that, enter the SLA uptime calculator.
• Now, click on the Calculate button to view the SLA uptime duration.

Additional Features:

• This website also comes with additional online calculators namely Incident & SLA Breach Calculator and SLA Credit Calculator.

Final Thoughts:

It is one of the simplest online SLA uptime calculator websites that anyone can use to find out the SLA uptime duration using the SLA uptime percentage.

site24*7.com

site24*7.com is another good online SLA uptime calculator website. This website comes with a simple SLA uptime calculator that uses the known SLA uptime value in percentage to perform the calculation. Unlike its name, it actually calculates the exact downtime duration based on the SLA uptime percentage. The obtained downtime value helps users estimate the SLA uptime duration. Now, follow the below steps.

How to calculate SLA uptime duration online using site27*7.com:

• Start this website and go to the SLA Uptime Calculator section.
• Now, enter the SLA uptime percentage.
• Next, click on the Calculate Downtime button to view the exact duration for which service will be unavailable.

Additional Features:

• This website also comes with additional online Domain Tools, DNS Tools, Sysadmin Tools, Formatter Tools, Status Tools, etc.

Final Thoughts:

It is another simple online SLA uptime calculator that anyone can use with ease.

xarg.org

xarg.org is a free online open-source SLA uptime calculator website. This website offers a simple SLA uptime calculator that helps users find out the duration a service will be up/ down based on its SLA uptime percentage. After the calculation, it shows the downtime duration in a day, week, month, and year. By using the downtime duration, users can calculate the exact service uptime. Now, follow the below steps.

How to calculate SLA uptime online using xarg.org:

• Start this website using the given link.
• After that, enter the SLA Percentage in the input section.
• Now, click on the Calculate button to view the calculated downtime duration’s.

Additional Features:

• This website also comes with additional online tools like Caesar Cipher Encryption, Voltage Divider Calculator, CIDR Subnet Calculator, SLA Uptime Calculator, ISBN to BibTex Converter, and more.

Final Thoughts:

It is another good online SLA uptime calculator that helps users find out both the downtime and uptime duration of a service.

omnicalculator.com

omnicalculator.com is another free online SLA uptime calculator website. This website not only calculates the uptime duration but also explains what is uptime. It also highlights the process to calculate uptime with added examples. Besides SLA uptime, it can also be used to calculate downtime duration. To calculate the uptime percentage, users need to specify the downtime duration. On the other hand, users need to input the SLA uptime percentage to calculate the exact daily downtime, weekly downtime, monthly downtime, and yearly downtime durations. Now, follow the below steps.

How to calculate SLA uptime online using omnicalculator.com:

• Start this website using the given link.
• After that, enter the total downtime duration to get the SLA uptime percentage.
• Now, to calculate the total downtime duration, submit the uptime percentage.

Additional Features:

• This website also comes with additional online calculators such as Bandwidth Calculator, Data Transfer Calculator, Baud Rate Calculator, etc.
• This website also covers online calculators associated with Physics, Maths, Biology, Construction, Sports, etc., fields.

Final Thoughts:

It is another good online SLA uptime calculator website that anyone can use to calculate the SLA uptime percentage and downtime duration.

hyperping.io

hyperping.io is another free online SLA uptime calculator website. Through this website, users can perform both SLA uptime and downtime calculations. Besides this, it also answers common questions related to SLA uptime like what is uptime, what is SLA, how to prevent downtime, etc.

To perform the calculation, it needs the uptime percentage. After the calculation, it shows daily, weekly, monthly, quarterly, and yearly downtime duration values. Now, follow the below steps.

How to calculate SLA uptime online using hyperping.io:

• Visit this website and access the SLA uptime and downtime calculator.
• After that, enter the known uptime percentage value.
• Next, click on the Calculate downtime button to start the calculation process.
• Lastly, view the exact downtime duration.

Additional Features:

• This website also comes with additional online tools like SLA Calculator, Badge Builder, SSL Monitoring, and more.

Final Thoughts:

It is another capable online SLA uptime calculator that uses uptime percentage to calculate the service downtime duration.

availability.sre.xyz

availability.sre.xyz is another free online SLA uptime calculator website. This website offers an availability calculator that can also be used as an SLA uptime calculator. Like other similar websites, it also needs availability percentage value as input to calculate the downtime duration of a service per year, quarter, month, week, day, and hour. It also offers a cheat sheet table highlighting service availability percentages and downtime durations. Now, follow the below steps.

How to calculate SLA uptime online using availability.sre.xyz:

• Launch this website using the given link.
• After that, access the Availability Percentage calculator.
• Now, enter the SLA percentage value.
• Finally, click on the Calculate button to view downtime duration.

Additional Features:

• This website also comes with site reliability engineering resources, calculus of service availability, service levels, and error budgets.

Final Thoughts:

It is another good online SLA uptime calculator website that anyone can use without hassle.

atatus.com

atatus.com is another free online SLA uptime calculator website. This website comes with an SLA & Downtime calculator that helps users indirectly find out the uptime duration. To start the calculation, it needs an SLA uptime percentage value. After the calculation, it shows the downtime duration in a yearly, monthly, weekly, and daily format. It also answers common queries related to SLA uptime and downtime like what is SLA, what is SLA uptime, what is SLA uptime calculator, etc. Now, follow the below steps.

How to calculate SLA uptime online using atatus.com:

• Open the interface of this website and access this calculator.
• After that, enter the uptime percentage.
• Next, click on the Calculate button to view the downtime duration.

Additional Features:

• This website also offers additional online products like Application Monitoring, Infrastructure Monitoring, Real User Monitoring, Logs Monitoring, and more.

Final Thoughts:

It is another simple online SLA uptime calculator website that anyone can use to calculate the SLA uptime and downtime duration values.

uptrends.com

uptrends.com is another free online SLA uptime calculator website. This website can calculate the maximum allowed downtime for a promised uptime percentage by a service provider. It also offers a Downtime to Percentage calculator that uses the downtime duration values to calculate the SLA uptime percentage. Now, follow the below steps.

How to calculate SLA uptime online using uptrends.com:

• Launch this website and open up the Free SLA & Uptime Calculator.
• After that, select the Downtime to Percentage calculator and enter the service downtime duration.
• Next, view the calculated SLA uptime percentage value.
• Now, use the Percentage to Downtime calculator to find downtime duration values using the SLA uptime percentage values.

Additional Features;

• This website also offers additional free online tools like Website Speed test, Mobile Website Speed, CDN Performance Check, Free Website Monitoring, Ping Test, etc.

Final Thoughts:

It is another capable online SLA uptime calculator that can calculate both SLA uptime percentage and downtime duration values.

iozoom.com

iozoom.com is a free online SLA uptime calculator website. This website helps users calculate the service, servers, and website availability and uptime percentage. To start the calculation, users can enter daily, weekly, monthly, or yearly downtime duration in minutes and seconds. This website also answers common queries related to SLA Uptime and Downtime topics. Now, check out the below steps.

How to calculate SLA uptime online using iozoom.com:

• Open the interface of this website and access the Uptime Calculator.
• After that, select the Daily, Weekly, Monthly, or  Yearly option.
• Next, enter the downtime duration in the minutes and seconds format.
• Finally, click on the Calculate button to view the uptime percentage.

Additional Features:

• Like other similar websites, it also offers some additional services tools like Windows VPS Hosting, WordPress VPS, Dedicated Servers, WordPress Hosting, etc.

Final Thoughts:

It is a simple and effective online SLA uptime calculator that can calculate the uptime percentage using the known downtime duration.

iptp.net

iptp.net is another free online SLA uptime calculator website. Using this website, users can calculate the SLA uptime percentage and total downtime duration of service. To calculate daily, weekly, monthly, quarterly, and yearly uptime percentages, only requires service downtime duration in minutes and seconds format. On the other hand, it requires uptime percentage as input to calculate the downtime duration. Now, follow the below steps.

How to calculate SLA uptime online using iptp.net:

• Start this website using the provided link.
• After that, go to the By Downtime section.
• Now, enter the  Downtime duration value.
• Finally, view the calculated uptime percentage.

Additional Features:

• Network: It offers online network tools like IP Transit, Remote DIA, Virtual PoP, Network Map, Jumbo Internet Exchange, etc.
• Business Solutions: It contains some handy tools like Security Services, IP Telephony, Remote Office, Video Surveillance, etc.
• IPTP Tools: It also contains some useful IPTP tools like bandwidth Test, best Path, IP Subnet Calculator, Looking Glass, etc.

Final Thoughts:

Through this SLA uptime calculator, users can find out the SLA uptime percentage and total downtime duration.

tryhexadecimal.com

tryhexadecimal.com is another free online SLA uptime calculator website. This website mainly calculates the SLA downtime duration. Users can use the obtained downtime duration to estimate the uptime duration. To perform the calculation, users need to enter the target uptime in percentage. After the calculation, it shows daily, weekly, monthly, quarterly, and yearly allowed downtime values. Now, follow the below steps.

How to calculate SLA uptime online using tryhexadecimal.com:

• Start this website using the given link.
• After that, enter the target uptime value in percentage.
• Now, let this website perform the calculation after which you can view the allowed downtime duration values.
• Finally, use the downtime duration value to estimate the SLA uptime duration.

Additional Features;

• This website also offers uptime monitoring and downtime resolving tools.

Final Thoughts:

It is another good online SLA uptime calculator website that anyone can use without hassle.

cheapandbesthosting.com

cheapandbesthosting.com is another free online SLA uptime calculator website. It is another simple SPA uptime calculator that uses SLA uptime percentage to find out the total yearly, monthly, weekly, and daily downtime duration. The obtained downtime values also help users to estimate the service uptime duration. It also offers brief information explaining both uptime and downtime terms. Now, check out the below steps.

How to calculate SLA uptime online using cheapandbesthosting.com:

• Launch this website and access the Uptime Calculator.
• After that, enter the promised uptime percentage by a service provider.
• Next, click on the Calculate button to start the calculation process.
• Finally, view the total downtime duration.

Additional Features:

• As its name implies, it also offers hosting solutions and deals for bloggers and digital marketers.

Final Thoughts:

It is one of the simplest online SLA uptime calculator websites that allow users to find out service downtime and uptime values.

whatainfo.in

whatainfo.in is a free online SLA uptime calculator website. Through this website, users can indirectly calculate the uptime duration as it mainly calculates the downtime duration. To perform the calculation, it needs SLA uptime value in percentage. After the calculation, it shows hourly, daily, weekly, monthly, and yearly downtime duration values. Using the obtained downtime duration, users can obtain the uptime duration. Now, follow the below steps.

How to calculate SLA uptime online using whatainfo.in:

• Start this website and access the SLA Uptime Calculator.
• After that, enter the uptime value in percentage.
• Now, view the calculated downtime values that can be converted to uptime values.

Additional Features;

• This website also answers common questions related to SLA uptime like What is Uptime, benefits of good uptime, why uptime is important, etc.

Final Thoughts:

It is another standard online SLA uptime calculator that helps users find out the SLA uptime and downtime durations.

aksakalli.github.io

aksakalli.github.io is another free online SLA uptime calculator website. This website comes with a dedicated Uptime calculator that uses an uptime percentage value to determine the daily downtime, weekly downtime, monthly downtime, and yearly downtime duration. Downtime duration also helps users find out the total uptime duration. Now, follow the below steps.

How to calculate SLA uptime online using aksakalli.github.io:

• Launch this website and enter the uptime percentage value.
• Next, view the calculated daily, weekly, monthly, and yearly downtime duration.
• Finally, use the downtime duration to estimate the uptime duration value.

Final Thoughts:

It is one of the simplest online SLA uptime calculator websites that anyone can use with ease.

upzilla.co

upzilla.co is another free online SLA uptime calculator website. This website comes with multiple online tools one of which is an SLA & Uptime Calculator. Similar to most other similar websites, it uses the uptime percentage to calculate the total daily, weekly, monthly, and yearly downtime values. It also explains how this SLA uptime calculator works to help out users. Now, check out the below steps.

How to calculate SLA uptime using upzilla.co:

• Start this website and open up the SLA & Uptime calculator tool.
• Now, enter the uptime percentage value in the input field.
• Next, view the calculated downtime values that can be converted to uptime values.

Additional Features:

• This website offers a good set of free online tools like What is My IP, Ping Test, Trace Route, Website Performance, DNS Report, Domain Health, SSL validation, Website Visibility, Speed test, and more.

Final Thoughts:

It is another good online SLA uptime calculator website that also offers a good set of free online tools.

mybestwebsitebuilder.com

mybestwebsitebuilder.com is a free online website builder website that also comes with an online SLA uptime calculator tool. This tool uses the SLA uptime percentage value as input to find the total downtime duration per day, per week, per month, and per year. It also answers queries related to SLA uptime calculation like what is uptime, what is downtime, why is uptime important, etc. Now, follow the below steps.

How to calculate SLA uptime online using mybestwebsitebuilder.com:

• Start this website and access The Ultimate Uptime Calculator tool.
• Next, enter the uptime percentage value in the Expected uptime field.
• Finally, view the calculated downtime values.

Additional Features:

• This website offers multiple website builder plans like eCommerce website builder, website builder for musicians, website builder for photographers, church website builder, etc.

Final Thoughts:

It is another capable website builder website that anyone can use without hassle.

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