When it comes to scuba diving, safety comes first. One of the most critical instruments for securing your safety underwater is a dive computer. These devices provide real-time information about your dive, including depth, time, decompression limits, and more. Choosing the right dive computer is crucial for a safe and enjoyable diving experience. This step-by-step tutorial will help you through the process of selecting the best dive computers.

Step 1: Determine Your Diving Needs

The first step in finding the perfect dive computer is to assess your diving needs. Consider your experience level, the diving you plan to do, and your budget. Are you a beginner or an experienced diver? Will you primarily dive in warm tropical waters or explore deep, cold wrecks? Understanding your individual needs can assist you in narrowing down your selections.

Step 2: Decide On A Style

Dive computers come in various styles, including wrist-mounted, console-mounted, and watch-style. Wrist-mounted computers are the most popular, offering ease of use and readability. Console-mounted computers are attached to your pressure gauge, providing a comprehensive dive console setup. Watch-style computers are versatile, as they can be worn in and out of the water. Select a style that corresponds to your particular tastes and driving patterns.

Step 3: Consider The Display

The display is a crucial aspect of any dive computer. Look for a display that is easy to read in various lighting conditions and provides a clear view of your dive data. Some computers offer colour displays, while others have monochrome screens. Consider if you want a larger or smaller display and whether you want an illuminated screen for night dives.

Step 4: Assess Dive Computer Features

Different dive computers come with varying features and capabilities. Some essential features to consider include:

A. Nitrox Compatibility: If you plan to dive with nitrox, ensure the computer supports it.

b. Algorithm: Dive computers use algorithms to calculate decompression limits. Research and compare the algorithms used by different models to find one that aligns with your diving style.

C. Audible And Visual Alarms: Look for a dive computer that provides alarms for critical dive parameters, such as depth, time, and ascent rate.

D. Dive Log And Connectivity: Some diving computers have dive logs as well as the ability to link to a computer or smartphone for data transmission and analysis.

E. Battery Life: Consider the battery life of the dive computer and whether it uses user-replaceable or rechargeable batteries.

F. Compass: A built-in compass can be a handy feature for navigation underwater.

Step 5: Read Reviews And Seek Recommendations

Once you have a list of dive computers that meet your criteria, it’s time to do some research. Read online reviews, watch video demonstrations, and seek recommendations from fellow divers or instructors. Consider user experiences and any common issues or praises for each model. This stage will give useful information on the performance and dependability of the dive computers on your shortlist.

Step 6: Try Before You Buy

If possible, try out the dive computers you’re considering. Visit a dive shop or attend dive shows where you can handle the devices and interact with their interfaces. This hands-on experience will give you a better feel for the ergonomics and usability of each computer.

Step 7: Compare Prices

Prices from various merchants and internet businesses should be compared. Keep in mind that the pricing may vary depending on the model’s features and optional extras. Make sure you’re getting the most bang for your buck.

Step 8: Consult With A Dive Professional

Consult a diving instructor or experienced diver if you are unsure. Based on their expertise and experience, they may provide important guidance. They may also be familiar with specialised dive computers that are well-suited to your diving demands.


Choosing the perfect dive computer is a crucial decision for any scuba diver. You can make an informed choice by following this step-by-step guide and considering your specific diving requirements. Remember that safety should always come first, and investing in a dependable dive computer is an important step towards assuring your safety and enjoyment while exploring the underwater environment. Take your time and do your research to obtain the best dive computer for your needs and to improve your diving experience.