If you are planning to buy a Xiaomi Redmi 9 or have already become its lucky owner, then sooner or later you will face the question: “How many centimeters in this smartphone?” The exact dimensions of the device are important not only for choosing a case or protective glass, but also for understanding how convenient it will fit in the hand or in the pocket. In this article, we will analyze all the dimensional characteristics of the model – from height and width to thickness and diagonal of the screen, and compare them with other popular Xiaomi smartphones.
Redmi 9 (codenamed lancelot) was released in 2020 and quickly gained popularity due to its balanced features and affordable price. But before buying, many users want to understand how compact the phone is or, conversely, is large. For example, for small hands it is important that the smartphone does not slip out when unilaterally held, and for fans of large screens – so that the diagonal does not disappoint. We collected all the official data from the manufacturer and supplemented them with practical tips for choosing accessories.
Official dimensions Xiaomi Redmi 9: height, width, thickness
According to the specifications from Xiaomi, the Redmi 9 smartphone has the following dimensions:
- 📏 Height: 163.3 mm (16.33 cm)
- 📐 Width: 77.0 mm (7.70 cm)
- 📊 Thickness: 9.1 mm (0.91 cm)
- 🖥️ Screen size: 6.53 inches (~16.58 cm)
For clarity, we present these data in a table with a translation into centimeters and a comparison with other models of the Redmi line:
| Model | Height (cm) | Width (cm) | Thickness (cm) | Screen diagonal (inches) |
|---|---|---|---|---|
| Redmi 9 | 16,33 | 7,70 | 0,91 | 6,53 |
| Redmi 9A | 16,49 | 7,71 | 0,90 | 6,53 |
| Redmi 9C | 16,49 | 7,71 | 0,90 | 6,53 |
| Redmi Note 9 | 16,23 | 7,72 | 0,88 | 6,53 |
| Redmi 8 | 15,63 | 7,54 | 0,94 | 6,22 |
As you can see from the table, Redmi 9 It is much larger than its predecessor, Redmi. 8, but thinner than it is 0,03 It is identical in diagonal screen models Redmi. 9A/9C, It's a little bit lower in height. 9, Despite the same diagonal, it was more compact due to the optimization of the frames.
⚠️ Warning: When buying covers or safety glasses, always specify what modifications they are intended for. For example, accessories for Redmi 9 may not be suitable for Redmi. 9A, despite the similar size, due to differences in the location of the cameras or connectors.
How to measure a smartphone yourself: step-by-step instructions
If you already have a Xiaomi Redmi 9, but you doubt its size (for example, when buying a used device), you can measure the dimensions yourself.
Prepare a flat surface (table or smooth floor)
Take a metal ruler or a barbell (more precisely)
Make sure there is no cover on the smartphone
Place the phone upwards to measure height and width-->
1. Height measurement: Place your smartphone on a flat surface with the screen up. Apply the ruler to the top left corner and measure the distance to the bottom right corner. For the Redmi 9, it should be 16.3 cm (an error of ±0.1 cm is acceptable).
2. Width Measurement: Deploy the ruler horizontally and measure the distance between the left and right edges of the case. The official value is 7.7 cm. Please note that the convex cameras on the back panel are not counted in width!
3. Thickness measurement: It is better to use a barbell. Hold the body between the tool sponges (no cover!) and fix the value. Norm is 0.91 cm, but in the area of the chambers the thickness can reach 1.0-1.1 cm.
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If you do not have a bar, use coins: a stack of 5 cents (for 1.5 mm each) will give ~0.75 cm, and 10 cents - ~1.5 cm.
4 Screen Diagonal Check: To make sure the screen is really 6.53 inches, you can use online diagonal calculators or apps like Screen Ruler. Run the program, draw a line from one corner of the screen to the opposite and compare with the declared value (~16.58 cm).
⚠️ Note: If you have a thickness measurement of more than 1.2 cm, you probably have a cover or a protective sticker on your phone.
Comparison with other smartphones: how big is the Redmi 9?
To get a better idea of how compact or oversized the Redmi 9 is, let’s compare it to other popular Xiaomi models and competitors:
- 🆚 VS Redmi Note 9 Pro: 0.1cm higher but 0.02cm thinner, the screens are the same (6.53) but the Note 9 Pro is 20g heavier.
- 🆚 VS Samsung Galaxy A12: Redmi 9 is already 0.3 cm and lower by 0.5 cm, but thicker by 0.1 cm Diagonals coincide.
- 🆚 VS iPhone SE (2020: Redmi 9 1.5 times taller and wider, and screen 1.83 inches bigger.Weight differs by almost 2 times (208g vs 148g).
- 🆚 VS Redmi 8: New Redmi 9 is higher by 0.7 cm and wider by 0.16 cm, but thinner by 0.03 cm The screen rose from 6.22" to 6.53".
The comparison shows that the Redmi 9 is a mid-size smartphone, not as compact as the iPhone SE, but not as bulky as the flagship models with 6.7-6.8 inches. For most users, this size will be optimal: the phone is comfortable to hold with one hand, but the screen is large enough for comfortable watching videos or games.
Choice of covers and accessories: what to look for?
Knowing the exact dimensions of the Redmi 9, you can choose the perfect accessories.
- Case thickness: If you choose a model with enhanced protection (such as the Spigen Tough Armor), the overall thickness of the phone can increase to 1.3-1.5 cm.
- Camera cutout: Redmi 9 has a camera module in the center of the upper body.Covers with the wrong cutout can overlap lenses or flash.
- Material: Silicone cases add a minimum thickness (~0.2 cm), but books or cases with a cardholder - up to 0.5 cm.
Examples of compatible accessories:
- 🛡️ Xiaomi Original Silicone Case, Ringke Fusion-X, Spigen Liquid Air.
- 🔒 Security windows: Specify that the glass must be for the 6.53′′ screen with a cutout for the front camera.
- 🔋 Power Bank: For Redmi 9 (bag capacity 5020 mAh) suitable power banks from 10 000 mAh, for example, Xiaomi Mi Power Bank 3 Pro.
How do I check if the cover is suitable?
Ergonomics: Is it convenient to hold the Redmi 9 in your hand?
The size of the smartphone directly affects usability. Let's take a look at how ergonomic the Redmi 9 is:
- 🤲 One hand: With a width of 7.7 cm, you can reach the opposite edge of the screen with your thumb, but with a stretch. Users with small palms (less than 18 cm in a swing) may need to intercept.
- 👍 Two hands: Ideal - the phone falls in the hand naturally, and the weight (198 g) does not tire with prolonged use.
- 📱 Button location: The power and volume buttons are on the right side, which is convenient for right-handers. Left-handers may need time to adjust.
The rule of thumb is a good way to test ergonomics: if you can comfortably reach the top left corner of the screen without moving your phone in your palm, the size is right for you. In the case of Redmi 9, about 70% of users manage this (according to surveys on the Mi Community forums).
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The Redmi 9 is suitable for most users, but small hands owners should consider models with a diagonal of up to 6.2 inches (for example, the Redmi 8 or the POCO X3 NFC).
Frequent questions about the size of the Redmi 9
We have collected the most popular user questions about the dimensions of Xiaomi Redmi 9 and gave them detailed answers.
❓ Does Redmi 9 fit into your jeans pocket?
❓ Can I use the Redmi covers? 9A Redmi 9?
❓ Why some sources indicate different sizes?
❓ How long does the cable need to charge the Redmi 9?
Next Next post: Should you choose Redmi 9 in size?
Xiaomi Redmi 9 is a balanced smartphone with dimensions that will suit most users. It is not too big for everyday use, but not too cramped for multimedia. If you are looking for a device with a 6.5-inch screen that sits comfortably in your hand and does not fall out of your pocket, this model will be a great choice.
However, before buying, consider:
- 🔹 If you have small hands, try holding your phone in the store or pick a 6.2 model (e.g. Redmi 8).
- 🔹 Fans of ultracompact smartphones should look at the iPhone 12 mini or POCO X3 NFC (but the last one is thicker).
- 🔹 For covers and accessories, always check compatibility with the model. M2004J19C (Redmi 9 article).
Overall, the Redmi 9 is the gold standard among budget smartphones in terms of size, price and functionality, and if you’re still in doubt, use our comparison or visit an offline store to evaluate the ergonomics in person.