iPhone 15 Pro Max

159.9 × 76.7 × 8.25 mm · 6.29 × 3.02 × 0.32 in · 221 g (7.81 oz)

Quick facts

All dimensions come from Apple’s official spec sheet. The depth measurement (8.25 mm) is for the body only; the camera bump adds roughly 3.6 mm, bringing the thickest point to about 11.85 mm. Need these numbers in different units? Use our mm to inches converter or grams to ounces converter.

How big is the iPhone 15 Pro Max?

The iPhone 15 Pro Max is Apple’s largest iPhone in the 15 series. At just under 160 mm tall, it’s about the same length as a US dollar bill (156 mm), though noticeably wider at 76.7 mm compared to the bill’s 66.3 mm. Think of it as a dollar bill that’s been stretched by about a centimeter on each side.

Held in one hand, the phone extends about a centimeter past most people’s palm. The 8.25 mm body is thinner than a standard pencil (about 7 mm for the wood barrel, but the eraser end is thicker). With a case on, expect the total thickness to land between 10 and 13 mm depending on the case style.

Compared to a standard credit card (85.6 × 53.98 mm), the iPhone 15 Pro Max is almost twice as tall and about 42% wider. It sits comfortably in most back jeans pockets but sticks out of smaller front pockets by a few centimeters.

To see how 159.9 mm stacks up against everyday objects, try our visual comparison tool, or browse objects of similar size in our dimensions library.

Dimension breakdown

Length: 159.9 mm (6.29 inches)

At 159.9 mm, this phone is taller than most competing flagships from 2023, though the Samsung Galaxy S24 Ultra edges it out at 162.3 mm. The extra height accommodates the 6.7-inch display, which runs nearly edge to edge with minimal bezels. For a physical comparison, 159.9 mm is about 5.25 dollar bills stacked short-edge to short-edge, or just over half the width of a standard US letter-size sheet of paper (279.4 mm).

Convert: 159.9 mm to inches · 159.9 mm to cm

Width: 76.7 mm (3.02 inches)

At 76.7 mm wide, the phone is almost exactly 3 inches across, close to the width of a standard Post-it note (76 mm). This width is the main factor in one-handed usability; people with smaller hands will find reaching the far side of the screen a stretch. The Galaxy S24 Ultra is slightly wider at 79 mm, while the Google Pixel 8 Pro comes in at 76.5 mm, nearly identical.

Convert: 76.7 mm to inches · 76.7 mm to cm

Depth: 8.25 mm (0.32 inches)

The body thickness of 8.25 mm places it in the middle of the flagship pack. That’s thinner than the iPhone 14 Pro Max (7.85 mm body, but 12.02 mm at the camera bump), because Apple’s move to titanium sides in the 15 Pro series trimmed overall weight without adding bulk. The camera bump on the 15 Pro Max protrudes about 3.6 mm, for a max depth around 11.85 mm. If you’re shopping for a case, check whether the listed case thickness includes the bump or just the body.

Convert: 8.25 mm to inches · 8.25 mm to cm

Weight: 221 grams (7.81 ounces)

At 221 grams, the iPhone 15 Pro Max is about 19 grams lighter than the iPhone 14 Pro Max (240 g), the result of switching from stainless steel to titanium. It’s roughly the weight of a medium-sized apple (the fruit) or a deck of playing cards plus a few coins. The Samsung Galaxy S24 Ultra is slightly heavier at 232 grams. For reference, 221 grams is just under half a pound (0.487 lb).

Convert: 221 g to ounces · 221 g to pounds

Size comparison: iPhone 15 Pro Max vs. similar devices

The iPhone 15 Pro Max sits in the middle of the flagship size range, a few millimeters shorter than the Galaxy S24 Ultra and Pixel 8 Pro, but about 12 mm taller and 5 mm wider than the standard iPhone 15. See all of these side by side in our visual comparison tool.

Why these dimensions matter

Choosing a case or screen protector

Cases are model-specific because even 1 to 2 mm differences in length or camera bump placement mean a case designed for the iPhone 14 Pro Max won’t fit the 15 Pro Max properly. When shopping, match all three body dimensions (159.9 × 76.7 × 8.25 mm) and confirm the case accounts for the camera bump. Screen protectors need to match the 6.7-inch display and the Dynamic Island cutout at the top.

Pocket and bag fit

At 159.9 mm tall, the phone fits most adult pants pockets but may peek out of smaller front pockets. Jacket breast pockets typically need to be at least 170 mm deep to hold it securely. For crossbody phone bags, look for an interior width of at least 80 mm and a height of at least 165 mm to allow easy removal.

Car mounts and holders

Most universal car mounts accommodate phones up to 85 mm wide, so the 76.7 mm width fits without issue. Check that the mount’s clamp depth can handle 8.25 mm (or more with a case, typically 10 to 13 mm). MagSafe-compatible mounts skip the width issue entirely.

One-handed use

Apple’s own research suggests comfortable one-handed use tops out around 72 mm wide. At 76.7 mm, the Pro Max exceeds that by about 5 mm. If one-handed use matters to you, consider the standard iPhone 15 (71.6 mm) or the iPhone 15 Pro (71.5 mm). Apple’s Reachability feature (swipe down on the bottom edge) helps with the height by pulling the top of the screen halfway down.

Frequently asked questions

What are the exact dimensions of the iPhone 15 Pro Max?

159.9 mm long × 76.7 mm wide × 8.25 mm deep (6.29 × 3.02 × 0.32 inches). Weight is 221 grams (7.81 ounces). These are Apple’s official body-only measurements. The camera bump adds about 3.6 mm to the depth.

How big is the iPhone 15 Pro Max screen?

The screen is 6.7 inches measured diagonally, using a Super Retina XDR OLED panel at 2796 × 1290 pixels (460 ppi). It supports ProMotion with adaptive refresh rates up to 120 Hz and peaks at 2,000 nits brightness outdoors.

Is the iPhone 15 Pro Max bigger than the Samsung Galaxy S24 Ultra?

The Galaxy S24 Ultra is slightly larger in every dimension: 162.3 × 79.0 × 8.6 mm versus 159.9 × 76.7 × 8.25 mm. It’s also heavier at 232 g compared to 221 g. Screen sizes are similar, 6.8 inches for the Samsung versus 6.7 inches for the iPhone.

How heavy is the iPhone 15 Pro Max in ounces?

7.81 ounces (221 grams), which is about half a pound. That’s 19 grams lighter than its predecessor, the iPhone 14 Pro Max (240 g / 8.47 oz), because Apple switched from stainless steel to titanium for the frame.

Will an iPhone 14 Pro Max case fit the iPhone 15 Pro Max?

No. The iPhone 15 Pro Max has different dimensions (159.9 × 76.7 × 8.25 mm) compared to the iPhone 14 Pro Max (160.7 × 77.6 × 7.85 mm). The camera bump is also positioned differently. Cases are not interchangeable between these models.

How thick is the iPhone 15 Pro Max with a case?

The body is 8.25 mm thick. Most slim cases add 1.5 to 2 mm, bringing the total to about 10 to 10.5 mm. Rugged cases with drop protection can push the total to 12 to 14 mm. The camera bump (about 11.85 mm from the back) determines whether the case sits flush or raised.

What is the iPhone 15 Pro Max screen-to-body ratio?

About 89.8%. Roughly 90% of the front face is display, with the remaining area occupied by thin bezels and the Dynamic Island at the top.

How does the iPhone 15 Pro Max compare in size to the iPhone 15?

The Pro Max is noticeably larger: 159.9 mm tall versus 147.6 mm, 76.7 mm wide versus 71.6 mm, and 50 grams heavier (221 g vs. 171 g). The screen goes from 6.1 inches to 6.7 inches. If you want the Pro Max camera system in a smaller body, the iPhone 15 Pro (146.6 × 70.6 × 8.25 mm) is the closest option.

Related guides

• How Big Is X Inches? A Visual Size Guide From 1 to 16 Inches
• Height Conversion Chart: Inches, Feet & Centimeters
• Inches Explained: Conversion Chart, Tools, and Real-World Examples

Converters you might need

• Millimeters to Inches (convert 159.9 mm, 76.7 mm, or 8.25 mm)
• Millimeters to Centimeters
• Inches to Centimeters (6.29 in = 15.98 cm)
• Grams to Ounces (221 g = 7.81 oz)
• Grams to Pounds (221 g = 0.487 lb)

More objects to explore

• iPhone 15: 147.6 × 71.6 × 7.80 mm
• Samsung Galaxy S24 Ultra: 162.3 × 79.0 × 8.6 mm
• Google Pixel 8 Pro: 162.6 × 76.5 × 8.8 mm
• Kindle Paperwhite: 167.0 × 116.0 × 8.1 mm
• US Dollar Bill: 156.0 × 66.3 × 0.11 mm

Browse the full library: All Object Dimensions →