The Burj Khalifa stands 828 meters (2,717 feet) tall, making it the tallest artificial structure on Earth by a margin of more than 200 meters over its closest rival, and that’s just the first of dozens of records this Dubai skyscraper holds. Since opening in 2010, the tower has reshaped what’s structurally possible, blending Islamic art motifs with engineering breakthroughs that pushed concrete, elevators, and foundation design past their previous limits.
This guide pulls together 150+ verified Burj Khalifa facts spanning its height and records, the six-year construction process, its architectural inspiration, and the day-to-day numbers floors, elevators, water usage that keep a structure this size running. Whether you’re researching for a school project, planning a visit, or just curious how a single building can hold this many world records, you’ll find the answer here. If towering landmarks fascinate you, you might also enjoy our deep dive into how long it takes to climb Mount Everest, another feat that pushes human and engineering limits to the extreme.
Quick Facts Snapshot
The Burj Khalifa stands 828 meters (2,717 feet) tall, was completed in 2010 after roughly six years of construction, and cost an estimated $1.5 billion to build. Designed by Chicago-based architect Adrian Smith of Skidmore, Owings & Merrill, the tower held its grand opening on January 4, 2010, and remains the tallest building in the world by a margin of over 200 meters.
| Fact | Detail |
|---|---|
| Height | 828 m / 2,717 ft |
| Floors | 163 above ground |
| Year Completed | 2010 |
| Year Opened to Public | January 4, 2010 |
| Architect | Adrian Smith (SOM) |
| Structural Engineer | Bill Baker (SOM) |
| Developer | Emaar Properties |
| Construction Cost | Approximately $1.5 billion |
| Construction Duration | Approximately 6 years (2004–2009) |
| Location | Burj Khalifa, Dubai |
| Country | United Arab Emirates |
| Status | World’s tallest building since 2010 |
| Primary Use | Mixed-use (Residential, Hotel, Offices, Observation Decks) |
These core figures answer the most common queries searchers have about the tower before diving into the details below, and they’re also why the building has become a favorite backdrop for blockbuster films, including Tom Cruise’s real, unstunted climb up its exterior in Mission: Impossible – Ghost Protocol.
Burj Khalifa Height Facts
The Burj Khalifa reaches 828 meters (2,717 feet) into the sky, a height no other building on Earth has matched since its 2010 completion.

How Tall Is the Burj Khalifa Today (2026 Status)
The Burj Khalifa’s official height remains 828 meters (2,717 feet), unchanged since it opened. As of 2026, it still holds the title of the world’s tallest building, with no completed structure anywhere close to challenging that record; the nearest competitor, the Merdeka 118 tower in Kuala Lumpur, tops out at 678.9 meters, leaving a gap of nearly 150 meters. Several proposed megatall projects have been announced over the years, including Saudi Arabia’s Jeddah Tower, but none has been completed or topped out to date.
Height Records It Still Holds
Beyond simply being the tallest building, the Burj Khalifa holds several distinct height-related records recognized by the Council on Tall Buildings and Urban Habitat (CTBUH). It has the tallest freestanding structure in the world, the highest occupied floor of any building, the most elevated outdoor observation deck, and the elevator with the longest single-point travel distance. Its spire along the needle-like section at the top stretches roughly 244 meters, taller than many landmark buildings on its own.
How Height Was Achieved (Engineering Tricks)
Reaching 828 meters required more than just stacking floors. The tower uses a “buttressed core” design, developed by structural engineer Bill Baker, in which three wings buttress a central hexagonal core, allowing the building to support its own weight without a dense skeleton of external bracing. The building also tapers and rotates as it rises, each tier stepping back from the one below, which reduces wind load and prevents the destructive vortex effect that tends to form around very tall, uniform towers. This setback design is one of the key reasons engineers were able to push roughly 30% higher than any prior structure without compromising stability.
Burj Khalifa Construction & Architecture Facts
Building the Burj Khalifa took roughly six years and an estimated $1.5 billion, combining a record-setting construction timeline with design choices rooted in Islamic architecture and desert flora.

Construction Timeline and Cost
Excavation began in January 2004, and the tower topped out in January 2009, with the official opening on January 4, 2010, for a total build time of about six years from the first dig to the ribbon-cutting. The project cost an estimated $1.5 billion, covering the tower itself, and ballooned to roughly $20 billion when factoring in the surrounding Downtown Dubai development that the tower anchors. At peak construction, the project employed around 12,000 workers on site daily, a workforce roughly the size of a small town, all coordinated to keep pace with a schedule that added a new floor every three to four days during the tower’s fastest construction phase.
Architecture and Design Inspiration
Architect Adrian Smith of Skidmore, Owings & Merrill drew the tower’s design from the Hymenocallis flower, a desert bloom native to the region, whose petal-like structure inspired the building’s three-winged footprint. The design also nods to Islamic architectural patterns, visible in the geometric detailing found throughout the spire and the interior. Each of the tower’s three wings spirals upward at a slightly different rate, creating the building’s signature twisting silhouette while also serving a structural rather than purely decorative purpose. Architectural inspiration drawn from a region’s culture isn’t unique to Dubai; you can see a similar thread running through the timeless traditions and design motifs covered in our fascinating facts about Greece.
Engineering Innovations Used
The Burj Khalifa required engineering solutions that hadn’t been tested at this scale before. Its concrete had to be specially formulated to withstand Dubai’s extreme summer heat, and crews poured it at night, using ice in the mix to keep curing temperatures controlled. Pumping concrete to the building’s upper floors demanded record-breaking pressure, with pumps pushing material higher than had ever been achieved on a construction site at the time. The tower’s foundation relies on a dense network of piles driven deep into the ground to anchor the structure, compensating for Dubai’s sandy, low-bearing-capacity soil. This challenge ruled out simpler foundation designs used on shorter buildings elsewhere in the city.
Burj Khalifa History Facts
The Burj Khalifa was built as the centerpiece of Dubai’s push to become a global business and tourism hub, and it was originally named Burj Dubai before a last-minute renaming honored the president of the United Arab Emirates.

Why It Was Built
Dubai commissioned the tower as the anchor for Downtown Dubai, a massive mixed-use development designed to diversify the emirate’s economy away from oil and toward tourism, finance, and real estate. Developer Emaar Properties wanted a structure that would put Dubai on the map alongside established global cities, and a record-breaking skyscraper offered instant international attention in a way few other projects could. The strategy worked: Downtown Dubai, anchored by the tower and the Dubai Mall at its base, has become one of the most visited destinations in the Middle East, drawing millions of tourists annually who come specifically to see the world’s tallest building. Cities reinventing themselves around tourism is a pattern that shows up worldwide, much as destinations covered in our guide to Lake Tahoe’s eerie legends draw visitors with a different kind of curiosity.
Name Origin (Burj Dubai → Burj Khalifa)
For most of its construction, the tower was known as Burj Dubai, meaning “Dubai Tower” in Arabic. That changed at the building’s opening ceremony on January 4, 2010, when it was renamed Burj Khalifa in honor of Sheikh Khalifa bin Zayed Al Nahyan, the president of the United Arab Emirates at the time. The renaming is widely understood as a gesture of gratitude: Abu Dhabi, the UAE’s capital and Sheikh Khalifa’s home emirate, provided critical financial support to Dubai during the 2009 global financial crisis, when the debt-laden emirate needed outside help to keep major projects including the tower itself moving forward. The new name stuck immediately and has been the building’s official title ever since.
Burj Khalifa Floors, Elevators & Interior Facts
The Burj Khalifa has 163 occupiable floors above ground, served by elevators that travel at speeds up to 10 meters per second, among the fastest in the world.

Total Floors and What’s on Them
The tower contains 163 floors above ground level, plus additional service and mechanical levels, raising the total floor count depending on how they’re counted. The lower floors house the Armani Hotel Dubai, occupying the first several stories, while the middle section of the building is largely residential, home to hundreds of private apartments. Higher up, floors transition to office and corporate space, and the tower’s upper reaches hold some of its most famous attractions: the At the Top observation deck on floor 124, a second observation level on floor 148 called At the Top SKY, and a private residents’ lounge known as the Atmosphere, located on floor 122. The very top floors are mechanical and structural, supporting the spire that gives the building its final, dramatic height.
Elevator Speed and Engineering
Moving people through 163 floors required elevator technology that didn’t yet exist. The Burj Khalifa’s double-decker elevators travel at speeds of up to 10 meters per second (about 22 miles per hour), making them among the fastest elevators in the world, and one of the building’s service elevators holds the record for the longest elevator travel distance in a single run. Engineers also had to solve a problem unique to buildings this tall: elevator cables long enough to reach the upper floors would be too heavy to support their own weight using conventional steel cable, so the building relies on specially engineered cabling and a sky lobby system that breaks the journey into segments, letting residents and visitors transfer between elevator banks rather than relying on one continuous shaft from ground to top.
Mathematical & Mind-Blowing Burj Khalifa Facts
The Burj Khalifa’s scale is so extreme that its statistics read more like science trivia than building specs; its concrete and rebar alone would stretch a quarter of the way around the Earth if laid end to end.

Numbers That Will Surprise You
The numbers behind the Burj Khalifa are hard to picture even when you’ve seen the building in person. Construction used 330,000 cubic meters of concrete and 39,000 metric tons of steel rebar, and if that rebar were laid out in a single straight line, it would stretch roughly a quarter of the way around the Earth. The tower’s total weight is comparable to 100,000 elephants, and its exterior is covered in 26,000 glass panels, requiring a team of window washers nearly four months to clean the entire facade by hand using specialized cradle equipment. At its peak, the building sways less than you’d expect for its height; engineers designed it to shift only about 1.5 meters at the very top during high winds, a remarkably small deflection for a structure nearly half a mile tall. Even the temperature affects its size. On a hot Dubai day, the tower’s spire can expand and contract by several centimeters due to thermal expansion alone, a detail engineers had to account for in the design to prevent structural stress over time. If massive numbers like these get your curiosity going, our geography trivia collection has plenty more scale-bending facts about the world to test yourself against.
Top 10 Burj Khalifa Facts (Quick List)
For readers who want the essentials without the deep dive, here are the ten most important Burj Khalifa facts in one place: it’s the world’s tallest building at 828 meters, and that single number underpins nearly everything else notable about it.

For Skimmers: The Short Version
- Height: The Burj Khalifa stands 828 meters (2,717 feet) tall, making it the tallest building on Earth by nearly 150 meters over its closest rival.
- Completion year: The tower was finished in 2009 and officially opened on January 4, 2010.
- Floors: It has 163 occupiable floors above ground, plus additional mechanical levels near the spire.
- Architect: Adrian Smith of Skidmore, Owings & Merrill designed the building, drawing inspiration from a desert flower.
- Cost: Construction cost an estimated $1.5 billion for the tower alone.
- Construction time: The building took roughly 6 years, from groundbreaking in 2004 to topping out in 2009.
- Original name: The tower was called Burj Dubai during construction and was renamed Burj Khalifa at its opening, in honor of the UAE’s president.
- Elevators: Its elevators reach speeds of up to 10 meters per second, among the fastest in the world.
- Observation decks: The tower has two public observation levels, At the Top (floor 124) and At the Top SKY (floor 148).
- Materials: Construction used 330,000 cubic meters of concrete and 39,000 metric tons of steel rebar, enough rebar to stretch a quarter of the way around the Earth.
Burj Khalifa Facts for Kids / Students
The Burj Khalifa is the tallest building in the world, standing about as tall as 600 stacked school buses, and it was built in Dubai using ideas inspired by a desert flower.
Simple Explanations for School Projects
The Burj Khalifa is located in Dubai, a city in the United Arab Emirates, and it took about six years to build, opening to the public on January 4, 2010. At 828 meters tall, it’s so high that on a clear day, people standing on the observation deck can see for miles across the desert and out toward the Persian Gulf. The building has 163 floors, and inside you’ll find a hotel, hundreds of apartments, offices, and two observation decks where visitors can look out over the entire city. The architect, Adrian Smith, designed the building’s shape to resemble a flower called the Hymenocallis, which is why the tower has three “petals” that spiral upward rather than being a simple straight box like most skyscrapers. One easy way to picture its height for a school project: 828 meters is roughly the same as stacking about 600 school buses end to end, or more than twice the height of the Eiffel Tower in Paris. Students working on world landmarks for class might also like our roundup of interesting facts about Greece, another great topic for history and geography projects.
Myth-Busting: Burj Khalifa Fact Checks
Few buildings attract as many viral rumors as the Burj Khalifa, and most of the biggest claims about sewage, attacks, and construction deaths turn out to be partly true, mostly outdated, or simply false.

The Sewage Truck Story Fact or Fiction?
This one is rooted in fact but widely exaggerated. In the tower’s early years, Dubai’s municipal sewage infrastructure hadn’t kept pace with the city’s skyscraper boom. The Burj Khalifa, like several other tall buildings at the time, relied partly on tanker trucks to haul wastewater to treatment facilities outside the city. A 2011 NPR interview with author Kate Ascher is the source most people are quoting when they repeat this story. That situation was never as simple as “no plumbing at all,” though: the building always had extensive internal piping systems. As Dubai’s municipal network expanded in the years since, the tower has become more fully integrated into the city’s standard sewage infrastructure, and the daily truck convoys described in the original story are no longer representative of how the building operates today.
Has There Ever Been an Attack? Separating Fact From Rumor
There has been no terrorist attack or significant security breach at the Burj Khalifa. This rumor appears to stem from general curiosity about high-profile target buildings rather than any documented incident, and no credible news source has reported an attack on the tower. The building does maintain extensive security measures befitting its global visibility, but searches for “Burj Khalifa attack” turn up speculation, not history.
Death Toll During Construction: What’s Verified
This is the most genuinely disputed figure on this list. The project’s main contractors and developer have stated that one worker died in a construction-related fall in 2007, and that figure is the one most consistently cited in official contexts. However, other reports, including labor advocacy groups and some news coverage, put the number at three or four deaths across the full construction period, with causes including falls and an electrical accident. Separately, a fatal crane collapse near the site in 2013 killed three workers. Still, that incident occurred after the tower’s main construction had finished and is sometimes conflated with build-phase fatalities. Given the inconsistency between official statements and independent reporting, the most honest answer is that the exact number remains contested rather than definitively settled.
Conclusion
The Burj Khalifa earns its reputation as the world’s most record-breaking building through a combination of engineering ambition and meticulous design. A structure that stands 828 meters tall, took six years and roughly $1.5 billion to build, and continues to hold the title of world’s tallest building more than 15 years after opening, with no completed rival closing the nearly 150-meter gap.
What makes the tower worth studying isn’t just its height, but how many disciplines had to align to achieve it: structural engineering that solved wind load with a buttressed core design, architecture that drew from a desert flower rather than convention, and construction logistics that pumped concrete higher than anyone had managed before. Even its myths the sewage trucks and the disputed worker death toll reveal as much about Dubai’s rapid development as the tower’s official statistics do.
Whether you came here for a quick number to cite, a school project fact, or a deeper understanding of how the Burj Khalifa was built, the throughline is the same: this is a building where almost every detail, from its floor count to its name, has a story behind it worth knowing. And if Dubai’s record-breaking skyline has you thinking about other unforgettable destinations, you might enjoy exploring where Curaçao is located or browsing fun facts about Chicago and fascinating insights about Greece for more world-spanning curiosities on Lite Facts.
Frequently Asked Questions(FAQs)
How tall is the Burj Khalifa?
The Burj Khalifa is 828 meters (2,717 feet) tall, making it the tallest building in the world by a margin of nearly 150 meters over the next-tallest completed structure.
How many footings does the Burj Khalifa have?
The Burj Khalifa has 163 occupiable floors above ground level, plus additional mechanical and service levels near the spire that aren’t included in that count.
When was the Burj Khalifa built?
Construction began with excavation in January 2004; the tower topped out in 2009, and it officially unfurled to the public on January 4, 2010, for a total build time of roughly six years.
Who designed the Burj Khalifa?
The Burj Khalifa was designed by architect Adrian Smith of Skidmore, Owings & Merrill, with structural engineering led by Bill Baker, the same firm behind several of the world’s other tallest buildings.
How much did the Burj Khalifa cost to build?
The tower itself cost an estimated $1.5 billion to construct, though the figure rises to roughly $20 billion when including the surrounding Downtown Dubai development it anchors.
Why was the Burj Khalifa renamed from Burj Dubai?
The tower was renamed Burj Khalifa at its 2010 opening to honor Sheikh Khalifa bin Zayed Al Nahyan, the UAE’s president at the time, in recognition of Abu Dhabi’s financial support to Dubai during the 2009 global financial crisis.
How fast do the Burj Khalifa’s elevators travel?
The Burj Khalifa’s elevators reach speeds of up to 10 meters per second (about 22 miles per hour), making them among the fastest elevators in the world.
Is the Burj Khalifa still the tallest building in the world?
Yes. As of 2026, the Burj Khalifa remains the most elevated completed building on Earth, with no finished structure anywhere close to surpassing its 828-meter height.








