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Boeing 737 vs 777 – Size Comparison Guide

If you love airplanes, you will be interested in comparing the size of a Boeing 737 and a Boeing 777 aircraft.

Boeing is the world’s largest manufacturer of commercial aircraft and many airlines use these jets for providing passenger service.

2 of the most popular airplanes used are the Boeing 737 and the Boeing 777. 

As with other Boeing aircraft, the B-737 and B-777 have some similarities but also have many differences with respect to size.

Here is an informative and comprehensive B-737 vs B-777 size comparison guide.

Boeing 737 vs 777 - Size Comparison Guide decorative image

Boeing 737 overview

The Boeing 737 is considered to be the most commonly known and popular aircraft in the world. 

If you are a traveler or know someone who does a lot of traveling on airplanes, chances are they have been on a B-737.

The first B-737-100 series flew in April 1967 and made its first commercial passenger flight in February 1968. 

The Boeing 737-200 was introduced in April 1968 which is an extended version of the first series. 

In 1984, Boeing introduced the B-300, B-400, and B-500 series aircraft which included many upgrades and size differences. 

In 1997, Boeing introduced the NG or next-generation B-600, B-700, B-800, and B-900 aircraft.

More recently, in 2017 Boeing produced the 737-Max which is the largest model of 737’s.

There have been 14,868 Boeing 737 aircraft orders from airlines around the world and 10,815 of them have been delivered. 

white Boeing 737-800


Boeing 777 overview

26 years after the first revenue flight of the Boeing 737, the first Boeing 777 aircraft was introduced and flown in 1994.

Also known around the world as the “triple seven” it is the largest twinjet airplane in the world. 

The B-777 differs from the B-737 where it is a wide-body aircraft instead of a narrow body and consists of the 777-200, 777-200LR, 777-300, 777-300ER, 777-X models.

Despite its huge size, the Boeing 777 is also known for its economical fuel economy and flying range. 

Most passengers love flying on the B-777 and is a favorite in terms of comfort

white boeing 777-200

Boeing 737-800 vs Boeing 777-200 size comparison chart

The following statistics are based on B737-800 and B777-200 aircraft.

Boeing 737-800Boeing 777-200
Length39.62 meters – 130 feet64 meters – 209.97 feet
Height12.5 meters – 41.01 feet18.5 meters – 60.7 feet
Wingspan35.81 meters – 117.5 feet61 meters – 200.13 feet
Wing area125.0 square meters427.80 square meters
Tire size27×7.75-R1543×17.5R17
Max takeoff weight174,198 pounds – 79,015 kgs545,000 pounds – 247,200 kgs
Passenger load189312
Max fuel capacity6,875 gallons – 26,020 liters31,000 gallons – 117,347 liters
Engine sizeCFM56-7B – 26,000 lbs thrustGE90-94B – 94,000 lbs thrust


The length of an aircraft is measured from the tip of the nose to the furthest point at the rear of the airplane at the tail.

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The Boeing 737-800 has a length of 39.62 meters or 130 feet.

The Boeing 777-200 has a length of 64 meters or 209.97 feet.

Therefore, the Boeing 777-200 is 24.38 meters longer than the Boeing 737-800.


The height of an aircraft is measured from the ground to the tallest point on the tail.

The Boeing 737-800 has a height of 12.5 meters or 41.01 feet.

The Boeing 777-200 has a height of 18.5 meters or 60.7 feet.

Therefore, the Boeing 777-200 is 6 meters taller than the Boeing 737-800.


The wingspan of an airplane is the distance measured from wingtip to wingtip.

The Boeing 737-800 has a wingspan of 35.81 meters or 117.5 feet.

The Boeing 777-200 has a wingspan of 61 meters or 200.13 feet.

Therefore, the Boeing 777-200’s wingspan is 25.19 meters longer than the Boeing 737-800.

737-800 wingspan

Tire size

Aircraft tires are filled with nitrogen and are made in a variety of sizes to suit a specific airplane.

The Boeing 737-800 has a tire size of 27×7.75-R15 with the first number being the tire width, the second is the tread width, third is the rim size.

The Boeing 777-200 has a tire size of 43×17.5-R17.

Boeing 777-200 tires

Maximum weight – takeoff

The maximum takeoff weight of an aircraft is its maximum allowable weight to safely take off and fly which includes all passengers, fuel, and cargo.

The Boeing 737-800 has a maximum take-off weight of 174,198 pounds or 79,015 kgs.

The Boeing 777-200 has a maximum take-off weight of 545,000 pounds – 247,200 kgs.

Therefore, the Boeing 777-200’s maximum take-off weight is 370,802 pounds higher than the Boeing 737-800.

Boeing 737-800 takeoff


The number of passengers a specific aircraft can hold is based on a number of factors. 

One of these factors is the seating configuration. 

Larger airplanes can hold more passengers based on how the seats are arranged.

If the aircraft has first-class seating is available, it will hold fewer passengers versus a seating configuration without first class.

The Boeing 737-800 has a maximum passenger load of 189.

The Boeing 777-200 has a maximum passenger load of 312.

Therefore, the Boeing 777-200 can carry up to 123 more passengers.


The maximum amount of fuel that an aircraft can carry is based on the size of the fuel tanks. 

The larger the tanks, the more fuel they can carry.

Not all airplanes will carry the maximum amount of fuel on each flight

In fact, most commercial airliners fly without having full fuel on board. 

The Boeing 737-800 has a maximum fuel capacity of 6,875 gallons or 26,020 liters.

The Boeing 777-200 has a maximum fuel capacity of 31,000 gallons or 117,347 liters.

Therefore, the Boeing 777-200 can carry 24,125 more gallons of fuel than the Boeing 737-800.

Engine size

Commercial airliners like the B737-800 and B777-200 aircraft use different sized engines and each engine has a maximum rated amount of thrust. 

Not only is the physical size of the engine different between both airplanes, but so is the amount of thrust it produces.

The Boeing 737-800 uses CFM56-7B engines which produce 26,000 lbs of thrust each.

The Boeing 777-200 uses GE90-94B engines that produce 94,000 lbs of thrust each.

Therefore, the Boeing 777-200 engines produce 68,000 lbs of thrust more than the Boeing 747-400.

Boeing 777-200 engine

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