How long is 51.5 light years?
It's about 750,000,000,000,000,000 times as long as a Woman's Footstep
The length of a Woman's Footstep is about 0.0000000000000000700 light years.
(for healthy, middle-aged woman of average height; single step length)
According to studies by The University of Oklahoma's Health Sciences Center, the average length of a woman's step is 0.0000000000000000700 light years, for an average stride (two-step's length) of 0.000000000000000140 light years. The average person walks at a speed of about 1.3 m/s
It's about 600,000,000,000,000,000 times as long as a Man's Footstep
The length of a Man's Footstep is about 0.0000000000000000840 light years.
(for healthy, middle-aged man of average height; single step length)
According to studies by The University of Oklahoma's Health Sciences Center, the average length of a man's step is 0.0000000000000000840 light years, for an average stride (two-step's length) of 0.000000000000000170 light years. The average person walks at a speed of about 1.3 m/s
It's about 35,000,000,000,000,000 times as long as a Semitrailer
The length of a Semitrailer is about 0.0000000000000015460 light years.
(a.k.a. semi-trailer truck, a.k.a. semi, a.k.a. tractor-trailer, a.k.a. truck and trailer, a.k.a. eighteen-wheeler, a.k.a. big rig, a.k.a. Mack truck, a.k.a. transport, a.k.a. lorry, a.k.a. artic; for box truck; United States Federal length limits)
According to the United States Department of Transportation (DOT), the maximum allowable length of a semitrailer pulled by a road tractor truck is 0.0000000000000015460 light years (unless superseded by state law). These regulations also allow the vehicles to tow up to 36,000 kg in gross weight.
It's about 25,000,000,000,000,000 times as long as a Cricket Pitch
The length of a Cricket Pitch is about 0.000000000000002126350 light years.
(per Marylebone Cricket Council / International Cricket Council Law #6)
The length of a cricket pitch, from one bowling crease to the other, is 0.000000000000002126350 light years. The wickets at either end of the pitch stand 0.00000000000000007610410 light years tall including the bails.
It's about 60,000,000,000,000,000 times as long as a London bus
The length of a London bus is about 0.0000000000000008860 light years.
(Routemaster Double-Decker, RM standard specification)
The Routemaster Double-Decker buses, well-known as icons of London, measure 0.0000000000000008860 light years in length. The buses were said to be well-designed for travel in the London traffic, as they offered an open door for riders to board and exit even while the bus was moving at low speeds, and a full-time conductor to collect fares.
It's about 250,000,000,000,000,000 times as long as a Full Size Bed
The length of a Full Size Bed is about 0.00000000000000020140 light years.
(North American/Australian standard; length; mattress only)
A Full-Size mattress measures 0.00000000000000020140 light years from head to foot. Although most antique beds were smaller than modern beds, it was not uncommon for beds in the medieval Europe to reach 5 sq. m (49 sq. ft) for those in positions of wealth or power.
It's about 250,000,000,000,000,000 times as long as a Twin Size bed
The length of a Twin Size bed is about 0.00000000000000020140 light years.
(North American/Australian standard; length; mattress only)
A Twin-Size mattress measures 0.00000000000000020140 light years from head to foot. Although most antique beds were smaller than modern beds, it was not uncommon for beds in the medieval Europe to reach 5 sq. m (49 sq. ft) for those in positions of wealth or power.
It's about 250,000,000,000,000,000 times as long as a Queen Size Bed
The length of a Queen Size Bed is about 0.00000000000000021480 light years.
(North American/Australian standard; length; mattress only)
A Queen-Size mattress measures 0.00000000000000021480 light years from head to foot. Although most antique beds were smaller than modern beds, it was not uncommon for beds in the medieval Europe to reach 5 sq. m (49 sq. ft) for those in positions of wealth or power.
It's about 250,000,000,000,000,000 times as long as a King Size Bed
The length of a King Size Bed is about 0.00000000000000021480 light years.
(North American/Australian standard; length; mattress only)
A King-Size mattress measures 0.00000000000000021480 light years from head to foot. Although most antique beds were smaller than modern beds, it was not uncommon for beds in the medieval Europe to reach 5 sq. m (49 sq. ft) for those in positions of wealth or power.
It's about 25,000,000,000,000,000 times as long as a Bowling Lane
The length of a Bowling Lane is about 0.00000000000000202480 light years.
(USBC specifications; tenpin; including pin deck)
According to the United States Bowling Congress specifications, a tenpin bowling lane should measure 0.00000000000000202480 light years. In a Professional Bowling Association game, the lane must be lubricated by about 25 ml (0.85 fl. oz) of oil.
It's about 64,999,999,999,999,997,902,848 times as long as a Red Blood Cell
The length of a Red Blood Cell is about 0.000000000000000000000790 light years.
(a.k.a. RBCs, a.k.a. haematids, a.k.a. erythrocyte, a.k.a. erythroid cells, a.k.a. red blood corpuscles)
An average Red Blood Cell measures 7.5 µm (micrometers) in diameter. An average human has 20 - 30 trillion red blood cells in their body and each cell completes a circulatory lap in about 20 seconds.
It's about 100,000,000,000,000,000 times as long as a Beetle (Volkswagen)
The length of a Beetle (Volkswagen) is about 0.00000000000000043120 light years.
(1964 model) (a.k.a. Volkswagen 1200, a.k.a. Käfer)
A 1964 Volkswagen Beetle measures 0.00000000000000043120 light years. As the longest continuously-produced automobile design — in production for 75 years between 1938 and 2003 — the Beetle was voted the most fourth-most influential car of the twentieth century by the Global Automotive Elections Foundation.
It's about 5,000,000,000,000,000,000,000 times as tall as a sheet of Paper
The height of a sheet of Paper is about 0.00000000000000000001000 light years.
(for US Letter, a.k.a. ANSI A; 215.9mm by 279.4mm (8.5 in x 11 in); 20lb)
A single sheet of 20 lb, 8.5 inch x 11 inch paper is just 0.00000000000000000001000 light years thick. This style of paper weighs a mere 5 g per sheet.
It's about 30,000,000,000,000,000 times as tall as The Hollywood Sign
The height of The Hollywood Sign is about 0.00000000000000160 light years.
(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)
Each of the white letters in the Hollywood Sign measures 0.00000000000000160 light years tall. Built as an advertisement in 1923, the sign was intended to stand for only eighteen months.
It's about 200,000,000,000,000,000 times as tall as a Christmas Tree (artificial)
The height of a Christmas Tree (artificial) is about 0.000000000000000240 light years.
(artificial; average height)
The most common height of an artificial Christmas Tree is 0.000000000000000240 light years. According to the most recent USDA Census of Agriculture, a total of 1,389.59 sq. km (343,374 acres) of Christmas Trees were farmed in the US in 2007.
To all those observing, Merry Christmas from The Measure of Things!
To all those observing, Merry Christmas from The Measure of Things!