There are various objects in the universe , from microscopic to macroscopic which are of different shapes and sizes. Apart from the sizes of what we see daily, look at these mind boggling sizes of various elements which exists at this very moment in our universe.
A String – part of string theory: 1.62*10-35 meters

Calabi- Yau Manifold (A Planck scale manifold): 1.62*10-35 meters
Quantum Foam – Tiny change in space time: 1.62*10-35 meters

Planck Particle- A tiny black hole: 1.14*10-34 meters
1 MeV Neutrino- Most neutrinos on earth are from sun: 4*10-23 meters
High energy neutrino – The size of 250GeV neutrino: 7* 10-21 meters
Preon – Hypothetical component of quarks: 7*10-21 meters

Upper size limit of a quark – protons are made up of 2 up quarks and 1 down quark: 1*10-18 meters.
Proton: 1.62*10-15 meters
Gamma Ray- Lightning strikes can produce gamma ray: 8*10-13 meters
Neon atom: 7.6*10-11 meters
Carbon atom: 1.34*10-10 meters
Neodymium atom: 4.12*10-10 meters

Cesium atom: Largest known radius of any element: 5.96*10-10 meters
Carbon Nanotube – Strongest tensile strength: 1*10-9 meters
Lipid bilayer – Forms the cell membrane of all cells: 4*10-9 meters
Hepatitis B virus- 1/3rd of the world has been infected by this:4.2*10-8 meters
Influenza virus – High mutation rate: 1.2*10-7 meters
Measles virus: 1.5*10-7 meters
Mimi virus – Extremely large and old species of virus: 6*10-7 meters

Ebola virus: 1*10-6 meters
Escherichia Coli – A common bacterial model organism: 2*10-6 meters

Neutrophil – involved in inflammatory response: 1.2*10-5 meters
Pollen – Carries male genetic info of a plant: 9*10-5 meters
Scydosella Musawasensis – The smallest known species of beetle: 3.25*10-4 meters

Amoeba proteus: 7.6*10-4 meters
Pelomysca Palustris – Capable of containing 1000’s of nuclei: 5*10-3 meters
Paedophryne Amauensis – Smallest known vertebrate: 7.7*10-3 meters
Glasswing butterfly – Migrating great distances – 5.8*10-2 meters

House cat: 2.5*10-1 meters
Chimpanzee: 1.2 meters
Humans: 1.7 meters
Emu: 1.9 meters
Rothschild’s giraffe- Only 1500 left: 5.88 meters
Boeing 747B: 76.3 meters
Interplanetary transport system: 122 meters
RMS Queen Mary 2 – Cruise : 345 meters
Burj Khalifa: 828 meters
EL Capitan – Signature peak of west Texas: 2,458 meters
Methone – Moon of Saturn : 2,900 meters

Popocatepetl – mountain: 5,426 meters
Mt K2: 8,611 meters
PSR J0348+0432 – Pulsar orbits white dwarf in 2hrs 27 mins : 13 Km

PSR B1257+12 – Pulsar with 3 planets : 20 Km
Calypso – Loose surface material : 21.4 Km
Olympus Mons – Largest known volcano in solar system : 22 Km

Epimetheus – Moon of Saturn : 116.2 Km
Janus – Orbital with Epimetheus : 179 Km

Hyperion – Moon with chaotic rotation : 360.2 Km
Proteus – Created from debris of triton : 420 Km
Miranda – has 5-10 km cliff : 471.6 Km

Charon – Discovered in 1978 : 1,212 Km
Iapetus – Has 580 km crater: 1,469 Km
Pluto – 98% nitrogen ice: 2,374 Km
Triton – Set to be destroyed by Neptune in 3.6 billion years: 2,707 Km

Europa – Water jets plumes up to 200km : 3,122 Km
Moon: 3,474.2 Km
IO – Inner most Galilean Moon: 3,643 Km
Callisto – Below 100- 150 km from surface, an ocean may reside there: 4,820 Km

Mercury – Smallest planet in solar system: 4,879 Km
Titan – Large lakes of methane : 5,151 Km

Ganymede – Largest moon in solar system: 5,628 Km
Mars – Has giant dust storms: 6,779 Km
Venus – 92times atmospheric pressure of earth : 12,103 Km
Earth- 4.54 Billion years old: 12,742 Km
Kepler 452B – Earth like planet: 19,113 Km
Neptune – Blue, cause methane absorbs red light: 49,258 Km
Uranus – Temperatures can go down to -224.15C : 51,118 Km
Saturn – Beautiful rings: 120,536 Km
Jupiter – Largest planet in the solar system: 142,984 Km
HD209458 B: Exoplanet with windspeeds up to 7000 Kmph: 163,000 Km

Wasp 78B – 1734 degree C : 243,000 Km

2M1207 – Brown dwarf with 25 Jupiter masses: 347,850 Km

Gliese 229 – A star which has a brown dwarf and a super Neptune in orbit: 960,000 Km

The Sun – Red giant in 5 billion years: 1,391,400 Km
Alpha Centauri A – 4th brightest star in the night sky:1,707,000 Km
KIC 8462852 – Unexplained dimming : 2,198,000 Km
Regulus – Distorted shape : 4,302,000 Km

VFTS352 – A contact binary start system with temperatures more than 40000 C: 20,133,000 Km

Sagittarius A* – Blackhole at center of milky way : 44,000,000 Km
Aldebaran – Alpha Tauri B is binary partner : 61,499,000 Km
1 SWASP J1407B – Exoplanet with gigantic ring system : 90,000,000 Km

RIGEL – Lost 3 solar masses since formed: 109,781,000 Km
Pistol Star – In 20 seconds a year worth of solar energy is released: 425,768,000 Km

Chi Cygni – Shows 10,000 fold variation in brightness: 484,207,000 Km
RHO Cassiopeiae – A yellow hyper giant : 625,950,000 Km
R Leporis – An Intensely red star: 695,500,000 Km
Antares : 1,228,606,000 Km

Mu Cephei – Set to explode as a type 2 supernova: 1,753,164,000 Km
VY Canis Majoris : 1,975,788,000 Km
Westerlund 1-26 – Coolest start at 2,726 C : 2,128,842,000 Km
UY Scuti – Largest known star: 2,376,511,000 Km
NGC 1277 – Blackhole : 59,200,000,000 Km

SDSSJ0100+2802- Hyper luminous quasar located 12.8 Billion light years from earth: 70,900,000,000 Km
S5 0041+81 – Largest Black hole: 236,700,000,000 Km

1 Light year = 9,461,000,000,000 Km or 5,879,000,000,000 miles
1 Light year(ly) = 9.461 trillion kilometers (5.879 trillion miles)
Cat’s eye nebula – Made from central star: 0.2 Light years

Horsehead Nebula – Part of Orion molecular cloud complex: 7 ly
Crab Nebula – Supernova observed by Chinese astronomers in 1054 AD: 11 ly
Orion Nebula: 24ly
Messier 3 – 8 billion year old; contains 500,000 stars: 90 ly
Veil Nebula- Observed by William Herschel in 1784 Sept 5 – 100 ly
Carina Nebula – 6,500 to 10,000 ly away: 920 ly
NGC 604 – One of the largest H-II region galaxy: 1,520 ly

I Zwicky 18 – Extremely rare population III Star: 3,000 ly

Smith’s cloud- Huge cloud of hydrogen; set to collide with milky way: 9,800 ly

Great rift- dart dust clouds: 30,000 ly

Triangulum galaxy – 40 billion stars: 60,000 ly
Milky Way galaxy : 100,000 ly
NGC 7331 – 40 million ly away: 142,000 ly
Andromeda galaxy- 2.5 million light years away: 220,000 ly
Malin-1 – Largest spiral galaxy: 650,000 ly

Coma B – Galaxy weighs as much as 15 trillion solar masses: 1,300,000 ly

IC1101 – Largest galaxy known : 2,100,000 ly

The local group – Our galaxy resides in this group : 10,000,000 ly

Virgo Supercluster – The local group resides here: 110,000,000 ly

Boötes void – Immense region of empty space: 250,000,000 ly

Laniakea Supercluster- Virgo Supercluster is a part of this :520,000,000 ly

Pisces- Cetus Supercluster complex – Galaxy filaments including Laniakea Supercluster: 1,000,000,000 ly

Sloan great wall – roughly spans 1/60th diameter of observable universe : 1,380,000,000 ly

Huge large quasar group – Contains 73 Huge Quasars: 4,000,000,000 ly

Herculeus –Corona borealis great wall – Largest known structure in the observable universe: 10,000,000,000 ly

The observable universe : 93,000,000,000 ly
The universe size is currently unknown as it is always expanding. The Size of our universe might be even mightier than we can ever imagine if our universe is a part of multiverse.
Hope you like it !