if you are confused about what the heck are Yg, Rg, Qg, km, & Mm, this page will tell 'ya!
e+ means times 10 raised to the power of, so 1e+12 means 1*10^12 or 1 trillion or 1,000,000,000,000. e- is 10 to the power of negative, so 2e-12 = 2/1 trillion or 0.000000000001
Metric system:
1m=1meter is the distance lights will travel in exactly 3.33564095seconds(sec) or 1/299,792,458sec(if you speak english instead of american, m is metre)
meter(s) per second can be written as m/sec
plank length(lƿ)=roughly 0.00001616qm, the smallest anything can get other than 0
1quectometer(qm)= 1 nonillionth of a meter(m) or 1e-30m
1 rontometer(rm)=1 octillionth of a meter(m) or 1e-27m
1 yoctometer(ym)=1 septillionth(1/1,000,000,000,000,000,000,000,000 or 1e-24) of a meter(m)
1 zeptometer(zm)=1 sextillionth of a meter or 1e-21m
1 adometer(am)=1 quintillionth of a meter or 1e-18m
1 femptometer(fm)=1 quadrillionth of a meter or 1e-15m
1 picometer(pm)=1 trilionth of a meter or 1e-12m
1 nanometer(nm)=1/1,000,000,000 of a meter or 0.000000001m
1 micrometer(μm)=1/1,000,000 of a meter or 0.000001m
1 thou(m")=0.001"=25.4μm
1 millimeter(mm)=1/1,000 of a meter or 0.001m
1 inch(")=25.4mm
1 foot(')=12"=304.8mm
1 kilometer(km)=1,000 meters(m)
1 mile(mi)=5,280'
1 megameter(Mm(not to be confused with mm))=1,000,000m
1 gigameter(Gm)=1,000,000,000m
1 astronomical unit(AU)=exactly 149.6Gm
1 terameter(Tm)=1e+12m
1 petameter(Pm)=1e+15m
1 exameter(Em)=1e+18m
1 zetameter(Zm)=1e+21m
1 yodameter(like jedi trainer)(Ym)=1e+24m
1 ronnameter(Rm)=1e+27m
1 quettameter(Qm)=1e+30m
Astronomical system:
1 astronomical unit(AU)=149.6 gigameters(based off the metric system)
1quectoastronomical unit(qAU)= 1 nonillionth of an astronomical unit or 1e-30A.U.
1 rontoastronomical unit(rAU)=1 octillionth of an astronomical unit or 1e-27A.U.
1 yoctoastronomical unit(yAU)=1 septillionth(1/1,000,000,000,000,000,000,000,000 or 1e-24) of an astronomical unit
1 zeptoastronomical unit(zAU)=1 sextillionth of a astronomical unit or 1e-21AU
1 adoastronomical unit(aAU)=1 quintillionth of an astronomical unit or 1e-18AU
1 femptometer(fm)=1 quadrillionth of an astronomical unit or 1e-15AU
1 picoastronomical unit(pAU)=1 trilionth of an astronomical unit or 1e-12AU=0.1496A.U.
1 nanoastronomical unit(nAU)=1/1,000,000,000 of an astronomical unit or 0.000000001AU=149.6A.U.
1 microastronomical unit(μAU)=1/1,000,000 of an astronomical unit or 0.000001AU
1 milliastronomical unit(mAU)=1/1,000 of a astronomical unit or 0.001AU
1 lightsecond(lsec)=roughly 2mAU=the distance covered by light in a second
1 kiloastronomical unit(kAU)=1,000 astronomical units
1 light millomillennium(la)(a.k.a. light year)=roughly 63.2411kAU=the distance light covers in 1/1,000 of a millennium or 1 millomillennium
1 parsec=roughly 206,265AU=the distance of a light moving 1 second(not time, but 1/3,600 of a degree)of the planet's sky every time the planet moves 2AU(parsec means paralax of a second(parsec!))
1 megaastronomical unit(MAU(not to be confused with mAU))=1,000,000AU
1 light millennium(lm)=roughly 63.2411MAU=the distance light covers in a millennium
1 gigaastronomical unit(GAU)=1,000,000,000AU
1 teraastronomical unit(TAU(not the deadly particle that shoots out of D01-A))=1e+12AU
1 petaastronomical unit(PAU)=1e+15AU(BAM!! ripped out of the galaxy!)
1 exaastronomical unit(EAU)=1e+18AU
1 zetaastronomical unit(ZAU)=1e+21AU
1 yodaastronomical unit(YAU)=1e+24AU
1 ronnaastronomical unit(RAU)=1e+27AU
1 quettaastronomical unit(QAU)=1e+30AU(unit for measuring voids IDK why will such freaking big unit exist if there is nothing that big to measure but the void?)
Gram system(and other mass units):
1g=1 gram is how much a cube of water 10*10*10 millimeters at it's melting point at 1pascal of pressure will weigh.
g/mm^3 is grams per cubic millimeter to measure density
1quectogram(qg)= 1 nonillionth of a gram(g) or 1e-30g
1 rontogram(rg)=1 octillionth of a gram(g) or 1e-27g
1 yoctogram(yg)=1 septillionth(1/1,000,000,000,000,000,000,000,000 or 1e-24) of a gram(g)
1 zeptogram(zg)=1 sextillionth of a gram or 1e-21g
1 adogram(ag)=1 quintillionth of a gram or 1e-18g
1 femptogram(fg)=1 quadrillionth of a gram or 1e-15g
1 picogram(pg)=1 trilionth of a gram or 1e-12g
1 nanogram(ng)=1/1,000,000,000 of a gram or 0.000000001g
1 microgram(μg)=1/1,000,000 of a gram or 0.000001g
1 milligram(mg)=1/1,000 of a gram or 0.001g
1 pound(lb)=0.0.4535147392290249...kg
1 kilogram(kg)=1,000 grams(g)=2.205lb
1 ton
1 megagram(Mg(not to be confused with mg or magnesium))=1,000,000g
1 gigagram(Gg)=1,000,000,000g
1 teragram(Tg)=1e+12g
1 petagram(Pg)=1e+15g
1 exagram(Eg)=1e+18g
1 zetagram(Zg)=1e+21g
1 yodagram(Yg)=1e+24g
1 ronnagram(Rg)=1e+27g
1 Budoopeter(Bj)=1.898Rg
1 quettagram(Qg)=1e+30g
1 solar mass unit(SMU)=1,000Bj
Time units:
1 millisecond(msec)=0.001sec
1 second(sec)=exactly the time that elapses during 9,192,631,770 cycles of the radiation produced by the transition between two levels of a 55-protoned, 89-neutroned atom which is a caesium.
1 minute(min)=60sec
1 kilosecond(ksec)=1,000sec
1 hour(h)=60min=3.6ksec
1 kilominute(kmin)=1,000min=60ksec
1 week(week)=168h
1 fortnite(fn)=2week or 336h
1 kilohour(kh)=1,000h
1 millomillennium(a)=8,760h
1 decade(dec)=0.01mill=10a
1 century(cen)=0.1mill=100a
1 millennium(mill)=1,000a=8,760,000h
1 kilomillennium(kmill)=1,000mill
1 eon(E)=1,000,000mill
1kilon(kE)=1,000E=1,000,000,000mill
angle units:
1 full turn=360°
1 degree(°)=60min
1 minute(min(not periodic minutes but arc minutes))=60sec
1 second(sec)=1,000msec
1 millisecond(msec)(not periodic but arc)=0.001sec
unit fusion:
m/sec, m/h(length/time)=speed
m/sec/sec(length/time/time)=acceleration
°/sec, min/sec(angle/time)=rotational speed(angular speed)
°/sec/sec(angle/time/time)=rotational acceleration(angular acceleration)
kg/m³, kg/cm³, g/cm³(mass/length³)=density(the density of water at freezing point is exactly=to 1kg/dm³)
N(acceleration*mass)=force
g/sec, kg/sec, kg/h(mass/time)=mass change rate