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Hectoreentgen (HR) Sainmhíniú aonaid
The hectoroentgen is a multiple of the unit roentgen (R) for radiation exposure. The International System of Units (SI) defines the prefix hecto (h) as a factor of one hundred. Per this definition, one hectoroentgen is 100 roentgens. The hectoroentgen is represented by the symbol hR.
SI Multiples
A table of various radiation exposure roentgen derived from SI multiples:
Submultiples |
Multiples |
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Scientific Notation |
Luach |
Réimeas |
Ainmnigh |
Scientific Notation |
Luach |
Réimeas |
Ainmnigh |
10-1 R |
0.1 R |
Deci (d) | Deciroentgen (DR) | 101 R |
10 R |
Deca (DA) | Decaroentgen (dar) |
10-2 R |
0.01 R |
Centi (c) | Centiroentgen (CR) | 102 R |
100 R |
Hecto (H) | Hectoreentgen (HR) |
10-3 R |
0.001 R |
Milli (M) | Milliroentgen (MR) | 103 R |
1000 R |
Kilo (K) | Kiloroentgen (KR) |
10-6 R |
0.000001 R |
Micrea (µ) | Micoroentgen (µR) | 106 R |
1000000 R |
Mega (m) | Megaroreentgen (MR) |
10-9 R |
0.000000001 R |
Nano (n) | Nanoroentgen (nR) | 109 R |
1000000000 R |
Giga (G) | Gigaroentgen (GR) |
10-12 R |
0.000000000001 R |
Pico (P) | Picoroentgen (PR) | 1012 R |
1000000000000 R |
Tera (t) | Teraroentgen (TR) |
10-15 R |
0.000000000000001 R |
Femto (F) | Femtoroentgen (FR) | 1015 R |
1000000000000000 R |
PETA (P) | Peraroentgen (PR) |
10-18 R |
0.000000000000000001 R |
Atto (a) | Atoroentgen (AR) | 1018 R |
1000000000000000000 R |
Exa (e) | Exaroentgen (er) |
10-21 R |
0.000000000000000000001 R |
Zepto (z) | Zeptoroentgen (Zr) | 1021 R |
1000000000000000000000 R |
Zetta (Z) | Zettaroentgen (Zr) |
10-24 R |
0.000000000000000000000001 R |
Yocto (y) | Yoctoroentgen (yr) | 1024 R |
1000000000000000000000000 R |
Yotta (Y) | Yottaroentgen (yr) |
10-27 R |
0.000000000000000000000000001 R |
Ronto (r) | Rontoroentgen (rR) | 1027 R |
1000000000000000000000000000 R |
Ronna (R) | Ronnaroentgen (RR) |
10-30 R |
0.000000000000000000000000000001 R |
Quecto (q) | Quectoroentgen (qR) | 1030 R |
1000000000000000000000000000000 R |
Quetta (Q) | Quettaroentgen (QR) |
Other Radiation Exposure Unit Definitions
Abcoulomb (ABC)
- Attocoulomb (AC)
- Attarker (Aparker)
- Adturep (AREP)
- Atoroentgen (AR)
- Centicoulomb (CC)
- Centreker (CParker)
- Centirep (crep)
- Centiroentgen (CR)
- Coulomb (c)
Coulomb International (c)
- DeCacoulomb (DAC)
- Decaparker (Daparker)
- Decarep (darep)
- Decaroentgen (dar)
- Decicoulomb (DC)
- Deciparker (DParker)
- Decirep (Drep)
- Deciroentgen (DR)
- Dekacoulomb (DAC)
- DeKaparker (Daparker)
- DeKarep (darep)
- Dekaroentgen (dar)
Muirear Leictreonach (Q)
- Exacoulomb (CE)
- Exaparker (Eparker)
- Exarep (erep)
- Exaroentgen (er)
Tairiseach faraday (f)
- Femtocoulomb (FC)
- Femtoparker (FParker)
- Femtorep (FREP)
- Femtoroentgen (FR)
Franklin (FR)
- Gigacoulomb (GC)
- Gigaparker (GParker)
- Gigarep (grep)
- Gigaroentgen (GR)
- Hectocoulomb (HC)
- Hectoparker (HParker)
- HECTOREP (HREP)
- Hectoreentgen (HR)
- Kilocoulomb (KC)
- Kiloparker (Kparker)
- Kilorep (Krep)
- Kiloroentgen (KR)
- Megacoulomb (MC)
- Megaparker (Mparker)
- Megarep (mrep)
- Megaroreentgen (MR)
- Microcoulomb (μC)
- Microparker (µParker)
- Microrep (µrep)
- Micoroentgen (µR)
- Millicoulomb (MC)
- Milliparker (Mparker)
- Millirep (MREP)
- Milliroentgen (MR)
- Nanocoulomb (NC)
- Nanoparker (NParker)
- Nanorep (NREP)
- Nanoroentgen (nR)
- Parker (Parker)
- Petacoulomb (PC)
- Petaparker (Pparker)
- Petarep (prep)
- Peraroentgen (PR)
- Picocoulomb (PC)
- Picoparker (Pparker)
- Picorep (prep)
- Picoroentgen (PR)
- Quectocoulomb (qC)
- Quectoparker (qparker)
- Quectorep (qrep)
- Quectoroentgen (qR)
- Quettacoulomb (QC)
- Quettaparker (Qparker)
- Quettarep (Qrep)
- Quettaroentgen (QR)
- Ionadaí (Ionadaí)
- Roentgen (R)
- Ronnacoulomb (RC)
- Ronnaparker (Rparker)
- Ronnarep (Rrep)
- Ronnaroentgen (RR)
- Rontocoulomb (rC)
- Rontoparker (rparker)
- Rontorep (rrep)
- Rontoroentgen (rR)
Statcoulomb (STATC)
- Teracoulomb (TC)
- Teraparker (TParker)
- Terarep (Trep)
- Teraroentgen (TR)
Roentgen fíochán (R)
- Yoctocoulomb (YC)
- Yoctoparker (yparker)
- Yoctorep (yrep)
- Yoctoroentgen (yr)
- Yottacoulomb (YC)
- Yottaparker (YParker)
- Yottarep (yrep)
- Yottaroentgen (yr)
- Zeptocoulomb (ZC)
- Zeptoparker (Zparker)
- Zeptorep (Zrep)
- Zeptoroentgen (Zr)
- Zettacoulomb (ZC)
- Zettaparker (Zparker)
- Zettarep (Zrep)
- Zettaroentgen (Zr)
Convert to Another Radiation Exposure Unit
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Séanadh
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Foinsíocht
“Roentgen (Unit).” Wikipedia, Wikimedia Foundation, 4 Sept. 2023, en.wikipedia.org/wiki/Roentgen_(unit).