Milliroentgens to Roentgens
1 mR = 0.001 R. Edit either value to convert instantly.
Conversion formula
R = mR × (2.58 × 10⁻⁷) × (500,000 / 129)1 mR = 0.001 R
milliroentgen (mR)
milliroentgen is a unit of radiation exposure: 1 mR = 2.58 × 10⁻⁷ C/kg.
Source: NIST SP 811, Appendix B.9: conversion factors by quantity
roentgen (R)
roentgen is a unit of radiation exposure: 1 R = 0.000258 C/kg.
Source: NIST SP 811, Appendix B.9: conversion factors by quantity
Conversion table
| mR | R |
|---|---|
| = 0.001 | |
| = 0.002 | |
| = 0.005 | |
| = 0.01 | |
| = 0.015 | |
| = 0.02 | |
| = 0.025 | |
| = 0.03 | |
| = 0.04 | |
| = 0.045 |
| mR | R |
|---|---|
| = 0.05 | |
| = 0.06 | |
| = 0.07 | |
| = 0.08 | |
| = 0.09 | |
| = 0.1 | |
| = 0.15 | |
| = 0.16 | |
| = 0.17 | |
| = 0.18 |
Frequently asked questions
How many roentgens are in 1 milliroentgen?
1 mR = 0.001 R. R = mR × (2.58 × 10⁻⁷) × (500,000 / 129)
How do I convert mR to R?
R = mR × (2.58 × 10⁻⁷) × (500,000 / 129)
Is 1 milliroentgen bigger than 1 roentgen?
1 mR = 0.001 R.
Related conversions
All quantities
LengthMass / weightVolumeTemperatureAreaSpeedTimePressureEnergyPowerData storageFuel economyAngleFrequencyForceTorqueDensityData transfer rateAccelerationElectric chargeElectric currentVoltageCapacitanceAbsorbed doseDynamic viscosityElectrical resistanceIlluminanceKinematic viscosityLuminanceMagnetic flux densityMass flow rateRadioactivityVolumetric flow rateElectrical conductanceEquivalent doseInductanceMagnetic fluxMolar concentrationSolution mass concentrationAmount of substanceAngular velocityCountLuminous fluxLuminous intensityMagnetic field strengthMagnetomotive forceAbsorbed dose rateThermal conductivity