Roentgen (R)

The roentgen (R) measures ionization produced by X-rays or gamma rays in air. One roentgen produces 2.58×10⁻⁴ C/kg of ionization. Approximately: 1 R ≈ 8.77 mGy or 0.877 rad in soft tissue. Named after Wilhelm Röntgen, discoverer of X-rays.

Convert From Roentgens

Roentgen to Sievert Roentgen to Millisievert Roentgen to Microsievert Roentgen to Nanosievert Roentgen to Picosievert Roentgen to Rem Roentgen to Millirem Roentgen to Microrem Roentgen to Gray Roentgen to Milligray Roentgen to Microgray Roentgen to Nanogray Roentgen to Centigray Roentgen to Kilogray Roentgen to Rad Roentgen to Millirad Roentgen to Kilorad Roentgen to Milliroentgen Roentgen to Microroentgen

Convert To Roentgens

Sievert to Roentgen Millisievert to Roentgen Microsievert to Roentgen Nanosievert to Roentgen Picosievert to Roentgen Rem to Roentgen Millirem to Roentgen Microrem to Roentgen Gray to Roentgen Milligray to Roentgen Microgray to Roentgen Nanogray to Roentgen Centigray to Roentgen Kilogray to Roentgen Rad to Roentgen Millirad to Roentgen Kilorad to Roentgen Milliroentgen to Roentgen Microroentgen to Roentgen

Conversion Factors

1 R 0.00877 Sv

1 R 8.77 mSv

1 R 8770 μSv

1 R 8770000 nSv

1 R 8770000000 pSv

1 R 0.877 rem

1 R 877 mrem

1 R 877000 μrem

1 R 0.00877 Gy

1 R 8.77 mGy

1 R 8770 μGy

1 R 8770000 nGy

1 R 0.877 cGy

1 R 8.77e-6 kGy

1 R 0.877 rad

1 R 877 mrad

1 R 0.000877 krad

1 R 1000 mR

1 R 1000000 μR

Related Units

Sievert (Sv) Millisievert (mSv) Microsievert (μSv) Nanosievert (nSv) Picosievert (pSv) Rem (rem) Millirem (mrem) Microrem (μrem) Gray (Gy) Milligray (mGy) Microgray (μGy) Nanogray (nGy) Centigray (cGy) Kilogray (kGy) Rad (rad) Millirad (mrad) Kilorad (krad) Milliroentgen (mR) Microroentgen (μR)