21 Roentgens to Grays

Convert 21 roentgens (R) to grays (Gy) with formulas and conversion tables.

R
Gy
21 roentgens (R) = 0.18417 grays (Gy)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 Gray = 114.025085519 roentgens
2Divide the value by the conversion factor:
21 ÷ 114.025085519 = 0.18417
3Result:
21 roentgens (R) = 0.18417 grays (Gy)

Roentgens to Grays Conversion Table

RoentgensGrays
1 R0.00877 Gy
2 R0.01754 Gy
5 R0.04385 Gy
10 R0.0877 Gy
20 R0.1754 Gy
21 R0.18417 Gy
50 R0.4385 Gy
100 R0.877 Gy

21 Roentgens in Other Units

Unit21 R =
Roentgens to Sieverts0.18417 Sv
Roentgens to Millisieverts184.17 mSv
Roentgens to Microsieverts184170 μSv
Roentgens to Rems18.417 rem
Roentgens to Millirems18417 mrem
Roentgens to Grays0.18417 Gy
Roentgens to Milligrays184.17 mGy
Roentgens to Rads18.417 rad

Related Conversions