Convert rems to millirems

1 rem = 1000 mrem — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

1000mrem
✓ Exact 1 rem = 1000 mrem
1 rem = 1000 mrem

How to convert rems to millirems

Multiply the number of rems by 1000 to get millirems.

The exact factor is 1000 .

Rem: Röntgen equivalent man: 100 rem = 1 Sv. Still standard in US regulations.

Millirem: A chest X-ray is roughly 10 mrem, i.e. 0.1 mSv.

Rem to Millirem conversion table

Rems (rem) Millirems (mrem)
1 rem 1000
2 rem 2000
3 rem 3000
5 rem 5000
10 rem 10 000
20 rem 20 000
25 rem 25 000
50 rem 50 000
100 rem 100 000
250 rem 250 000
500 rem 500 000
1000 rem 1 000 000

Millirem to Rem conversion table

Millirems (mrem) Rems (rem)
1 mrem 0.001
2 mrem 0.002
3 mrem 0.003
5 mrem 0.005
10 mrem 0.01
20 mrem 0.02
25 mrem 0.025
50 mrem 0.05
100 mrem 0.1
250 mrem 0.25
500 mrem 0.5
1000 mrem 1

Frequently asked

How many millirems are in a rem?

One rem equals 1000 millirems (rem → mrem). That figure is exact, not rounded.

How do you convert rems to millirems?

Multiply the number of rems by 1000 to get millirems.

What is 1 mrem in rems?

One millirem is 0.001 rems.

What is 10 rem in mrem?

10 rem = 10 000 mrem.

What exactly is a rem?

Röntgen equivalent man: 100 rem = 1 Sv. Still standard in US regulations.

What exactly is a millirem?

A chest X-ray is roughly 10 mrem, i.e. 0.1 mSv.

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