Convert sieverts to rems

1 Sv = 100 rem — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

100rem
✓ Exact 1 Sv = 100 rem
More converter tools

Readable results

Ranges, ± tolerances, feet/inches and clock durations work in the value field.

Unit picker

Export this result

1 Sv = 100 rem
Show this value in all 7 equivalent dose units
  • Sieverts Sv 1
  • Millisieverts mSv 1000
  • Microsieverts µSv 1 000 000
  • Nanosieverts nSv 1 000 000 000
  • Rems rem 100
  • Millirems mrem 100 000
  • Microrems µrem 100 000 000

Every row is Sievert (Sv) converted through the sievert, in exact rational arithmetic.

How to convert sieverts to rems

Multiply the number of sieverts by 100 to get rems.

The exact factor is 100 .

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

Sievert to Rem conversion table

Sieverts (Sv) Rems (rem)
1 Sv 100
2 Sv 200
3 Sv 300
5 Sv 500
10 Sv 1000
20 Sv 2000
25 Sv 2500
50 Sv 5000
100 Sv 10 000
250 Sv 25 000
500 Sv 50 000
1000 Sv 100 000

Rem to Sievert conversion table

Rems (rem) Sieverts (Sv)
1 rem 0.01
2 rem 0.02
3 rem 0.03
5 rem 0.05
10 rem 0.1
20 rem 0.2
25 rem 0.25
50 rem 0.5
100 rem 1
250 rem 2.5
500 rem 5
1000 rem 10

Frequently asked

How many rems are in a sievert?

One sievert equals 100 rems (Sv → rem). That figure is exact, not rounded.

How do you convert sieverts to rems?

Multiply the number of sieverts by 100 to get rems.

What is 1 rem in sieverts?

One rem is 0.01 sieverts.

What is 10 Sv in rem?

10 Sv = 1000 rem.

What exactly is a rem?

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

Related conversions

Settings

Theme

System follows your operating system and changes with it.

Text size
High contrast

Maximises text and border contrast and removes the grid background.

Graph-paper background

Round to
Notation
Thousands separators
Decimal mark
Nearest fraction

Shows the result as the nearest tape-measure fraction, with the error it costs.


Accessibility & interaction
Reduce motion Stops interface animations even when the operating system does not.
Underline links Keeps links visually distinct without relying on colour.
Larger touch targets Makes buttons and form controls easier to tap.
Shorter reading lines Limits article width for easier scanning.
Monochrome display Removes colour as an information cue.
Always-visible focus Makes the keyboard focus ring persistent and stronger.
Verbose screen-reader results Announces the complete conversion equation.
Sticky action bars Keeps converter and calculator actions within reach.
Select values on focus Replaces a value immediately when you start typing.
Left-handed mobile layout Moves key mobile actions toward the left thumb.

Your data

Settings, recent conversions and favourites live in this browser only. Nothing is sent anywhere.

Offline library