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Unit Prefixes for Time

A. Write out each of these times in seconds.

1) 1000 ms = 1 s

2) 300 ms = 0.3 s

3) 12 000 ms = 12 s

4) 48 ms = 0.048 s

5) 7 ms = 0.007 s

6) 9.05 ms = 0.009 05 s

7) 1 ks = 1 000 s

8) 1 m s = 0.000 001 s

9) 1000 m s = 0.001 s

10)358 m s = 0.000 358 s

11)358 ms = 0.358 s

12)358 ks = 358 000 s

B. Write these times in milliseconds (ms).

1) 1 s = 1 000 ms

2) 10 s = 10 000 ms

3) 4 s = 4 000 ms

4) 0.1 s = 100 ms

5) 0.01 s = 10 ms

6) 0.001 s = 1 ms

7) 0.000 1 s = 0.1 ms

8) 1 m s = 0.001 ms

9) 1000 m s = 1 ms

C. Write each time in microseconds (s).

1) 1 s = 1 000 000 ms

2) 0.1 s = 100 000 ms

3) 0.01 s = 10 000 ms

4) 0.001 s = 1 000 ms

5) 0.000 1 s = 100 ms

6) 0.000 01 s = 10 ms

7) 0.000 001 s = 1 ms

8) 1 ms = 1000 ms

9) 0.1 ms = 100 ms