Clues Across:

1.	A milestone for wealth is being one of these (11)
5.	Abbreviation of this linear measurement is cm. (10)
6.	Rainfall is measured in this unit (10)
12.	A thousand years (10)
16.	A thousand billion (8)
17.	A 100 years (7)
20.	Monetary measure (6)
22.	A thousand million (7)
23.	A thousand kilograms (5)
24.	A thousandth of a second (11)
25.	Ten years (6)

Clues Down:

2.	Travel distances are normally measured in these units of length (9)
3.	Creature with supposedly 100 legs (9)
4.	A person who is 100 years old (11)
5.	A Roman soldier (9)
7.	A thousandth part of a kilogram (4)
8.	Builders normally measure length in metres or this smaller unit of (10)
9.	A hundredth part of a dollar (5)
10.	Annual measurement of time (4)
11.	Ten times ten (7)
13.	A small creature with many legs and parts (9)
14.	A double century celebration (11)
15.	A linear measurement of 100 centimetres (5)
18.	Ten hundreds (8)
19.	A thousand thousands (7)
21.	A liquid measurement (5)