Template which rounds it's argument to an integer, rounding halves to the closest even integer.
No rounding:
{{RoundToEven|1}}: 2
{{RoundToEven|2}}: 4
{{RoundToEven|3}}: 6
Normal rounding:
{{RoundToEven|0.4}}: 0.8
{{RoundToEven|0.6}}: 1.2
{{RoundToEven|1.5}}: 3
{{RoundToEven|3.5}}: 7
Rounding to even:
{{RoundToEven|0.5}}: 1
{{RoundToEven|2.5}}: 5
{{RoundToEven|4.5}}: 9
{{RoundToEven|6.5}}: 13