Conversions between metric and imperial systems  Unit Conversion
Conversions between metric and imperial systems
We know there are two main systems of measurement: metric and imperial systems. It's handy and sometimes even important to know how to convert between the metric and imperial systems to avoid any misunderstanding and confusion.
Basic concepts:
 Metric systems
 Imperial systems
Lessons
Notes:
Metric → Imperial: 1 km = 0.621 mi
1 m = 1.094 yd
1 m = 3.280 ft
1 cm = 0.394 in
Imperial → Metric : 1 mi = 1.609 km
1 yr = 0.914 m
1 ft = 0.305 m
1 in = 2.54 cm

Intro Lesson

1.
Converting between imperial & metric units