Advanced Marine Electrics and Electronics Troubleshooting A Manual for Boatowners and Marine Technicians

APPENDIX A

200

Metric Equivalents

English to Metric Metric to English

Multiply By To Get Multiply By To Get

LENGTH

Inches 25.4 Millimeters Millimeters 0.0394 Inches

Inches 2.54 Centimeters Centimeters 0.3937 Inches

Inches 0.0254 Meters Meters 39.37 Inches

Feet 30.48 Centimeters Centimeters 0.0328 Feet

Feet 0.3048 Meters Meters 3.281 Feet

Yards 0.9144 Meters Meters 1.094 Yards

Miles 1.609 Kilometers Kilometers 0.6215 Miles

AREA

Inches^2 645.16 Millimeters^2 Millimeters^2 0.00155 Inches^2

Inches^2 6.4516 Centimeters^2 Centimeters^2 0.155 Inches^2

Feet^2 929.03 Centimeters^2 Centimeters^2 0.00108 Feet^2

Feet^2 0.0929 Meters^2 Meters^2 10.764 Feet^2

Ya r d s^2 8361.3 Centimeters^2 Centimeters^2 0.00012 Yards^2

Ya r d s^2 0.8361 Meters^2 Meters^2 1.196 Yards^2

Miles^2 2.59 Kilometers^2 Kilometers^2 0.3861 Miles^2

VOLUME

Inches^3 16.387 Millimeters^3 Millimeters^3 6.1 x 10–5 Inches^3

Inches^3 16.387 Centimeters^3 Centimeters^3 0.061 Inches^3

Feet^3 0.0283 Meters^3 Meters^3 35.33 Feet^3

Ya r d s^3 0.7646 Meters^3 Meters^3 1.308 Yards^3

ENERGY

Ergs 10–7 Newton-meters Newton-meters 10^7 Ergs

Joules 1 Newton-meters Newton-meters 1 Joules

Joules 10^7 Ergs Ergs 10–7 Joules

Joules 0.2389 Calories Calories 4.186 Joules

Joules 0.000948 Btu Btu 1,055 Joules

Joules 0.7376 Foot-pounds Foot-pounds 1.356 Joules

Calories 0.00397 Btu Btu 252 Calories

Joules/see 3.41 Btu/hr Btu/hr 0.293 Joules/see

Btu/hr 252 Calories/hr Calories/hr 0.00397 Btu/hr

Horsepower 746 Watts Watts 0.00134 Horsepower

F° 0.556 C° C° 1.8 F°

°F 0.556 (°F – 32) °C °C 1.8 x °C + 32 °F

Reprinted with permission from Boatowner’s Illustrated Electrical Handbook,second edition, by Charlie Wing

Copyright © 2007 by Edwin R. Sherman. Click here for terms of use.