*miniThrottle: A model railroad WiFi throttle.*

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this page contains calculations useful in building model trains, boats, cars, aircraft and buildings. These include scale conversions, speed, distance, wheel diameter and gearbox ratios. Many popular scales come from model railway building. Some of the scales use odd conversions such as 4mm (or 3.5mm) metric to the prototype's Imperial foot. G scale is shown for meter gauge, but one scale (1:32) may be useful if using standard gauge prototypes in G scale. Calculations below include:

- Optional settings: Custom scale and decimal place accuracy
- Distance / Speed Conversion: using either Miles or kilometers
- Decimal feet: convert feet and inches to feet in decimal fractions and mm equivalent
- Length Equivalents: Scale to the millimeter equivalent of the selected scale
- Wheel, speed and gearbox sizing: wheel diameters, model speeds and gearbox ratio

While the intention is to keep conversions accurate, please double check your work. We bear no responsibilty for any errors or misuse of these conversions. As calculations are perfored using metric values, there may be some "rounding error" on Imperial values, eg you need to enter 22.507 miles before the equivalent G scale value shows an actual mile representing this distance.

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