About Bike Calculator

Curt Austin is the creator of this site. He is an avid cyclist, both road and MTB (Moab!). And a former manager and engineer at a major aircraft engine manufacturer. He holds a PhD in Metallurgy from Rensselaer Polytechnic Institute and has been granted 17 patents.

An old interest in photography came back with a vengence when he started taking photos at bicycle races. Several of his photos have appeared in VeloNews. He broadened his photography skills, and is now a full-time photographer in New York, Austin Image Photography.

He first posted some spreadsheets that could calculate a cyclist's speed by entering power and the other factors required. He later prepared calculators, much as you see here now, using a very early version of the Java language. These were available at a funky personal account website address for ten years.

In March, 2008 - towards the end of a long, cold, dark and snowy winter in the Adirondack Mountains - he converted the old Java calculators to JavaScript, registered bikecalculator.com, and started this slick version. Obsessed as he is with numbers, he plans to add more cycling-related calculators as time goes by.

He hopes visitors will help defray the expenses of this site by checking out the Amazon products he's identified. He also hopes you'll help improve the site with suggestions and feedback.

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SPEED from Power, Metric units
SPEED from Power, US units

SPEED from Power, all numeric,

POWER from Speed, Metric units
POWER from Speed, US units

Six segments, Power-Metric
Six segments, Power-US

About BikeCalculator.com