Developers! The Measure of Things is pleased to be opening sign-ups for the beta version of its API, which lets you integrate comparative measurements into your own web projects. Click here to learn more.
Bluebulb Projects presents:
The Measure of Things Logo
Step 1: What kind of measurement do you want to compare?
Length Icon (Ruler)
Length
Weight (Mass) Icon (Scale)
Weight
Speed Icon (Running Man)
Speed
Time Icon (Clock)
Time
Area Icon (Floorplan)
Area
Volume Icon (Beaker)
Volume
Computer Data Icon (Laptop)
Data

Click an icon above to choose a measurement type for comparison. This space will display an explanation as you move your mouse over the icons.
Unit

Amount





391 meters per hour is about one-twentieth as as Michael Phelps.
In other words, it's 0.055913 times the of Michael Phelps, and the of Michael Phelps is 17.885 times that amount.
(at the Beijing Olympics, 2008; 200 m freestyle) (a.k.a. Michael Fred Phelps) (swimmer; 1985-)
There's more!
Click here to see how other things compare to 391 meters per hour...