Better with
hi-res monitor.
RELATIVITY CALCULATOR
Requires
JavaScript 1.5


Velocity:    c fraction   Km/s   mi/s

REFERENCE FRAME A IDENTICAL OBJECTS
ARE IN BOTH FRAMES
REFERENCE FRAME B

Place observer here Uses the values in the row the button is on to calculate the column.
Place observer here



(0 = parallel to observation, 90 = perpendicular)
Frame motion angle (degrees):
Speed of light (c):
Speed of light (c):
Rest frame velocity:
0
Frame velocity (+ is away):
Time interval:
Time interval:
Object length:
Object length:
Object mass:
Object mass:
Object momentum:
Object momentum:




Timespeed*:
Timespeed*:
c-vector* magnitude:
c-vector* magnitude:
c-vector* angle (degrees):
0 = time, + is away
c-vector* angle (degrees):
Inline* portion:
0 = none, 1 is all
Inline* portion:
Quadrature* portion:
0 = none, 1 is all
Quadrature* portion:
g-vector* angle (isolated):

g-vector* angle (isolated):
* From the author's forthcoming book: Relativity: As Easy as π