# Average Speed Of Boat In Upstream Downstream Calculator

Posted by Dinesh onThis calculator calculates the **average speed of a boat, speed in downstream, speed in upstream** using speed in still water, speed of stream values.

## Average Speed Of Boat In Upstream Downstream Calculation

### Formula:

Average Speed of a Boat (km/hr) = ((a + b) x (a - b)) / a

Speed in Downstream (km/hr) = a + b

Speed in Upstream (km/hr) = a - b

a = Speed in Still Water (km/hr)

b = Speed of Stream (km/hr)