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Speed conversion

Convert travel and flow speeds.

How this works

Multiply by the source unit’s base-unit factor, then divide by the destination factor.

Example

Using the example inputs, converted amount is 1.609344 km/h.

Amount
1
From
Miles per hour
To
Kilometers per hour
Converted amount
1.609344 km/h

Scope and assumptions

Unit definitions are explicit; no live rates.

NIST SI conversion guidance

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