Convert fixed measurement units with clear metric and customary definitions.
Convert angular measurements without confusing a full turn with a half turn.
Open calculator1 square meter is approximately 10.76391 square feet.
Open calculator10 km is approximately 6.213712 miles.
Open calculator100 km/h is approximately 62.137119 mph.
Open calculator1 hour = 60 minutes = 3,600 seconds.
Open calculatorLength factors become squared for area. Speed combines distance with time. Fixed-duration conversion does not model calendar months or daylight-saving changes. Each converter states the underlying base unit and shows a small reference table.