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International System of Units
The International System of Units (abbreviated SI from the French le Système international d'unités) is the modern form of the metric system and is generally a system of units of measurement devised around seven base units and the convenience of the number ten. It is the world's most widely used...
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Hectare
A hectare (symbol ha, pronounced /ˈhɛktɛər/) is a unit of area equal to 10,000 square metres (107,639 sq ft), or one square hectometre (100 metres, squared), and is commonly used for measuring land area.
Its base unit, the are, was defined by older...
Measurement System:
View entire collection »Area In Square Meters:
- 10,000 m² (107640 ft² )
Square kilometer
Square kilometre, symbol km, is a decimal multiple of the SI unit of surface area, the square metre, one of the SI derived units. 1 km is equal to:
Conversely:
Note: "km" means (km), square kilometre or kilometre squared, and not k(m), kilo–square...
Measurement System:
Area In Square Meters:
- 1,000,000 m² (10763920 ft² )
Square meter
The square metre (also spelled square meter, see spelling differences) is the SI derived unit of area, with symbol m (33A1 in Unicode). It is defined as the area of a square whose sides measure exactly one metre. The square metre is derived from the...
Measurement System:
Area In Square Meters:
- 1 m² (11 ft² )
