Illustration of a square, rectangle, circle, triangle, and a small blueprint-style plot plan.

Area

Area units

Edit any field; all others stay in sync. Uses the international statute mile (1609.344 m), yard, foot, and inch (exact SI definitions), the international acre (4840 yd²), and the hectare (10,000 m²).

1 km² = 1,000,000 m². 1 mi² = (1609.344 m)² (international statute mile). 1 yd = 0.9144 m1 yd² = 0.83612736 m². 1 ft = 0.3048 m1 ft² = 0.09290304 m² (1 yd² = 9 ft²). 1 in = 0.0254 m1 in² = 0.00064516 m² (1 ft² = 144 in²). 1 cm² = 0.0001 m²  ·  1 mm² = 10⁻⁶ m². 1 acre = 4840 yd²4046.8564224 m². 1 ha = 10,000 m².