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Circle Calculator
Please provide any value to calculate the rest.
Radius (r):
mm (millimeter)
cm (centimeter)
m (meter)
km (kilometer)
in (inch)
ft (foot)
yd (yard)
mi (mile)
nmi (nautical mile)
Diameter (d):
mm (millimeter)
cm (centimeter)
m (meter)
km (kilometer)
in (inch)
ft (foot)
yd (yard)
mi (mile)
nmi (nautical mile)
Circumference (c):
mm (millimeter)
cm (centimeter)
m (meter)
km (kilometer)
in (inch)
ft (foot)
yd (yard)
mi (mile)
nmi (nautical mile)
Area (A):
m² (Square Meter)
km² (Square Kilometer)
cm² (Square Centimeter)
mm² (Square Millimeter)
μm² (Square Micrometer)
ha (Hectare)
mi² (Square Mile)
yd² (Square Yard)
ft² (Square Foot)
in² (Square Inch)
ac (Acre)
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