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Discover tools from different categories to expand your toolkit beyond Conversion.

Track upcoming astronomical events including meteor showers, eclipses, conjunctions, and other celestial phenomena.

Calculate the number of days between two dates or add/subtract days from a date. Free online days calculator tool.

Calculate modulo operations and remainders with clock arithmetic examples

Convert an IP address range to one or more CIDR notations that cover the entire range with our free range to CIDR calculator.