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

Simplify ratios and calculate equivalent ratios with conversions to fractions

Convert times between different time zones around the world. Free time zone conversion tool for international meetings and calls.

Estimate predicted lung volumes and capacity based on demographics to assess respiratory function and health.

Convert a CIDR notation to an IP address range, displaying the start and end IP addresses with our free CIDR to range converter.