Utility Calculators

Fast, responsive calculators to help with day-to-day math, networking, and training tasks. Built with a cohesive dark theme that adapts well on phones or desktops.

Percentage Calculator

Find percentage breakdowns, compare values, and measure increases or decreases.

Pace Converter

Convert running pace to km/h, reverse the calculation, or compute pace from distance and time.

CIDR Calculator

Quickly understand IP ranges, subnet counts, and first/last usable addresses.