Everyday Life · Introduction
Unit converter
Convert length, area, mass, volume and temperature, including square feet and ping.
Updated 2026-10-25 · ThinkVault Tools
What can this tool help you do?
Convert length, area, mass, volume and temperature, including square feet and ping.
Check the purpose and assumptions, then open the tool. Return to the guide for details.
How to use it, with an example
How to use it, with an example
Select a category and units, then enter the value. For example, 100 square feet is 9.290304 square metres. Temperature accepts negative values but cannot go below absolute zero.
Method and boundaries
Linear conversions go through a common base unit. One foot = 0.3048 m; one square foot = 0.09290304 m²; one ping = 400/121 m². Temperature uses °C = (°F − 32) × 5/9 and K = °C + 273.15.
Method
Linear conversions go through a common base unit. One foot = 0.3048 m; one square foot = 0.09290304 m²; one ping = 400/121 m². Temperature uses °C = (°F − 32) × 5/9 and K = °C + 273.15.