Contact us
Found a number that looks off, want a calculator we don’t have yet, or want to work together? We want to hear it — accuracy is the whole point of this site.
The best way to reach us is hello@sizethejob.com. We read every message.
Reporting a correction
If a density, formula, or result looks wrong, tell us which calculator and what you expected, and include a source if you have one. We take corrections seriously and update the shared data file (and every calculator that uses it) when a figure is genuinely off.
About the publisher
SizeTheJob is built and maintained by Boringhaus, a small independent studio making simple, useful web tools.