Found a calculation that looks wrong, have an idea for a new tool, or a question about how something works? Send a message and we will get back to you, usually within two business days.
Send a message
When reporting a problem with a tool, please include the tool name and the numbers you entered, so we can reproduce it.
Other ways to reach us
Email: hello@utilityshift.com
Postal address:
UtilityShift (Dewight Campbell)
Jan Van de Capellelaan 4
4383 VC Vlissingen
The Netherlands
We cannot give personal financial, medical, tax or legal advice, but we are happy to explain how our calculators work.