Feedback, corrections, and calculator suggestions.
If something seems unclear, missing, or worth improving, send a note. The best feedback includes the calculator name and the numbers you entered.
Contact RightSizeTools
Have feedback, found a calculation issue, or want to suggest a new calculator?
[email protected]For calculator corrections
To help review an issue, please include:
- The calculator page you were using.
- The inputs you entered, including units.
- What result looked confusing, incomplete, or incorrect.
- Any product label, rating, manufacturer data, or source that may help verify the issue.
Calculator suggestions
Suggestions are welcome, especially for practical sizing, quantity, buying, or planning problems that people commonly get wrong.
Please do not send sensitive personal, financial, medical, legal, or confidential information through this contact address. RightSizeTools provides planning estimates only and cannot provide project-specific engineering, code, legal, medical, financial, or professional advice.