Contact & corrections
A calculation looking off? We want the numbers to add up.
Send a correction or suggestion
Contact Jon Osmond / Osmond Interactive at the address below. This is an email link, not a form that stores your message on this website.
Help us reproduce the issue
Include the tool name, your measurements, the displayed result, and why you think it differs. Use Copy link on a calculator to include its settings. Avoid sending private addresses, financial details or other sensitive information.
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