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Contact Us

Craft Calculators is owned and operated by Sparkbuilt Labs, LLC. Craft Calculators is the public name of this calculator website, not a separate legal entity.

Questions, corrections, calculator requests, privacy requests, affiliate questions, legal notices, and business inquiries are welcome. Reach us at hello@craftcalculators.com.

Please include the calculator page, the inputs you used, and what you expected to see if you are reporting a formula or content issue.