Last updated: August 2026
DM Calculators collects almost no personal data. Calculator inputs stay in your browser. Analytics and ads use cookies only after consent where required. Contact us to manage your data.
DM Calculators runs almost entirely in your browser. The values you enter into a calculator are processed on your device and are not transmitted to us, stored in a database, or linked to your identity. We do not offer accounts, so we do not collect names, email addresses or passwords unless you choose to contact us by email.
Like nearly all websites, our hosting provider may keep short-lived server logs that include IP addresses and request details for security and abuse prevention. These logs are not used to build profiles of visitors.
We use Google Analytics 4 to understand aggregate usage — which calculators are visited and used. Analytics is loaded only after you consent where consent is required. We never send the numbers you type into a calculator to analytics; events record only that a calculator was used.
The site is supported by advertising served through Google AdSense. Google and its partners may use cookies or device identifiers to serve and measure ads, including personalized ads where permitted. See our Cookie Policy for details. You can opt out of personalized advertising in Google Ads Settings and via aboutads.info.
Depending on where you live (for example under the GDPR or CCPA), you may have rights to access, correct or delete personal data held about you. Because we hold essentially no personal data, most requests concern the ad and analytics providers listed above; we will help route any request appropriately. Contact us via the contact page.
The site is intended for a general audience and is not directed at children under 13. We do not knowingly collect personal information from children.
If this policy changes materially, we will update the “Last updated” date above before the change takes effect.