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Free tools

Free Calculators and Planning Tools

Quick, private calculators for family budgets, work hours, childcare and caregiving. No sign-up, and they work on your phone.

Frequently asked questions

Are these tools really free?

Yes. There is no sign-up, no email and no paywall. Each tool runs in your browser.

Do the tools save what I type?

No. Your numbers stay on your device and are not stored or sent anywhere.

Can I link to a tool from my site?

Yes, please do. Each tool page has a "Cite or link to this tool" box with ready-to-copy link code.

See all free tools