Welcome to CrowdCalc

One place for the everyday math behind any plan.

CrowdCalc makes free, friendly calculators for the things we all plan: parties, home projects, trips and splitting the bill.

Pick a calculator, fill in a few details, and get numbers you can use. No account needed.

Live now

Parties & Food

FREE

BBQ Party Planner

How much meat to buy, a shopping list and a plan for your cook day.

Plan my BBQ
FREE · NEW

Thanksgiving & Friendsgiving Planner

Turkey size, thaw dates, cook times, sides, pies and drinks for your table.

Plan my Thanksgiving
FREE · NEW

Game Day Planner

Wings, snacks and drinks for the big game.

Plan my game day

Coming soon

Calculators we’d like to build next. These aren’t built yet.

Parties & Food

Home Projects

Trips

Money

Which calculator should we build next?

Tell us what you're trying to figure out and we'll consider building it.

What would you like help calculating? Use 5–2,000 characters.

Leave this blank if you'd rather not share it. We don't promise a reply.

We collect your idea and, if you provide it, your email address. Your submission is emailed to us via Cloudflare. The form adds no tracking or cookies, and we won't add you to any list. We use your idea only to decide what to build next. We never share it or add you to a list. Please don't include sensitive information.