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Calchorus
Free financial calculators that show every step of the math
Calchorus is 19 free financial calculators for US taxpayers, freelancers, and homeowners — 1099 and self-employment tax, quarterly estimates, Roth IRA, mortgages, and debt payoff. Every tool shows the full breakdown, not just a final number: each line of the math, the 2026 brackets behind it, and why the result moves when you change an input. Mortgage tools pull the 30-year fixed rate weekly from FRED instead of a stale figure. No account, no email, no paywall — just your answer.
Hi Product Hunt 👋
I made Calchorus — 19 free calculators for US taxes, mortgages and retirement. Other calculators just show a number. I wanted to show the steps. So every tool shows the steps behind the result. It's free. No signup, no email. Tell me if somthing not correct. That's the most useful feedback I can get. Thanks!
About Calchorus on Product Hunt
“Free financial calculators that show every step of the math”
Calchorus was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #28 on the daily leaderboard. Calchorus is 19 free financial calculators for US taxpayers, freelancers, and homeowners — 1099 and self-employment tax, quarterly estimates, Roth IRA, mortgages, and debt payoff. Every tool shows the full breakdown, not just a final number: each line of the math, the 2026 brackets behind it, and why the result moves when you change an input. Mortgage tools pull the 30-year fixed rate weekly from FRED instead of a stale figure. No account, no email, no paywall — just your answer.
On the analytics side, Calchorus competes within Productivity, Fintech and Personal Finance — topics that collectively have 714.2k followers on Product Hunt. The dashboard above tracks how Calchorus performed against the three products that launched closest to it on the same day.
Who hunted Calchorus?
Calchorus was hunted by Ethan Zhang. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Calchorus including community comment highlights and product details, visit the product overview.
Ethan Zhang