Is this medical or tax advice?

No. Due dates, TDEE, and paycheck outputs are estimates; consult clinicians, IRS guidance, or payroll for official figures.

Do marketplace fees change?

Platforms update fee tables; treat results as planning approximations and verify on seller dashboards.

Yes for concrete, tile, and mulch — many pros add 5–10% beyond raw calculator output.

Formulas apply standard published equations or fee schedules in client-side JavaScript — not personalized medical or tax advice.

Net ≈ sale + shipping − (listing + % transaction + processing + ads).

Enter measurements or body stats in the units shown (toggle ft/in vs metric if available).
Select presets such as activity level, fee tier, or coat count.
Submit or live-update to refresh results.
Write down outputs with a margin buffer for waste, taxes, or medical variance.

Concrete numbers and cases you can check against the tool above.

Listing, 6.5% transaction, 3% + $0.25 processing, and 15% offsite ads on a promoted sale — net drops fast below $30.

Handmade pricing must cover fees plus materials; underestimating Etsy cuts erodes margin.

This tool runs entirely in your browser. Your data never leaves your device — nothing is uploaded to our servers.

Is this medical or tax advice?: No. Due dates, TDEE, and paycheck outputs are estimates; consult clinicians, IRS guidance, or payroll for official figures.
Do marketplace fees change?: Platforms update fee tables; treat results as planning approximations and verify on seller dashboards.
Should I add waste factor?: Yes for concrete, tile, and mulch — many pros add 5–10% beyond raw calculator output.