PayoutMath
US · 2026

What you actually take home after fees and tax.

Honest US earnings calculators for sellers, creators, and side-hustlers. Etsy, eBay, Amazon, Spotify, YouTube, IRS self-employment — all in one place.

Marketing metrics 3 calculators

ROAS, CTR, conversion rate — the numbers that tell you whether your ads are actually working.

  • ROAS calculator

    Real ROAS, breakeven floor, and target ROAS for sustainable ad spend. Etsy/Pinterest/Meta/Amazon Ads.

  • CTR calculator

    Click-through rate with platform benchmarks across Search, Display, Meta, email.

  • Conversion rate

    Conversion rate with UK benchmarks across e-commerce, SaaS, B2B lead gen.

Pricing 2 calculators

Margin and markup for sellers — work out the right price from your cost and target profit.

  • Margin

    Profit margin and markup % from cost and revenue. The difference matters — both shown.

  • Markup

    Markup % from cost and selling price. Includes the matching margin %, so you can see both views.

Why this site

Built by someone who actually uses these platforms

Sources cited, dates verified

Every fee and tax band links to the official source. Every page shows when the data was last verified and when it'll next be reviewed.

No email walls, no signup, no ads

Free, instant, mobile-first. No cookie banner because we don't set cookies. Plausible-grade analytics, fully GDPR-clean.

Proper US maths

Federal tax brackets. FICA caps. Schedule SE deduction. Standard deduction. The 1099-K thresholds. The bits other calculators get wrong.