Each calculator also includes formula notes and FAQs so tool pages are not estimate-only. Live tools: mileage 2026, CA overtime, 1099 vs W-2, and sales tax. See the calculators hub for live tools and what’s coming later.
Guides
Guides hub
Long-form explainers for IRS mileage 2026, California overtime, contractor paperwork, sales tax, and paycheck basics. All 12 guides are live.
- 1. IRS standard mileage rates 2026 — why there are two periodsPublished
- 2. Business vs medical vs charity mileagePublished
- 3. How to keep a mileage log that survives questionsPublished
- 4. How California daily overtime worksPublished
- 5. Double time in California: when 2× kicks inPublished
- 6. Common California overtime mistakesPublished
- 7. 1099 vs W-2: taxes and paperworkPublished
- 8. Estimated quarterly taxes for freelancers (intro)Published
- 9. Sales tax vs use tax — SMB basicsPublished
- 10. Reading a paycheck: gross vs netPublished
- 11. Federal paycheck withholding basics (Pub 15-T)Published
- 12. When a calculator is wrongPublished