How to Track 1099 Income in a Spreadsheet
How to track 1099 income in a spreadsheet: one income log, deductible expenses on Schedule C lines, quarterly estimates, and a Schedule C prep sheet.
Tax Planning Articles
Income tax, self-employment tax, and tax-efficient investing. Articles covering tax planning topics with practical guides, calculators, and spreadsheet templates.
19 articles
How to Track Tax Deductions in a Spreadsheet
How to track tax deductions in a spreadsheet: one deduction log feeds a category summary, a schedule breakdown, quarterly totals, and a tax-impact estimate.
Q3 Estimated Tax Prep 2026 (Sept 15 Deadline Worksheet)
Q3 estimated tax prep worksheet. The September 15 deadline, YTD income calculation, safe harbor math, and how to file Form 1040-ES correctly.
Mid-Year Tax Checkup: 8 Things Worth Reviewing in June
A mid-year tax checkup with a spreadsheet: 8 areas to review in June - withholding, estimated payments, retirement and HSA pace, deductions, and life changes.
Quarterly Estimated Tax Spreadsheet: Safe Harbor Rule Explained
How to calculate quarterly estimated taxes in a spreadsheet, with the safe harbor rule, 2026 due dates, and a worked example for a freelancer earning $80,000 net.
25 Self-Employed Tax Deductions for 2026 (With Tracker Template)
25 tax deductions self-employed filers can claim in 2026, mapped to Schedule C lines: home office, vehicle, retirement, QBI, and above-the-line health insurance.
Tax Deduction Tracker in Google Sheets: Schedule A Categories, Row by Row
How to build a tax deduction tracker in Google Sheets, with Schedule A categories mapped to spreadsheet rows. Template link, worked example, 2026 standard deduction.
US Income Percentiles by Age: 2025 Census Data, Calculator
US income percentiles by age from the Census Bureau 2025 data. Free calculator, no signup, plus tables for individual and household income.
HSA Calculator: The Triple Tax Advantage Explained
Calculate HSA growth with the triple tax advantage - deductible contributions, tax-free growth, and tax-free withdrawals for medical expenses. See long-term investment potential.
Tax Drag Calculator: The Hidden Cost of Taxes on Your Investments
Calculate how tax drag reduces investment returns over time. Compare taxable vs. tax-advantaged accounts and see the real cost of annual taxes on portfolio growth.
After-Tax Return Calculator: What Your Investments Really Earn
Calculate after-tax investment returns from your own tax rates. See how taxes reduce real returns and why account selection matters for long-term growth.
Capital Gains Tax Calculator: What You Owe When You Sell Investments
Calculate capital gains tax on stocks, real estate, and other investments. Understand short-term vs. long-term rates and strategies to minimize tax impact.
Side Hustle Calculator: Your Real Profit After Taxes and Expenses
Calculate your real side hustle profit after self-employment tax, income tax, and expenses. See your actual hourly rate and whether the numbers work.
Self-Employment Tax Calculator for Freelancers
Calculate self-employment tax on freelance and business income. Understand the 15.3% rate, deductions that reduce it, and quarterly estimated payments.
Salary Converter: Annual to Hourly Calculator
Convert salary between annual, monthly, weekly, and hourly rates. Compare job offers, understand your real hourly rate, and budget with accurate income numbers.