Keelsheet
Spreadsheets for self-employed money.
Quarterly taxes, done in a spreadsheet you own.
Track Schedule C income and expenses, estimate each quarterly payment and hand your CPA a clean year-end file. Google Sheets and Excel. No subscription required.
One-time purchase · Sheets + Excel · 14-day refund policy
Example estimate (illustrative inputs)
| Schedule C profit | $77,510 |
| Self-employment tax | $10,951.81 |
| Federal income tax | $4,694.47 |
| Per-quarter payment | $3,911.57 |
Single filer, $350 other income, $4,800 adjustments, standard deduction. 2027 projection using 2026 IRS figures.
What is in the kit
Quarterly Estimated-Tax Calculator
Estimate each 1040-ES payment from your year-to-date profit.
$14 $19
Schedule C Bookkeeping Ledger
Categorize income and expenses to Schedule C lines as you go.
$14 $19
Mileage & Home-Office Log
Log business miles and home-office square footage with the records the IRS expects.
$10 $14
CPA Handoff Pack
A tidy year-end summary your preparer can actually use.
$10 $14
Simple pricing
Basic Bundle
Quarterly calculator + Schedule C ledger.
Pro Kit
Everything: both tools, your job edition, the mileage log and the CPA pack.
Annual Update Plan
Next year's IRS figures, delivered when they are published. The only way to get updated figures.
Sourced numbers
Every rate links to IRS or SSA publications, with the date we last checked.
Your files, your data
Templates run in your own Google or Microsoft account. We never see your numbers.
Public changelog
See exactly what changed and when on the changelog.
Questions
Who is Keelsheet for?
US freelancers, sole proprietors and single-member LLC owners who file Schedule C and pay quarterly estimated taxes.
Do I need accounting software?
No. Everything runs in Google Sheets or Microsoft Excel. You own the files.
Is this tax advice?
No. The templates organize your records and produce estimates. Confirm with IRS.gov or a tax professional.
When do products launch?
The spreadsheets are in final QA. Join the waitlist and we will email you once at launch.
Get notified at launch
One email when the kit ships, plus the free 2027 deadline calendar. No spam; unsubscribe anytime.