Time and payroll
Timesheets, pay and hours, converted and checked.
Type what you need to work out. You get the answer, every step behind it, and the full tool if you want to go further. No signup, and nothing leaves your browser.
Quick answer: Anchor AI Tools is a free collection of 65 online calculators and PDF tools for payroll time, home projects, tax, life insurance and business. Each calculator shows its formula and a worked example, and the PDF tools process files in your browser instead of uploading them.
Tools are grouped by the task in front of you, not by maths type. Start with the most useful three, or open the full list.
Timesheets, pay and hours, converted and checked.
Measure a space, then price the job.
Income tax, life insurance cover, payments and state-specific taxes.
Margins, manufacturing costs and workforce rates.
Every file is processed in your browser. Nothing is uploaded.
Check how a page is set up for search.
A free, working disposable inbox you can use right now.
The pages people reach most often from Google. Payroll time conversion brings in more visitors than anything else.
All 67 tools on one page. Each one opens straight to a working calculator or file tool.
Every calculator page follows the same rules before it goes live. They are written out in full in our editorial standards.
Worked example: 8 hours 20 minutes as decimal hours
Each tool explains its method in plain words, so you can repeat the sum yourself or show it to a manager or client.
Every calculator is checked against its worked example before publishing and again after each change.
PDF tools run on PDF.js and pdf-lib inside your browser tab. Documents are never sent to a server.
Longer walkthroughs for when you need the method, the Excel formula, or a way to explain it to someone else.
New tools and guides are added on a steady schedule, and older pages are re-checked as rules and prices change.
Five PDF tools that run in the browser: Sign PDF, Watermark PDF, Add Page Numbers, Annotate PDF and Fill PDF Form.
Payroll: Payroll Calculator, Salary to Hourly, Bonus Tax and a guide to overtime pay.
Vehicle fees: Texas Auto Tax, Title and License and a state-by-state registration estimator.
Business costs: Gross Margin, COGM and Total Manufacturing Cost, with guides to markup and COGS.
Rotate PDF added for fixing sideways scans.
Yes. Every calculator, converter and PDF tool is free, with no account, no trial and no watermark on PDF output.
No. The PDF tools open and change your file inside your browser tab using PDF.js and pdf-lib. The document is not sent to a server or stored.
Each calculator shows its formula and a worked example so you can check the result by hand. Cost and tax tools give planning estimates, so confirm final figures with the relevant tax office, lender or contractor.
Divide the minutes by 60 and add the result to the whole hours. For example, 8 hours 20 minutes is 8 + 20 ÷ 60 = 8.33 hours.
Yes. The box at the top understands simple requests such as 20 minutes in decimal, 15% of 240, 12 x 14 ft or 7:45 to decimal, and shows the answer with its working plus a link to the full calculator.
Email hello@anchoraitools.com with the page address and what looks wrong. Reported errors are checked and the page is corrected and re-dated.
Calculators on Anchor AI Tools give estimates for planning purposes. Tax, mortgage, payroll and cost results depend on rules and prices that change, so confirm final figures with a qualified professional or the relevant authority before making a decision.