Free tax guide · Updated September 27, 2026
Free Tax Refund Checklist: What to Gather Before You Estimate
A more useful tax estimate starts with complete inputs—not a guess at a refund. Use this checklist before opening a country-specific ToolsFA calculator, then keep the records nearby while you review the result.
1. Gather income records
Collect your employment records, business-income summary, investment income and any benefits or pension income that may be taxable. Enter only the income type requested by the calculator and use the annual amount where the tool asks for one.
2. Separate tax withheld from payroll deductions
Income tax withheld is not always the same as total deductions from a payslip. Keep income-tax withholding separate from payroll contributions such as CPP/EI, National Insurance, FICA, Medicare levy or pension contributions unless the calculator specifically asks for them.
3. Check deductions and credits
Record deductions you expect to claim, such as eligible retirement contributions, work expenses or donations. A deduction usually reduces taxable income; a credit generally reduces calculated tax. The exact rules vary by country.
4. Compare the estimate with your documents
A refund estimate is a planning result, not a filed return. Before relying on it, check the tax year, residence selection, filing status, withholding amount and whether the calculator describes an item as included or excluded.
Frequently asked questions
What is the most important number for a refund estimate?+
Income tax already withheld or paid is essential because a refund compares tax paid with estimated tax owing.
Should I enter every deduction?+
Enter only deductions the calculator requests and that you reasonably expect to claim. Do not use a deduction twice.