W‑4 Withholding Estimator – Online Simple Tax Refund Checker
Enter income, pay frequency, and expected deductions to estimate your tax refund or balance due. Simplified model.
UD5 Toolkit
Enter income, pay frequency, and expected deductions to estimate your tax refund or balance due. Simplified model.
Enter your UK tax code and see an explanation of what the numbers and letters mean. Simple educational reference. No data stored.
Enter total bill, tip %, tax amount, and number of people. Instantly see what each person owes. Handles uneven splits too. No data saved.
Quick eligibility estimator for Canadian GST/HST credit and climate action incentive based on income and family size. For informational purpose only.
Divide a total bill among multiple people considering tax and service fees. See exactly who pays what.