Tax Refund Calculator 2025-25

Tax Refund Calculator 2025-25. This tax return and refund estimator is for tax year 2025 and currently based on 2025/2025 tax year tax tables. Use this service to estimate how much income tax and national insurance you should pay for the current tax year (6 april 2025 to 5 april 2025).

You can calculate and estimate your 2025/25 tax return simply by entering your annual salary in the quick tax calculator below. For the most accurate refund estimate, see.