Free UK calculators
Know your numbers. Know where they come from.
Salary, tax and home energy calculators for the UK. Every result shows its working and links to the official source.
Our calculators
Salary & Employment
Pay, hours and work rights, worked out step by step.
- Hourly Wage CalculatorConvert an hourly rate to annual, monthly, weekly and daily pay, or turn a salary into an hourly rate. Gross pay, before tax.
- Minimum Wage Annual Pay CalculatorSee what the National Living Wage and National Minimum Wage add up to per year, month and week for your age and hours. Gross pay, before tax.
- Take-Home Pay CalculatorSee what you take home after Income Tax, National Insurance, student loan and pension, for England, Wales and Scotland. Every step shown.
- Pro-Rata Salary CalculatorWork out part-time pay from a full-time salary, the full-time equivalent of part-time pay, pay for part of a month or year, or term-time pay. Gross pay, before tax.
- Holiday Entitlement CalculatorWork out your statutory holiday for part-time, mid-year starters and leavers, and irregular or zero-hours work. Follows the rules of the GOV.UK calculator.
- Redundancy Pay CalculatorWork out your statutory redundancy pay the way the GOV.UK calculator does, see how much of your payment is tax-free and estimate the income tax on the rest.
- Salary Sacrifice CalculatorSee what giving up part of your salary for your pension or an electric car does to your tax, National Insurance and take-home pay, and what changes from April 2029.
Energy & Home
What your appliances, bills and energy choices really cost.
- Appliance Running Cost CalculatorEnter the power of an appliance and how long you use it to see the cost per use, week, month and year. Priced at the Ofgem price cap, or at your own rate.
- EV Charging Cost CalculatorWork out what one charge or a year of driving costs an electric car, at home or at a public charger, and compare it with a petrol car.
- Energy Bill CalculatorSee what a year of gas and electricity costs at the Ofgem price cap for your region, how you pay and how much you use, or at your own rates.
Built to be right
Official sources
Figures come from official pages such as GOV.UK, and every calculator links to them.
Checked before it goes live
Each calculator is tested against worked examples, and we say where those came from.
Dated and reviewed
Every page shows when it was last reviewed, so you know how fresh it is.