Calculators

UK Tax & Mileage Calculators

Estimate self-employed tax, mileage claims, taxi/private hire side income tax,
and compare mileage method vs actual vehicle expenses.

Self-Employed Tax Calculator

Estimate Income Tax, Class 4 National Insurance, take-home profit and
monthly tax set-aside.






Use this if you also have PAYE, rental or other taxable income.
Taxable profit£0.00
Income Tax on profit£0.00
Class 4 NI£0.00
Total tax & NI£0.00
Estimated take-home£0.00
Monthly tax pot£0.00

Estimate only. Excludes payments on account, student loan, pension relief,
VAT and accountant adjustments.

Mileage Expense Calculator

Estimate your allowable mileage claim using HMRC simplified mileage rates.



First band claim£0.00
Additional mile claim£0.00
Total mileage claim£0.00

Car/van: 45p per mile for the first 10,000 business miles, then 25p.
Motorcycle: 24p. Bicycle: 20p.

Taxi / Private Hire Side Income Calculator

For drivers with a PAYE job plus Uber, Bolt, local taxi, private hire or
airport transfer income.







Uses 45p first 10,000 miles and 25p after for car/van.


Use if claiming actual allowable costs instead of mileage.
Claimed expenses£0.00
Taxi taxable profit£0.00
Extra Income Tax due£0.00
Class 4 NI£0.00
Total tax/NI£0.00
Monthly tax pot£0.00
Taxi take-home£0.00
Effective tax rate0.0%
Total income before tax£0.00
This estimates the extra tax created by self-employed taxi profit on top
of PAYE salary. It does not include student loan, VAT, payments on account,
pension relief, capital allowances or accountant adjustments.

Mileage Method vs Actual Expenses Calculator

Compare HMRC mileage claim against actual vehicle expenses to see which gives
the bigger deduction.




Fuel, insurance, repairs, servicing, MOT, tax and other costs.


Adjust if the vehicle is also used personally.
Mileage method claim£0.00
Actual expenses claim£0.00
Better option–
Extra deduction£0.00
Tax saving at 20%£0.00
Tax saving at 40%£0.00
Note: once you choose the mileage method for a vehicle, you usually continue
using it for that vehicle. This calculator is only an estimate.

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