MOT Cost Calculator
Estimate the total cost of an MOT by combining the test fee with likely repair work and any optional service costs.
Overview
This MOT Cost Calculator helps you estimate how much to budget for an MOT by adding the test fee, likely repair costs, any retest charge, and optional servicing. You can also choose whether your prices already include VAT so the total is closer to what you may actually pay.
How it works
The calculator adds together the MOT test fee, estimated repairs, any retest fee, and optional service cost to create a subtotal. If your prices exclude VAT, it applies the VAT rate to that subtotal and adds the tax amount to produce the final estimated total. If your prices already include VAT, you should enter VAT-inclusive figures so the result reflects what you expect to pay overall.
How to use this calculator
- 1Enter the MOT test fee charged by your chosen garage.
- 2Add any repair cost you expect may be needed to pass the test.
- 3Include a retest fee if your garage may charge one.
- 4Enter any optional service cost booked alongside the MOT.
- 5Set the VAT rate and choose whether your prices already include VAT.
- 6Review the estimated total MOT cost.
Example Calculation
MOT test fee
$55
Estimated repair cost
$120
Retest fee
$0
Optional service cost
$80
VAT rate
20%
Do your entered prices already include VAT?
no
Estimated total MOT cost
$305.82
With a £54.85 MOT fee, £120 of repairs, no retest fee, and an £80 service, the subtotal is £254.85. Adding 20% VAT gives £50.97, for an estimated total of £305.82.
Frequently asked questions
What does this MOT Cost Calculator estimate?
It estimates the total amount you may pay for an MOT appointment, including the test fee, repairs, a retest fee, optional servicing, and VAT if needed.
Does the calculator include repair costs?
Yes. You can add an estimated repair amount to see how failed items could affect your overall MOT bill.
Should I enter prices with or without VAT?
Enter the figures you have been quoted, then choose whether those prices already include VAT. This helps avoid adding VAT twice.
Does this calculator use the official MOT maximum fee?
It lets you enter any fee you want, including the current maximum test fee or a discounted local price from your chosen garage.
Can I include a service with my MOT?
Yes. Use the optional service cost field if you plan to have a service or inspection done at the same visit.
Why might my real MOT cost be different?
Actual costs can change if the vehicle fails on unexpected items, parts prices vary, or the garage applies different labour rates or retest policies.
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Assumptions and warnings
Assumptions
- The calculator assumes all entered costs use the same currency and VAT treatment.
- Results are estimates only and depend on the garage's actual pricing and any work required.
- Repair costs are based on your own estimate and may change after inspection.
- The calculation does not include insurance, road tax, fuel, or unrelated maintenance unless added manually.
Warnings
- This calculator provides an estimate only and is not professional or financial advice.
- Actual MOT and repair charges can vary between garages and depending on vehicle condition.