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UK Annual Investment Allowance AIA Calculator
Tax relief from the annual investment allowance.
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Tax relief from the annual investment allowance.
UK Annual Investment Allowance AIA Estimator
Enter your numbers below for an instant estimate.
0
π‘ Tip: Relief = min(spend, AIA) x tax rate
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
UK Quick Guide
Typical values for reference.
| Qualifying spend (GBP) | AIA limit (GBP) | Corporation tax rate (%) | Tax relief |
|---|---|---|---|
| 80000 | 1000000 | 25 | Β£20,000.00 |
| 1500000 | 1000000 | 25 | Β£250,000.00 |
| 15000 | 1000000 | 19 | Β£2,850.00 |
| 400000 | 1000000 | 25 | Β£100,000.00 |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
UK Annual Investment Calculator FAQ
Answers to common questions about this calculator.
It uses the formula shown with your inputs. Real conditions vary, so treat it as a guide.
Relief = min(spend, AIA) x tax rate
It is an estimate based on the inputs you enter. Check real quotes, labels or official guidance for important decisions.
Yes. Replace each input with your own figures and the result updates instantly.