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Gift Aid Revenue Calculator

Estimate how much Gift Aid your charity could be missing. Enter your eligible donation income and declaration rate to see your gap in under 60 seconds.

Gift Aid Calculator

Your numbers

Include only donations eligible for Gift Aid. Exclude grants and memberships unless they qualify.
Please enter a valid number.
Share of eligible donors with a valid declaration on file.
Enter a value between 0 and 100.
A realistic goal after improving your donation journey.
Enter a value between 0 and 100.
Standard UK rate is 25%.
Enter a value between 0 and 50.
Simple projection with no growth assumption.
Enter a value between 1 and 10.

This tool gives an estimate only, not tax or legal advice. Gift Aid eligibility depends on HMRC requirements and your organisation's records.

Your results

Gift Aid currently claimed per year

£0

Gift Aid at target rate per year

£0

Estimated additional Gift Aid over 3 years

£0

Estimated uplift per year if you hit your target

£0

Breakdown

Metric Value
Eligible donations per year £0
Donations covered at current rate £0
Donations covered at target rate £0
Gift Aid uplift rate 25%

Declaration rate improves when the Gift Aid prompt is clear, friction is low, and donors understand what they're agreeing to. Your donation page is the biggest lever.

Want help capturing more Gift Aid on your donation pages?

Your website's donation journey directly affects how many declarations you collect. We build WordPress websites for UK charities that are designed to make Gift Aid easy for donors to say yes to.

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