Lawful basis

The calculator uses the numbers you enter. With 4 basis, 3 consent, 4 purpose, 3 ROPA the result is Lawful basis documentation index: 63 / 100. This is not legal advice.

This is not legal advice. API exposure is on API exposure.

Data

Result

Enter data.

How it works

Lawful basis in this calculator is the mean of four 1 to 5 scores, then a 0 to 100 scale. With 4 basis, 3 consent, 4 purpose, 3 ROPA the result is Lawful basis documentation index: 63 / 100.

index = mean(map15) × 100. The formula uses consent and ROPA.

63 / 100 is not legal advice. Another set of numbers gives 25 / 100, and a further set gives 94 / 100. Empty optional fields do not change the result.

API exposure answers a different question. Fairness gap does too. Here 4 basis, 3 consent, 4 purpose, 3 ROPA leave 63 / 100.

Type 4 basis, 3 consent, 4 purpose, 3 ROPA and click Calculate. Two more ready sets sit under the form: 25 / 100 and 94 / 100.

Other numbers on the same labels move the result. The first example gives 63 / 100.

Formula

index = mean(map15) × 100.

How to use

  1. Type 4 basis, 3 consent, 4 purpose, 3 ROPA.
  2. Leave optional fields empty if you do not want them in the result.
  3. Click Calculate. This set shows Lawful basis documentation index: 63 / 100.
  4. The second example under the result is Lawful basis documentation index: 25 / 100, the third Lawful basis documentation index: 94 / 100.
  5. This is not legal advice.

Lawful basis = Lawful basis documentation index: 63 / 100

With 4 basis, 3 consent, 4 purpose, 3 ROPA the result is Lawful basis documentation index: 63 / 100. This is not legal advice.

Lawful basis
Lawful basis is this calculator's result. The first example is Lawful basis documentation index: 63 / 100.
consent
The formula includes consent. The second example gives 25 / 100.
ROPA
The formula includes ROPA. The second example gives 25 / 100.

Examples

Example 1

  • 4 basis
  • 3 consent
  • 4 purpose
  • 3 ROPA

Lawful basis documentation index: 63 / 100

With 4 basis, 3 consent, 4 purpose, 3 ROPA the result is Lawful basis documentation index: 63 / 100. This is not legal advice.

Example 2

  • 2 basis
  • 2 consent
  • 2 purpose
  • 2 ROPA

Lawful basis documentation index: 25 / 100

With 2 basis, 2 consent, 2 purpose, 2 ROPA the result is Lawful basis documentation index: 25 / 100.

Example 3

  • 5 basis
  • 5 consent
  • 4 purpose
  • 5 ROPA

Lawful basis documentation index: 94 / 100

With 5 basis, 5 consent, 4 purpose, 5 ROPA the result is Lawful basis documentation index: 94 / 100.

Related calculators

API exposure

API exposure: score = mean(map15) × 100.

Use calculator →

Fairness gap

Fairness gap: gap = |group A − group B|.

Use calculator →

All AI regulation calculators

Common questions

What do you get from 4 basis, 3 consent, 4 purpose, 3 ROPA?

Lawful basis documentation index: 63 / 100. This is not legal advice.

What about the second example?

Lawful basis documentation index: 25 / 100.

What about the third example?

Lawful basis documentation index: 94 / 100.

Is 63 / 100 legal advice?

No. It is the result from the numbers you enter.

Do empty fields change 63 / 100?

No. Empty optional fields do not change the result.

How is this different from API exposure?

That calculator answers another question. Here Lawful basis stays at Lawful basis documentation index: 63 / 100.

Does a comma in the number work?

Yes. A comma and a dot mean the same in a number field.

Is the result a diagnosis or official opinion?

No. The result comes from the numbers you enter. legal advice sits outside this calculator.

Do 2 basis, 2 consent, 2 purpose, 2 ROPA give Lawful basis documentation index: 25 / 100?

Yes. That is the second example under the form.

How is the 0 to 100 index calculated?

The calculator takes the mean of four 1 to 5 scores: basis documentation, consent, purpose, and ROPA. Each score is mapped to 0 to 1 with (score - 1) / 4, then the mean is multiplied by 100. In the first example the result is Lawful basis documentation index: 63 / 100.

What do the 1 to 5 scores mean?

Each field is a score from 1 to 5. 1 is low and 5 is high. The fields enter the mean with equal weight.

Is this legal advice?

No. The result is a heuristic from the scores you enter. The calculator is not legal advice and does not pick a lawful basis.

Does consent weigh more than ROPA?

No. Documentation, consent, purpose, and ROPA have the same weight in the mean.

Does 63 out of 100 mean a lawful basis?

No. The index does not find that an Art. 6 GDPR basis is correct. It only shows the mean of documentation scores.

Knowledge sources

The terms come from the GDPR. The calculator result is a sketch index, not a fine.

Page updated in 2026.