NPS Score Calculator

NPS Score is evaluated from Promoters, Passives and Detractors. The calculation reports Total Responses, Promoters% and Passives%.

Results

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About the NPS Score Calculator

NPS Score is treated here as a quantitative relation between Promoters, Passives and Detractors and Total Responses, Promoters%, Passives% and Detractors%.

The calculator uses a multi formula configuration. Each reported value is read as a direct evaluation of the stored rules with the declared field formats and units.

Formula basis:
NPS =% Promoters -% Detractors% = (count / total responses) x 100

Interpret the outputs in the order shown by the result fields. Optional inputs affect only the outputs that depend on those variables.

Formula & How It Works

The calculation applies the following relations exactly as recorded in the metadata:

NPS =% Promoters -% Detractors% = (count / total responses) x 100

Each output field is produced by substituting the supplied inputs into the relevant relation and then applying the declared rounding or text format.

Worked Examples

Example 1: SaaS product: quarterly survey — 120 promoters, 65 passives, 15 detractors

Inputs

promoters: 120 passives: 65 detractors: 15
Total Responses: 200. Promoters%: 60%. Passives%: 32.5%. Detractors%: 7.5%. Net Promoter Score: 53

With Promoters = 120, Passives = 65 and Detractors = 15 as the stated inputs, the result is Total Responses = 200, Promoters% = 60% and Passives% = 32.5%. Each value corresponds to the declared output fields.

Example 2: Restaurant chain: monthly survey 45 promoters, 30 passives, 25 detractors

Inputs

promoters: 45 passives: 30 detractors: 25
Total Responses: 100. Promoters%: 45%. Passives%: 30%. Detractors%: 25%. Net Promoter Score: 20

With Promoters = 45, Passives = 30 and Detractors = 25 as the stated inputs, the result is Total Responses = 100, Promoters% = 45% and Passives% = 30%. Each value corresponds to the declared output fields.

Example 3: Apple iPhone — world-class: 720 promoters, 200 passives, 80 detractors (hypothetical 1,000 respondents)

Inputs

promoters: 720 passives: 200 detractors: 80
Total Responses: 1,000. Promoters%: 72%. Passives%: 20%. Detractors%: 8%. Net Promoter Score: 64

With Promoters = 720, Passives = 200 and Detractors = 80 as the stated inputs, the result is Total Responses = 1,000, Promoters% = 72% and Passives% = 20%. Each value corresponds to the declared output fields.

Example 4: Healthcare provider: patient satisfaction survey — 185 promoters, 40 passives, 25 detractors

Inputs

promoters: 185 passives: 40 detractors: 25
Total Responses: 250. Promoters%: 74%. Passives%: 16%. Detractors%: 10%. Net Promoter Score: 64

With Promoters = 185, Passives = 40 and Detractors = 25 as the stated inputs, the result is Total Responses = 250, Promoters% = 74% and Passives% = 16%. Each value corresponds to the declared output fields.

Common Use Cases

  • Calculate NPS from survey response counts
  • Track NPS trends over time
  • Benchmark NPS score against industry averages