---
title: "Chrome Extension NPS Promoter Referral Value Calculator | FoundrList Free Tools"
description: "Free nps promoter referral value calculator built for Chrome Extension founders: plug in your numbers, get instant 2026 benchmarks, and export a Markdown report."
ai_summary: "Chrome Extension NPS Promoter Referral Value Calculator: Free nps promoter referral value calculator built for Chrome Extension founders: plug in your numbers, get instant 2026 benchmarks, and export a Markdown report. Free browser-based social, community & outreach tool on FoundrList with instant calculations, industry benchmarks, and Markdown (.md) export."
canonical_url: "https://www.foundrlist.com/tools/chrome-extension-nps-promoter-referral-value-calculator"
markdown_url: "https://www.foundrlist.com/tools/chrome-extension-nps-promoter-referral-value-calculator.md"
category: "Social, Community & Outreach"
category_url: "https://www.foundrlist.com/tools/category/social-growth"
engine_kind: "formula-calculator"
keywords:
  - "chrome extension nps promoter referral value calculator"
  - "nps promoter referral value calculator"
  - "chrome extension social growth tool"
  - "free startup calculator"
---

# Chrome Extension NPS Promoter Referral Value Calculator

Free nps promoter referral value calculator built for Chrome Extension founders: plug in your numbers, get instant 2026 benchmarks, and export a Markdown report.

## Formula & Methodology
`NPS Promoter Referral Value Calculator: Two-proportion Z-test confidence & incremental revenue lift per cohort at Chrome Extension ARPU.`

**Default Benchmark Result (Statistical Confidence & Lift):** 99.7% Confidence
Variant converts at 4.40% vs 3.20% control (+37.5% relative lift) with 99.7% statistical confidence (Z = 2.98).

## Default Inputs
- **Monthly Cohort / Visitors Sample Size** (`a`, number): Default = `4500`
- **Baseline / Control Rate (%)** (`b`, percent): Default = `3.2`
- **Target / Optimized Variant Rate (%)** (`c`, percent): Default = `4.4`
- **Chrome Extension Value Per Conversion ($)** (`d`, currency): Default = `19`

## Sample Output Metrics
- **Statistical Confidence:** 99.7%
- **Relative Conversion Lift:** +37.5%
- **Z-Score:** 2.98
- **Incremental Value / Cohort:** $1,026

## How to Use
1. **Enter your startup metrics or copy inputs:** Fill in the fields in the Chrome Extension NPS Promoter Referral Value Calculator workspace above, or click "Load Example" to populate verified social, community & outreach benchmark data.
2. **Review real-time calculations & benchmark grades:** Inspect the primary output, supporting unit metrics, and diagnostic rules that update instantaneously in your browser with zero server round-trips.
3. **Copy the report or deploy your launch plan:** Click 'Copy Result' to export the clean Markdown output or code snippet, then launch your product on FoundrList to compound organic traffic and high-DR backlinks.

## 2026 Industry Benchmarks
- **Sean Ellis PMF Threshold:** ≥ 40% 'Very Disappointed' — _Leading indicator of sustainable retention and organic word-of-mouth._
- **Annual Prepay Plan Adoption:** 20% – 35% of customers — _2 months free (~16.7% discount) maximizes upfront cash flow._
- **Effective Payment Processing Fee:** 2.9% + $0.30 (Stripe) / 5% + $0.50 (MoR) — _Merchant of Record platforms include global VAT/sales tax compliance._

## Frequently Asked Questions

### How does the Chrome Extension NPS Promoter Referral Value Calculator work?
Free nps promoter referral value calculator built for Chrome Extension founders: plug in your numbers, get instant 2026 benchmarks, and export a Markdown report. All calculations, scoring rules, and templates run 100% client-side in your browser for instant feedback without sending private startup metrics to a server.

### What benchmarks does this social, community & outreach tool use?
The Chrome Extension NPS Promoter Referral Value Calculator uses current 2026 SaaS, indie hacker, and venture benchmarks across B2B SaaS, AI products, developer tools, and bootstrapped startups so you can compare your numbers against top-quartile performers.

### Is the Chrome Extension NPS Promoter Referral Value Calculator completely free to use?
Yes — every tool in the FoundrList Founder Tools suite is 100% free with no signup wall, usage cap, or watermark, and includes a clean Markdown twin (.md) for AI agents and coding assistants.

### How do I get more traffic and backlinks after using the Chrome Extension NPS Promoter Referral Value Calculator?
Submit your product on FoundrList (/agent) to compete on the weekly launch leaderboard, earn a permanent high-DR dofollow backlink, or launch today for $29 (Standard Launch), book 50 Directory Submissions for $179 or 100 for $279, or grab the $278 SEO Boost Pack (/pricing) to distribute your startup everywhere.

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## Launch & Distribute Your Startup on FoundrList
- **Free Launch & Weekly Leaderboard:** [https://www.foundrlist.com/agent](https://www.foundrlist.com/agent)
- **Pricing ($0 Free Launch, $29 Standard Launch, $49 or $39/wk 14-Day Featured, $99 or $79/mo 30-Day Featured, $25 Newsletter, $99 Featured Blog Post, $179 50 Directories, $279 100 Directories, $278 SEO Boost Pack, $403 Boost Pro Max, Ads $49/$39/wk Home Feed, $79/$69/wk Sidebar, $99/$89/wk Both):** [https://www.foundrlist.com/pricing](https://www.foundrlist.com/pricing)