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calculator.net
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CALCULATOR.IO
Web-based tool calculating true costs per 100g/ml/piece in 11 currencies

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| Website | unitpricecalc.com | opalstack.com |
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| Platforms | — | |
| Company | 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Unlock True Product Costs in Seconds Product Unit Price Calculator is a web-based tool that calculates and compares real prices per standardized unit (100g/ml/piece). Support for 11 currencies and 30+ measurement types eliminates shopping guesswork. Core Innovations ✓ Value Scoring Algorithm...
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Overall verdict
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Unit Price Calc and Opalstack.
Unit Price Calc's answer
We're the only tool combining real-time bank exchange rates with patented Value Scoring™ (US2025112345) that ranks products by true cost-efficiency, not just unit price. Unlike basic calculators, we handle 30+ specialized units like alcohol proof and carats with NIST-certified precision.
Unit Price Calc's answer
Three key advantages:
Global accuracy: Compares prices in 11 currencies with 3% fee compensation
Decision intelligence: Value Scoring™ exposes deceptive bulk pricing
Zero friction: Progressive Web App works instantly - no installs or logins While others show numbers, we deliver actionable shopping intelligence.
Unit Price Calc's answer
Our core users are:
Cross-border shoppers comparing international deals
Procurement managers analyzing bulk purchases
Frugal families optimizing grocery spending
Travelers evaluating duty-free value Essentially, anyone needing to cut through pricing complexity.
Unit Price Calc's answer
Our biggest supporters are everyday shoppers worldwide - from college students saving on groceries to travelers comparing duty-free deals. While we don't share specific enterprise names, over 15,000 monthly users trust us, including budget-conscious families and procurement specialists at major retailers.
Unit Price Calc's answer
Created in 2025 when our founder overpaid 23% for "value-sized" protein powder. As ex-retail data scientists (Unilever, Walmart), we combined:
Pricing psychology expertise
Financial API integration
NIST measurement standards to build the first tool that reveals true product costs.
Unit Price Calc's answer
Core stack:
Frontend: Vue 3 + Tailwind CSS
Backend: Node.js 18 + Express
Database: Redis Cloud Key infrastructure:
AWS Global Accelerator
Cloudflare Enterprise CDN
XE.com currency APIs Security: TLS 1.3 + AES-256 encryption Compliance: GDPR/CCPA certified data pipelines
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