How Points Are Calculated

Overview

PlanetPoints are calculated based on both the carbon rating and nutrition rating of each product. Both ratings matter - a low score in either will reduce your points, and an E in either means no points.

Rating Values

Products receive A-E ratings for both carbon impact and nutrition. Each rating corresponds to points per pound spent:

The Formula

Points = Price × [(CarbonScore × NutriScore) ÷ 0.75] × R

Where:

• Price = Item price in pounds (£)
• CarbonScore = Numeric value (A=3, B=2, C=1, D=0.5, E=0)
• NutriScore = Numeric value (A=3, B=2, C=1, D=0.5, E=0)
• R = Receipt Scan Factor

Receipt Scan Factor (R)

Examples

Example 1: Receipt Scan with A/B Ratings

Item: £10 purchase
Carbon Rating: A (3 points)
Nutrition Rating: B (2 points)
Method: Receipt scan (R = 0.5)

Points = £10 × (3 × 2 ÷ 0.75) × 0.5
Points = £10 × 8 × 0.5
Points = 40 pts

Example 2: Standard Purchase with A/B Ratings

Same item via linked checkout:

Points = £10 × (3 × 2 ÷ 0.75) × 1.0
Points = £10 × 8 × 1.0
Points = 80 pts

Key Points

• Both ratings matter - Points are multiplied, so a low score in either significantly reduces earnings
• E rating = zero points - An E in either carbon or nutrition means no points for that item
• Receipt scans earn half - Linked purchases at partnered outlets earn full or double points
• Higher spending = more points - But only if you're buying sustainable, healthy products

The better both ratings, the more PlanetPoints you earn.