Syn Calculator - The Calories To Syn Online Tool

Slimming World Syns Calculator

Calories to Syns

Calories per serving:

Fat content (g) - optional:

Carbohydrates (g) - optional:

Quick Converter

Quick Calculate:

Note: This calculator uses the official Slimming World calorie chart and the alternative fat+carb formula (Fat + Carbs ÷ 5). Always verify Syn values using official Slimming World resources, app, or with your consultant.

📊 Daily Syns Tracker

Syns today (15 daily allowance)

0 / 15 Syns used

💡 Helpful Tips & Reminders

Daily Allowance: Most members get 15 Syns per day, but this can vary based on your plan.

Free Foods: Most fruits, vegetables, lean meats, and fish are Syn-free!

Healthy Extras: Don't forget your HEA (milk/cheese) and HEB (bread/cereal) allowances.

Calculation Methods: This calculator uses the official SW calorie chart (more accurate than 20 cal = 1 Syn) and the fat+carb formula for foods with known macros.

Official Verification: Always double-check Syn values using the official Slimming World app or resources.

Jennifer

Jennifer is a certified nutritionist and weight loss coach with a Master's in Nutrition from Cambridge. With over 10 years experience, she shares healthy recipes and science-backed slimming tips on SheCooksSheEats to help people reach their wellness goals. Jennifer stays up-to-date by regularly attending conferences and continuing her nutrition education. She aims to provide research-backed advice to inspire balanced, happy living.

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Syn Calculator - The Calories To Syn Online Tool

Calories to Syns

Quick Converter

📊 Daily Syns Tracker

Today's History

💡 Helpful Tips & Reminders