Affiliate links on this page — disclosure. As an Amazon Associate, CJ Affiliate, and AWIN publisher we earn from qualifying purchases.

How Many Calories in Cereals Ready-to-eat, Kellogg'S Cinnamon Jacks?

✓ Nutrition data reviewed against USDA FoodData Central and Public Health England guidance by Jordan Morley, Editorial Reviewer. Last reviewed: 27 October 2026.

Fact-checked against original USDA source data by Jordan Morley, Editorial Reviewer. Not a registered dietitian — nutrition figures are sourced directly from USDA FoodData Central, not independently assessed medical advice.

CIRCLEDNA

Circle DNA Nutrition & Diet Report

Find out how your genes affect the way your body processes nutrients, carbs and fat. DNA-personalised diet plan based on 500+ genetic markers.

Get Your DNA Nutrition Report →
397
calories per 100g
111 calories per 1 cup (28g)
5.9gProtein
83.0gCarbs
7.8gFat
9.0gFibre

Affiliate links:

⚖ Kitchen Scales

Quick reference — common serving sizes

AmountCaloriesProtein
1 oz (28g)113 kcal1.7g
100g397 kcal5.9g
grams
397kcal
5.9gprotein
83.0gcarbs
7.8gfat
9.0gfibre

A cereals ready-to-eat, kellogg's cinnamon jacks contains 397 calories per 100g. A typical 1 cup (28g) provides about 111 calories. Cereals Ready-to-eat, Kellogg'S Cinnamon Jacks is high in calories. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.

Cereals Ready-to-eat, Kellogg'S Cinnamon Jacks Nutrition Facts

NutrientPer 100gPer serving (28g)
Calories397 kcal111 kcal
Protein5.9g1.7g
Carbohydrates83.0g23.2g
of which Sugars33.9g9.5g
Fat7.8g2.2g
of which Saturates1.3g0.4g
Fibre9.0g2.5g
Sodium451.0mg126mg
Potassium155.0mg43mg
Calcium20.0mg6mg
Iron16.1mg4.5mg
Vitamin C54.0mg15.1mg
Vitamin A0.0µg0µg
Selenium0µg0µg
Riboflavin (B2)1.5mg0.4mg

% of Daily Value (per 100g)

Based on a standard 2,000-calorie reference diet — the same basis used on nutrition labels in the US and UK.

Useful for tracking cereals ready-to-eat, kellogg's cinnamon jacks

Affiliate links — we earn a commission at no extra cost to you. Disclosure ›

MORiSH

MORiSH Pork Chicharrónes

79% protein, zero carbs. Air-fried, not baked. One of the cleanest macros of any snack.

Shop MORiSH →
AMAZON

Portion Control Containers

One serving stays one serving.

Check Price →

Have a cat or dog? Check whether cereals ready-to-eat, kellogg's cinnamon jacks is safe for your dog or safe for your cat before sharing. Also check the full ingredient breakdown and food safety guide for pregnancy and storage advice. Use a meal prep container set to portion out cereals ready-to-eat, kellogg's cinnamon jacks for the week. Tracking supplements too? Check drug and supplement interactions before combining anything new.

Good to know

Check the actual serving size on packaging before comparing to the per-100g figures here — snack portions are often smaller (or larger) than 100g.

Does cereals ready-to-eat, kellogg's cinnamon jacks fit your diet?

Fibre intake

Cereals Ready-to-eat, Kellogg'S Cinnamon Jacks provides 9.0g of fibre per 100g — a meaningful contribution toward the commonly cited 25-30g daily target, which supports digestion and helps with feeling fuller for longer.

Frequently Asked Questions

How many calories in cereals ready-to-eat, kellogg's cinnamon jacks per 100g?

Cereals Ready-to-eat, Kellogg'S Cinnamon Jacks contains 397 calories per 100g, based on USDA reference data.

Is cereals ready-to-eat, kellogg's cinnamon jacks high in calories?

A 1 cup of cereals ready-to-eat, kellogg's cinnamon jacks (28g) has around 111 calories — roughly 6% of a 2,000-calorie daily intake.

Is cereals ready-to-eat, kellogg's cinnamon jacks good for weight loss?

Cereals Ready-to-eat, Kellogg'S Cinnamon Jacks is fairly calorie-dense at 397 calories per 100g, so portion size matters when losing weight. A 1 cup provides about 111 calories.

How much protein is in cereals ready-to-eat, kellogg's cinnamon jacks?

Cereals Ready-to-eat, Kellogg'S Cinnamon Jacks contains 5.9g of protein per 100g.

Is cereals ready-to-eat, kellogg's cinnamon jacks a good source of fibre?

Yes — cereals ready-to-eat, kellogg's cinnamon jacks provides 9.0g of fibre per 100g, which is a meaningful contribution toward the commonly cited 28g daily reference intake.

How does cereals ready-to-eat, kellogg's cinnamon jacks compare to cereals ready-to-eat, quaker, cap'n crunch with crunchberries?

Cereals Ready-to-eat, Kellogg'S Cinnamon Jacks has 397 calories per 100g, close to cereals ready-to-eat, quaker, cap'n crunch with crunchberries at 397 — 0 calories fewer per 100g. See the full macro breakdown above.

How many servings of cereals ready-to-eat, kellogg's cinnamon jacks for 20g of protein?

With 5.9g of protein per 100g, you'd need roughly 339g of cereals ready-to-eat, kellogg's cinnamon jacks to reach 20g of protein

Foods with a similar calorie count

Other snacks closest to cereals ready-to-eat, kellogg's cinnamon jacks by calories per 100g:

FoodCaloriesProteinCarbsFat
Cereals Ready-to-eat, Kellogg'S Cinnamon Jacks (this page)397 kcal5.9g83.0g7.8g
Cereals Ready-to-eat, Quaker, Cap'N Crunch with Crunchberries397 kcal4.5g85.9g4.8g
Cereals Ready-to-eat, Post, Cocoa Pebbles397 kcal4.8g85.7g4.1g
Cereals Ready-to-eat, Malt-O-Meal, Cocoa Dyno-Bites397 kcal4.2g87.9g3.4g
Cereals Ready-to-eat, Quaker, Christmas Crunch397 kcal4.4g85.9g4.8g
Cereals Ready-to-eat, Kellogg'S Krave Chocolate Cereal397 kcal7.0g76.1g11.1g
Cereals Ready-to-eat, Kellogg'S Krave Double Chocolate Cereal397 kcal7.1g75.9g11.2g

More kit for cereals ready-to-eat, kellogg's cinnamon jacks tracking

Affiliate links — we earn a commission at no extra cost to you. Disclosure ›

CORNEACARE

Eye Health Vitamins

This food is rich in nutrients linked to eye health. CorneaCare's targeted vitamin formulas support long-term vision health.

Shop CorneaCare →

Last updated:

Nutrition data: USDA FoodData Central (public domain, CC0 1.0). Values are per 100g unless stated.