Morrisons

serving

Market Street, Romaine Lettuce Hearts

100g

Learn more about CalorieKing and the company.

About

Find out how many calories are in {{brandName}}. CalorieKing provides nutritional food information for calorie counters and people trying to lose weight.

Calories in {{brandName}}

{{title}} | CalorieKing

Learn more about the Cookie Policy of the CalorieKing website.

Cookie Policy

Start building the next big app with CalorieKing's trusted food database.

Developer Resources - Food API and Data Licensing

The CalorieKing food database in a downloadable package. Gives you the control and flexibility you need allowing you to develop your own algorithms and build offline apps.

Our simple but powerful API gives you access to the most trustworthy nutritional information available. We do all the heavy lifting so that you can have reduced development and maintenance costs.

Build your own logic with direct access to the database.

Full control

Localised databases for the United States and Australia with more to come.

Multi-region

No duplicate foods

Comprehensive coverage of the nutrients most people want to know about.

Nutrients

Build products that don't need Internet access.

Offline

Extensive coverage of fast-food chains and restaurants.

Restaurants

We update the CalorieKing food database continually.

Up-to-date

We employ a systematic process continually to minimise errors in our database.

Verified

Complete control and offline access.

A standalone export of CalorieKing's trusted food database available in CSV, XML and SQL.

Data License - Developer Resources

Our JSON API makes development quick and easy. Benefit from our proprietary search.

Simple & powerful

Easy access to the most trustworthy nutritional information.

A simple but powerful Food API for accessing CalorieKing's trusted food database.

Food API - Developer Resources

https://foodapi.calorieking.com/v1

Explore detailed documentation for CalorieKing's Food API with examples included.

Food API Documentation - Developer Resources

How long would it take to burn off {{energy}} of {{food}}?

Calorie Burn Time

Where do the calories in {{name}} come from?

Calorie Breakdown

There are {{energy}} in 1 {{servingName}} of {{foodName}}. You'd need to walk {{exerciseMinutes}} minutes to burn {{energy}}. Visit CalorieKing to see calorie count and nutrient data for all portion sizes.

Calories in {{name}}

Are you sure you want to delete all foods?

Delete Foods

Compare nutrition in foods from the CalorieKing Food Database.

Compare Foods

Start using our free calorie counter and exercise journal and we'll show you how!

Find nutrition facts for your favourite brands and fast-food restaurants.

Find nutrition facts for your favourite brands and fast-food restaurants in our trusted food database. Track what you eat with our free online calorie counter and learn how to lose weight and keep it off.

Food Nutrition Facts and Free Calorie Counter

Your trusted food database

Learn more about food nutrition with CalorieKing's comprehensive nutritional database. Work out how many calories, fat and carbohydrates are in your diet.

Food Nutritional Database

Learn more about the privacy policy of the CalorieKing website.

Privacy Policy

See CalorieKing's range of products including apps and books to help you reach your health goals.

No matter what your weight or health goals are, we've got the solution to help you reach them.

Our Products

Products

2021 CalorieKing Calorie, Fat & Carbohydrate Counter

The most accurate food data. Always at your fingertips.

Whether you want to lose weight, manage your diabetes or improve your health; there are no quick fixes and fad diets don’t work. It’s your everyday food choices that count. That’s where our reliable and convenient guides come in.

Start making the choices that lead to weight control

Books

ControlMyWeight™ Disclaimer

This Privacy Statement governs how CalorieKing collects, stores & shares your data when you use the ControlMyWeight® product created and owned by CalorieKing Wellness Solutions Inc. The product features a food, activity and measurement tracker and is composed of an iOS app and a web app.

ControlMyWeight™ Privacy Statement

ControlMyWeight™ Terms & Conditions

The easiest and most accurate calorie counter for iPhone and iPad.

ControlMyWeight™ is the easiest and most accurate calorie counter for iPhone and iPad.

Remove the guesswork from losing weight.

ControlMyWeight™

CalorieKing Food Search App for iOS and Android

Food Search for iOS & Android

Find out how many calories are in the foods you eat. CalorieKing provides nutritional food information for calorie counters and people trying to lose weight.

Find out how many calories are in {{keywords}}. CalorieKing provides nutritional food information for calorie counters and people trying to lose weight.

Food Search

$t(search:page-title) - Calories in {{keywords}}

Learn more about the terms and conditions of the CalorieKing website.

Terms and Conditions

Free interactive tools to help you find out more about your health.

Free interactive tools and calculators to help assess your health.

Tools & Calculators

This calculator provides you with your BMI (Body Mass Index) which is a statistical measure of body weight based on your weight and height.

BMI Calculator

This tool provides you with an approximate number of calories you should be eating per day to lose, maintain or gain weight.

How Many Calories Should You Eat

This calculator provides you with an approximate target range for your heart rate during exercise.

Target Heart Rate Zone

This calculator provides you with your waist-hip ratio which can be used as an indicator of body shape.

Waist-Hip Ratio

The Body Mass Index (BMI) is a statistical measure of body weight based on a person's weight and height.

Gain

Lose

Maintain

Find out how many calories you should eat to lose, maintain or gain weight.

How Many Calories Should You Eat?

This calculator provides you with an approximate target range for your heart rate during exercise at 50 - 85 percent of its maximum capacity.

Target Heart Rate Zone Calculator

The waist-hip ratio is an indicator of body shape, which can be statistically related to the risk of various health problems and diseases such as type 2 diabetes, hypertension and cardiovascular disease.

Fat	0.4 g
Carbs	1.4 g
Fibre	0.7 g
Protein	0.6 g

Calories 13	(54 kJ)
% RI*
Fat	0.4 g	1%
Saturated Fat	< 0.1 g	0%
Carbohydrate	1.4 g
Sugars	1.4 g
Fibre	0.7 g
Protein	0.6 g	1%
Salt	< 0.1 g	0%

CalorieKing

How many calories inMorrisons Market Street, Romaine Lettuce Hearts

13 Calories

Nutrition

Calorie Burn Time

Calorie Breakdown