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Calorie Calculator

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Calorie Calculator UK

Understanding how many calories your body needs daily is the foundation of a healthy lifestyle. Whether your goal is to lose weight, build muscle, or simply maintain your current weight, our calorie calculator uk offers an easy and reliable way to estimate your daily calorie requirements.

This guide explains everything you need to know about calorie tracking and includes helpful information such as sample meal plans, calories in popular foods, energy expenditure, and the science behind calculating your calorie needs. Our tool works seamlessly with popular UK measurement units and provides realistic, human-centric results to support your wellness journey.

What is a Calorie Calculator?

A calorie calculator uk is a tool that helps you estimate the number of calories your body needs each day based on various personal factors such as age, gender, weight, height, and physical activity level. Using a James Smith calorie calculator is especially beneficial because it tailors the results to your specific goals, whether that be weight loss, weight maintenance, or muscle gain.

This calculator gives you:

  • Your Basal Metabolic Rate (BMR)

  • Your Total Daily Energy Expenditure (TDEE)

  • Suggested calorie intake for maintaining, losing, or gaining weight

How the Calorie Calculator Works

Our calorie calculator is based on the well-established Mifflin-St Jeor and Harris-Benedict formulas. These are highly regarded by fitness professionals across the UK for their accuracy.

Step 1: Input Personal Details
Enter your:

  • Age

  • Gender

  • Height (in cm)

  • Weight (in kg or stones)

  • Activity level (from sedentary to extra active)

Step 2: Get Your Results
The James Smith calorie calculator will then provide your daily calorie needs for three key objectives:

  • Maintain current weight

  • Lose weight (with mild to moderate calorie deficit)

  • Gain weight (calorie surplus)


Sample Daily Meal Plans (1200, 1500, and 2000 Calories)

Below are example meal plans tailored to different calorie goals:

Meal1200 Cal Plan1500 Cal Plan2000 Cal Plan
BreakfastAll-bran cereal (125) + Milk (50) + Banana (90)Granola (120) + Greek Yogurt (120) + Blueberries (40)Toast (150) + Egg (80) + Banana (90) + Almonds (170)
SnackCucumber (30) + Avocado dip (50)Orange (70)Greek Yogurt (120) + Blueberries (40)
LunchGrilled cheese with tomato (300) + Salad (50)Chicken soup (300) + Bread (100)Grilled Chicken (225) + Grilled Vegetables (125) + Pasta (185)
SnackWalnuts (100)Apple (75) + Peanut butter (75)Hummus (50) + Baby carrots (35) + Crackers (65)
DinnerChicken (200) + Brussel sprouts (100) + Quinoa (105)Steak (375) + Potatoes (150) + Asparagus (75)Salmon (225) + Brown rice (175) + Green beans (100) + Walnuts (165)

Calories in Popular Foods

Use this handy reference to track your calorie intake:

Fruits:

  • Apple: 59 kcal

  • Banana: 151 kcal

  • Grapes: 100 kcal

  • Watermelon: 50 kcal

Vegetables:

  • Carrots (1 cup): 50 kcal

  • Cucumber (4 oz.): 17 kcal

  • Tomato (1 cup): 22 kcal

Proteins:

  • Chicken, cooked (2 oz.): 136 kcal

  • Egg (1 large): 78 kcal

  • Tofu (4 oz.): 86 kcal

Snacks & Meals:

  • Bread, white: 75 kcal/slice

  • Cheeseburger: 285 kcal

  • McDonald’s Cheeseburger: 300 kcal

  • Subway Turkey Sub (6″): 280 kcal

Our McDonald’s calorie calculator and Subway calorie calculator help you make smarter choices when eating out by providing precise nutritional information.


Calories Burned from Exercises

Pair our calorie calculator with a calories burned calculator to see how much energy you expend. Here’s how many calories a 155 lb (70 kg) person burns in 1 hour:

ActivityCalories Burned
Walking (3.5 mph)267 kcal
Jogging (5 mph)298 kcal
Cycling (12-14 mph)562 kcal
Swimming (moderate)492 kcal
Yoga149 kcal
Weightlifting112 kcal

Use our cycling calorie calculator and calories burned calculator to calculate your exact energy output for your workouts.


Understanding TDEE and BMR

Basal Metabolic Rate (BMR) is the number of calories your body needs at rest. Your Total Daily Energy Expenditure (TDEE) includes all activities and gives a complete picture of your daily calorie requirements.

Here is how TDEE is calculated:

Activity LevelMultiplier
Sedentary1.2
Lightly Active1.375
Moderately Active1.55
Very Active1.725
Extra Active1.9

Our James Smith calorie calculator uses these multipliers to deliver accurate daily targets.


Calorie Needs by Gender & Age

Here’s a guide based on UK standards:

Women:

  • Age 19-25: 1800–2200 kcal/day

  • Age 26-50: 1800–2000 kcal/day

  • Age 51+: 1600–1800 kcal/day

Men:

  • Age 19-25: 2400–2800 kcal/day

  • Age 26-45: 2400–2600 kcal/day

  • Age 46+: 2200–2600 kcal/day


Creating a Calorie Deficit

To lose weight, consume fewer calories than you burn. This is called a calorie deficit. Our calorie calculator helps you set a healthy and sustainable target:

  • Mild loss: Reduce by 250-500 kcal/day

  • Moderate loss: Reduce by 500-750 kcal/day

  • Maximum safe reduction: 1000 kcal/day (minimum 1200 kcal for women, 1500 kcal for men)

Again, use our James Smith calorie calculator for realistic guidance.


Tips for Effective Calorie Management

  • Track Intake: Use food journals or apps like Nutracheck.

  • Be Consistent: Weigh your food for accurate tracking.

  • Stay Hydrated: Dehydration often mimics hunger.

  • Don’t Over-Restrict: Severe calorie cuts can lead to fatigue and nutrient deficiencies.


Advanced Strategies

Zigzag Calorie Cycling: Alternate high and low-calorie days to prevent plateaus.
Macro Tracking: Tailor carbs, protein, and fat intake for fat loss or muscle gain.


Specialised Calculators for Smarter Eating

  1. James Smith Calorie Calculator – Popular with UK fitness enthusiasts for its personal approach to daily calorie goals.

  2. Subway Calorie Calculator – Helps you customise low-calorie sandwich options.

  3. McDonald’s Calorie Calculator – Plan ahead for better fast-food choices.

  4. Cycling Calorie Calculator – Calculates calories burned based on duration, speed, and rider weight.

  5. Calories Burned Calculator – Gives you accurate burn rates for hundreds of activities.

These calculators make it easier to stay on top of your calorie goals whether you’re at the gym, eating out, or cycling through the park.


Final Thoughts

Our calorie calculator is designed to empower your health goals with science-backed, practical insights. Whether you’re using the James Smith calorie calculator for a personal weight plan, the Subway calorie calculator to manage your lunch, or the cycling calorie calculator to track your workouts, these tools ensure you’re always in control.

Use the McDonald’s calorie calculator and calories burned calculator to make informed decisions every day, and watch as your goals become achievable, sustainable results.

Disclaimer: All tools and calculators provided on New Rivag are intended for informational purposes only. While we strive for accuracy and relevance, we do not guarantee results or assume responsibility for any consequences arising from the use of these tools. Always consult a professional for personalised advice or fitting.

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