How to Count Calories — A Practical Beginner's Guide
Counting calories sounds harder than it is. Here's how to start right — from setting your daily target to estimating portions without a kitchen scale.
Counting calories is one of the simplest, most effective tools for managing your weight — and also one of the easiest to overcomplicate. Many people start enthusiastically, weigh every gram, and burn out within a week. The goal here is the opposite: a method that lasts for months, not days.
Why count calories at all?
A calorie is a unit of energy. Your body burns a certain amount every day and takes in a certain amount from food. Eat less than you burn and you lose weight; eat more and you gain. It sounds simplistic, and in day-to-day terms it really is.
Counting calories doesn’t make food “good” or “bad.” It just gives you awareness — you stop guessing and start knowing.
Step 1: Calculate your daily target
Before counting, you need a number to aim for. The standard approach:
- Estimate your BMR (the energy you burn at rest, doing nothing).
- Multiply by an activity factor — sedentary (1.2), lightly active (1.4), very active (1.7).
- Add or subtract for your goal — a deficit of roughly 500 calories a day yields about half a kilo of loss per week.
Don’t want to do the math? Most apps, Nishnush included, calculate this for you during a short onboarding.
Step 2: Estimate portions without losing your mind
This is where most people quit. You don’t need a kitchen scale for every bite. A few shortcuts:
- Visual comparisons: a palm = a protein serving, a fist = a carb serving, a thumb = a fat serving.
- Packaging: the numbers on the label are accurate — use them.
- A photo: AI-based apps like Nishnush estimate the portion from a picture, so you don’t weigh anything at all.
Measurement doesn’t have to be perfect. Consistency beats precision. A steady 90% estimate is better than a perfect measurement you abandon after a week.
Step 3: Log in real time
The common mistake is logging at the end of the day from memory — that’s where the bites, tastes and milky coffees get lost. Log the meal while it’s in front of you. If manual entry feels like a chore, a photo of the plate takes a second.
Want an example? Check how many calories are in pita or hummus — you’ll be surprised how fast a “light” meal adds up.
Step 4: Watch the trend, not the day
A single day means nothing. There will be high days and low days — that’s normal. What matters is the weekly average. If your weight is trending down over a few weeks, you’re on the right track, even if yesterday you went over.
Mistakes to avoid
- Forgetting liquids and sauces — oil, tahini and sweet drinks add up fast.
- “Earning back” calories with exercise — it’s easy to overestimate how much you burned.
- False precision — there’s no point chasing 5 calories when the estimate is already in range.
Summary
Counting calories works when it’s simple enough to sustain. Set a target, estimate portions without obsessing, log in real time, and watch the trend. Want to skip the tedious part? Nishnush turns any meal into calories and macros from a single photo — no scale, no database search.
