How Many Carbs Should I Eat Per Day? (By Goal and Activity)
How many carbs per day you need: 45–65% of calories by guidelines, 130 g minimum for the brain, plus low-carb ranges and targets for active people.
By Ayoub Farid · · 2 min read
Carbohydrates are your body's main energy source, but the "right" amount varies a lot with activity, goals and preference. Here's how to choose a number.
Key takeaways
- Guidelines suggest 45–65% of calories from carbs, with an RDA of 130 g per day.
What the guidelines say
- The Acceptable Macronutrient Distribution Range for adults is 45–65% of calories from carbs.
- The RDA is 130 g per day, based on the glucose the brain typically uses.
- Fiber: about 14 g per 1,000 kcal (roughly 25 g for women, 38 g for men). See how much fiber per day.
Carbs by daily calories (at 45–65%)
| Calories | 45% | 55% | 65% |
|---|---|---|---|
| 1,500 | 169 g | 206 g | 244 g |
| 1,800 | 203 g | 248 g | 293 g |
| 2,000 | 225 g | 275 g | 325 g |
| 2,500 | 281 g | 344 g | 406 g |
Carbs by activity (g per kg body weight)
| Activity | Carbs |
|---|---|
| Light activity | 3–5 g/kg |
| Moderate training (~1 h/day) | 5–7 g/kg |
| Endurance athletes | 6–10 g/kg |
Low-carb ranges
| Approach | Carbs per day |
|---|---|
| Moderate low-carb | 100–150 g |
| Low-carb | 50–100 g |
| Ketogenic | under ~20–50 g |
Low-carb diets work for some people, mostly because they make it easier to eat fewer calories. At equal calories and protein, weight loss tends to be similar. If you have diabetes or take medication, talk to your doctor before cutting carbs significantly.
Choose quality carbs most of the time
- More often: oats, potatoes, rice, whole-grain bread, fruit, beans, lentils, vegetables.
- Less often: sugary drinks, sweets, pastries and refined snacks, which are easy to overeat.
Calorie guides: calories in rice, calories in potato, calories in oatmeal.
Simple way to set carbs
Set calories and protein first, choose fat at 20–35%, and let carbs fill the rest. See how to calculate macros.
Track it
Nutora shows carbs for every meal photo next to protein and fat, so you can see where your carbs come from.
Frequently asked questions
How many carbs should I eat to lose weight?
There's no single number. Many people do well with 100–200 g per day within a calorie deficit; choose what you can sustain.
Is 100 g of carbs a day low-carb?
Yes, it's considered a moderate low-carb intake for most adults.
Do carbs make you gain weight?
Excess calories cause weight gain, whether from carbs, fat or protein.
What's the minimum carbs per day?
The RDA is 130 g, though very-low-carb diets go below that under appropriate guidance.
Track it with a photo
Snap your meal, see the calories
Nutora's AI estimates calories, protein, carbs and fat from a photo of your plate and tracks them against your daily goal. Download on iPhone and iPad with a 3-day free trial.
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