One whole lime (~67 g) has about 20 calories; 1 tablespoon of lime juice has ~4 calories.
Per Wedge
Per Fruit
1 Tbsp Juice
Basic
- Squeeze over tacos or fish.
- Add 1–2 wedges to water.
- Grate a touch of zest.
Everyday Use
Better
- Use 1–2 tbsp in dressings.
- Brighten fruit salads.
- Marinate lean proteins.
Meal Prep
Best
- Balance salty or rich dishes.
- Mix with herbs and chili.
- Keep sugar low in drinks.
Flavor Power
Limes are low-energy flavor boosters. You can use them freely in cooking, drinks, and marinades without moving your calorie budget much. The numbers below use common weights and raw, unsweetened juice.
Calories In A Lime: Serving Sizes Explained
Calorie counts shift with weight and form. A whole fruit has more pulp and water, while a wedge or a spoon of juice is tiny. Here’s a handy chart to keep portions straight.
| Serving | Approx. Weight | Calories |
|---|---|---|
| Per 100 g (raw) | 100 g | ~30 kcal |
| One Fruit (2" dia) | ~67 g | ~20 kcal |
| Half Fruit | ~34 g | ~10 kcal |
| One Wedge | ~8 g | ~1 kcal |
| 1 Tbsp Juice | ~15 g | ~4 kcal |
| 1 Cup Juice | ~242 g | ~61 kcal |
Those values come from standard raw limes and plain juice. Numbers vary a touch with size and water content, but the trend holds: tiny energy, big brightness. Once you map these portions to your daily calorie needs, you’ll see how easy it is to add lime for taste without spending many calories.
What Changes The Count?
Size And Variety
Persian limes are the common grocery pick. Key limes are smaller, so one fruit usually weighs less. If you’re counting closely, weigh or estimate by halves and wedges. The energy scales linearly with grams because most of the fruit is water and simple carbs.
Juice Vs. Pulp
Juice carries a little sugar and citric acid. Pulp adds trace fiber. Per 100 g, raw juice sits around 25 calories, while whole fruit is about 30. That’s why a tablespoon of juice lands near 4 calories, and a full cup rises above 60.
Zest And Peel
Zest from the outer green layer is mostly aroma compounds with trace energy. A teaspoon grated over a dish barely moves the dial. Avoid the bitter white pith if you want clean citrus notes.
How Lime Calories Fit Into Meals
Dressings And Marinades
Two tablespoons of juice (about 30 g) add roughly 8 calories to a vinaigrette or marinade. Most of the energy in dressings comes from oil or sweeteners, not the citrus. Swap some oil for juice to keep flavor high and energy lower.
Tacos, Bowls, And Grilled Foods
One wedge over a taco adds ~1 calorie and a burst of acidity that balances salty or fatty toppings. The same squeeze perks up grilled chicken, fish, tofu, or roasted veg.
Hydration Without The Sugar
Drop a couple of wedges in water or seltzer for lift with almost no energy. Keep added sweeteners light if you’re tracking carbs or total energy.
Nutrition Snapshot Beyond Calories
A 100 g portion of lime brings around 29–30 mg of vitamin C, which is roughly a third of the 90 mg Daily Value used on labels. If you’re scanning for label context, the FDA Daily Value list lays out current reference numbers. Limes also include small amounts of potassium and folate, plus aromatic compounds that make food taste fresh without relying on sugar or heavy sauces.
Calorie Math You Can Trust
The 100-Gram Baseline
Food databases express fruit energy per 100 g for consistency. For raw limes, that line sits near 30 calories. From there, you can scale up or down by weight to match any serving on your plate.
Whole Fruit Vs. Yield
Not every recipe uses the entire fruit. A typical lime yields around 2–3 tablespoons of juice. That nets roughly 8–12 calories of juice, before any sweetener. Zest adds trace amounts only.
Comparisons With Other Citrus
Curious where limes land against their citrus cousins? Here’s a quick comparison using per-100-gram values.
| Fruit | Calories | Notes |
|---|---|---|
| Lime (raw) | ~30 kcal | Bright, tart; low sugar. |
| Lemon (raw) | ~29 kcal | Similar profile to lime. |
| Grapefruit (raw) | ~32–42 kcal | Varies by color and sweetness. |
| Orange (raw) | ~47–50 kcal | Higher sugar, sweeter taste. |
Buying, Storing, And Prepping For Best Flavor
Pick Heavy, Firm Fruit
Choose limes that feel heavy for their size with smooth skin. A little give is fine; deep softness or dry, wrinkled skin points to low juice.
Store Cold, Use Within A Week
Refrigerate in the crisper to slow moisture loss. Whole fruit keeps about a week. Cut limes and fresh juice last 2–3 days in a sealed container.
Get More Juice
Roll the fruit under your palm for 10–15 seconds, then slice crosswise. Warm limes yield more than chilled ones. A handheld press helps capture juice and strain seeds fast.
Smart Swaps And Recipe Ideas
Boost Brightness, Trim Energy
Squeeze lime where you’d reach for extra salt or sugar. The acid sharpens flavors so you can keep add-ins lean. Try lime with cilantro, mint, chili, or garlic to build depth without piling on energy.
Better Drinks
Mix lime with seltzer and herbs for a low-cal refresher. If you like a sweet edge, add just a touch of honey or a splash of fruit juice. Skip sugary syrups when you can.
Dressings, Slaws, And Salsas
A 3:1 blend of oil to citrus is classic, but you can shift to 2:1 or even 1:1 when you want lighter dressings. Lime pairs well with shredded cabbage, corn, mango, tomato, onion, and avocado.
Answers To Common Calorie Questions
Is A Whole Lime “Free” In A Calorie Budget?
Not free, but close. One fruit sits near 20 calories. If you’re counting, log it; if you’re estimating, you’ll be safe rounding to 20.
Does Cooking Change The Energy?
Heating reduces vitamin C. The energy per gram stays about the same unless you add sugar, oil, or other ingredients. Grilling lime halves adds charred aroma without adding energy.
What About Bottled Juice?
Plain bottled juice without sugar mirrors raw juice on calories. Check labels for added sweeteners. Limeade and cocktail mixers pack much more energy because of sugar.
How To Track Limes Easily
Weigh Or Use Simple Equivalents
When a scale isn’t handy, use practical swaps: one lime ≈ 2–3 tablespoons of juice; one wedge ≈ a teaspoon or two of juice. For quick logging, 1 tablespoon of juice is ~4 calories and 1 wedge is ~1.
Match Portions To Your Day
Plan where citrus fits. If dinner is heavier, keep lunch lighter and use lime for pop instead of thick sauces. That way flavor stays high while energy stays modest.
Key Takeaways
- Per 100 g, raw limes are ~30 calories; a whole fruit (~67 g) lands near 20.
- One tablespoon of raw juice is ~4 calories; a wedge adds ~1.
- Most of the benefit comes from acidity and vitamin C, not energy.
- Keep sweeteners out of lime drinks if you’re watching total calories.
Want a simple routine for food choices next week? Try our daily nutrition checklist.