Lime adds bright, tangy flavor to water, marinades, dressings, and cocktails for very few calories. This lime calories per tablespoon calculator converts your serving size into calories and macronutrients using USDA reference values. Whether you’re tracking a splash of fresh juice, measuring bottled lime juice, or grating zest over a dish, you’ll get a quick, reliable estimate.
Fresh lime juice contains about 25 kcal per 100 grams, while whole raw lime is about 30 kcal per 100 grams. The tool handles tablespoons, teaspoons, milliliters, and fluid ounces, so you can enter the amount exactly as your recipe lists it. A built-in “show macros” toggle also reveals carbs, sugar, fiber, and protein.
Use the quick-fill buttons for common portions, or type in your own number. The results are rounded to one decimal place and are suitable for calorie counting, meal planning, and general healthy eating.
🍋 Lime Calories Per Tablespoon Calculator
USDA-based calorie and macro estimates for lime juice, zest, and blended whole lime.
📋 Step-by-Step Guide
Using the calculator takes just a few seconds:
- Enter the amount of lime in the number field. You can type decimals such as 0.5 or 2.25.
- Choose the unit: tablespoons, teaspoons, milliliters, or fluid ounces.
- Pick the lime form — fresh juice, bottled juice (no added sugar), grated zest, or blended whole lime.
- Toggle the macronutrient breakdown on if you want carbs, sugar, fiber, and protein.
- Click Calculate Calories and read your result.
🧮 Calorie Math Behind the Calculator
The estimates are based on USDA FoodData Central reference values for raw lime and lime juice. The tool uses these rounded values per 100 g:
- Fresh lime juice: 25 kcal, 8.4 g carbs, 1.7 g sugar, 0.4 g fiber, 0.4 g protein
- Bottled lime juice (unsweetened): same as fresh juice
- Lime zest (grated peel): about 29 kcal, 10.5 g carbs, 2.8 g fiber
- Whole raw lime, blended: 30 kcal, 10.5 g carbs, 1.7 g sugar, 2.8 g fiber, 0.7 g protein
The calculation is simple: grams of lime × kcal per 100 g ÷ 100 = calories. For example:
Example 1: 2 tablespoons of fresh lime juice = 30 g. 30 × 25 ÷ 100 = 7.5 kcal.
Example 2: 1 teaspoon of lime zest = 2 g. 2 × 29 ÷ 100 = 0.6 kcal.
Zest values are approximate because the amount of peel in a tablespoon depends on how finely you grate it and how firmly you pack it.
Quick Reference Table
| Lime form | kcal per 100 g | 1 tbsp | 1 tsp |
|---|---|---|---|
| Fresh lime juice | 25 | 3.8 kcal | 1.3 kcal |
| Bottled lime juice (no added sugar) | 25 | 3.8 kcal | 1.3 kcal |
| Lime zest, grated | 29 | 1.7 kcal | 0.6 kcal |
| Whole lime, blended | 30 | 4.5 kcal | 1.5 kcal |
Grams per tablespoon used in the table: 15 g for liquid forms, 6 g for zest. Values are rounded.
Lime Juice, Bottled Juice, or Zest?
Fresh lime juice is mostly water, which is why it is so low in calories. Bottled lime juice with no added sugar has the same calorie profile, but always check the ingredient list — some lime beverages and cordials add sugar or high-fructose corn syrup, which can raise calories significantly.
Lime zest is the bright green outer layer of the peel. It is much lighter by volume than juice: a tablespoon of zest weighs only about 6 g, compared with 15 g for juice. Zest contributes very few calories but brings concentrated lime oil and aroma. A little zest can punch up flavor without changing the calorie count.
Common Mistakes to Avoid
Using juice weight for zest. If you assume 1 tbsp of zest weighs 15 g, you’ll overestimate calories by roughly 2.5×. The calculator applies a lighter weight for zest automatically.
- Don’t confuse unsweetened bottled lime juice with limeade, margarita mix, or sweetened lime concentrate.
- Measure zest loosely; packing it into the spoon adds more peel and a few extra tenths of a calorie.
- Remember that a lime wedge at a restaurant varies in size. Use the “2 tbsp per lime” rule as a rough guide.
- If you track micronutrients, note that lime juice provides vitamin C and potassium in small amounts; the calories remain the main thing to count.
Frequently Asked Questions
How many calories are in the juice of one whole lime? A medium lime yields about 2 tablespoons of juice. At about 3.8 kcal per tablespoon, that’s roughly 7.5 kcal for the juice. The peeled fruit itself is about 30 kcal per 100 g, or roughly 20 kcal in a medium lime’s flesh, because most of a lime’s weight is water and peel.
Does lime juice have vitamin C? Yes. Fresh lime juice contains about 30 mg of vitamin C per 100 g, so one tablespoon provides about 4.5 mg — around 5% of the daily value. See the NIH vitamin C fact sheet for more.
Is lime good for weight loss? Lime itself is very low in calories, and using it to flavor water or food can replace higher-calorie sauces and dressings. It does not have special fat-burning properties, but it can make low-calorie eating more enjoyable.
Can I use this calculator for lemon? Lemon juice is very similar in calories. For a dedicated citrus breakdown, see the lemon nutrition calculator or the grapefruit calorie-per-tablespoon calculator.
Nutrition values come from the USDA FoodData Central database and are intended for general dietary tracking, not medical advice.