Kumquat Glycemic Load Calculator

Kumquats are tiny, tart-sweet citrus fruits eaten whole, peel and all. Their glycemic load (GL) is a more practical blood-sugar guide than the glycemic index alone because it combines the carbohydrate amount in a real serving with the quality of those carbs. The Kumquat Glycemic Load Calculator turns any serving size — grams or whole fruit — into a GL estimate, net carbs, fiber, and a low/medium/high category.

This tool is useful for people with diabetes, low-GI dieters, and anyone tracking carbohydrate intake for energy or blood glucose management. Because kumquats are often eaten by the piece, the calculator also lets you adjust the average fruit weight and ripeness so the estimate matches the specific fruit in your bowl.

🍊 Choose Your Serving

Measure by

Serving amount

Average weight per kumquat

g/fruit

⚙️ Glycemic Index Setting

Ripeness / variety estimate

📊 Results

Enter a serving size and press Calculate.

Glycemic Load—

Net Carbs— g

Total Carbs— g

Fiber— g

Serving Weight— g

Fruit Equivalent—

Step-by-Step Guide

Start by deciding whether you are measuring your snack in grams or in whole kumquats. The first option is ideal when you have a food scale or a packaged portion; the second is handy when you are simply grabbing a handful from a bowl. Once the calculator knows the serving size, it converts everything into the same units and applies a consistent formula.

Choose Weight in grams or Whole kumquats in the serving-size dropdown.
Enter the amount — for example, 100 g or 5 fruit.
If you chose whole fruit, confirm the average weight per kumquat. A typical imported kumquat weighs about 15 g, but varieties can range from 10 g to 20 g.
Select the glycemic index estimate that matches ripeness. Sweeter, fully ripe fruit moves toward 47; firmer, less ripe fruit sits closer to 35.
Click Calculate GL and read the glycemic load, net carbs, fiber, and serving weight. The copy button lets you save the result to your notes.

Tip: Kumquats are usually eaten with the peel, which is where much of the fiber lives. The calculator uses peel-on values because that is how the fruit is normally consumed.

The Math Behind the Glycemic Load

Glycemic index ranks how quickly carbohydrate in a food raises blood sugar, but it does not tell you how much carbohydrate is in your actual portion. Glycemic load fixes this by combining both pieces of information:

GL = (GI × available carbohydrate in grams) ÷ 100

Available carbohydrate means the carbs your body can digest — in practice, total carbohydrate minus fiber. Kumquats contain roughly 15.9 g of total carbohydrate and 6.5 g of fiber per 100 g, leaving 9.4 g of available carbohydrate. If you eat a 100 g serving of typical kumquats with a GI of 40, the calculation becomes:

GL = (40 × 9.4) ÷ 100 = 3.8

A GL under 10 is considered low, 11 to 19 medium, and 20 or higher high. Because kumquats are small, almost any realistic serving lands in the low range unless you eat a very large bowl at once.

Why this matters: Two foods with the same glycemic index can have very different glycemic loads if one is much more carbohydrate-dense per serving. The GL therefore predicts the likely blood-sugar response of an actual meal better than GI alone.

Worked Examples

Example 1 — 100 g serving, typical ripeness. Start with GI 40. Net carbs per 100 g is 15.9 minus 6.5, or 9.4 g. GL = (40 × 9.4) ÷ 100 = 3.8. This is a low glycemic load. You also get about 6.5 g of fiber and 71 kcal.

Example 2 — 5 whole kumquats, very ripe. If each fruit averages 15 g, 5 fruit weigh 75 g. Net carbs are 9.4 g per 100 g, so 75 g provides 7.1 g. With a sweeter-fruit GI of 47, GL = (47 × 7.1) ÷ 100 = 3.3. Still low, even with the riper estimate. Eating 10 fruit, or about 150 g, would give roughly 14.1 g net carbs and a GL of 5.6 to 6.6 depending on the GI estimate.

Kumquat Nutrition Reference

The following values are based on the peel-on fruit listed in USDA FoodData Central. Individual farms and varieties can vary slightly, especially in sugar content.

Nutrient	Per 100 g	Per fruit (15 g)	Per 5 fruit (75 g)
Energy	71 kcal	10.7 kcal	53.3 kcal
Total carbohydrate	15.9 g	2.4 g	11.9 g
Fiber	6.5 g	1.0 g	4.9 g
Sugars	9.4 g	1.4 g	7.1 g
Net carbs	9.4 g	1.4 g	7.1 g
Protein	1.9 g	0.3 g	1.4 g
Fat	0.9 g	0.1 g	0.7 g

Most kumquats in North America weigh 12–18 g. The per-fruit column assumes a 15 g average, so adjust the calculator's average weight field if your fruit are unusually large or small. For original USDA data, visit FoodData Central.

Pro Tips & Accuracy Notes

Weigh once, estimate later. If you eat kumquats often, weigh a handful one time and count the fruit. Then you can use the whole-fruit mode quickly without a scale.
Ripeness changes sugar content. Deep orange, soft fruit tastes sweeter and may have a slightly higher GI. The calculator's 47 option covers this.
Fiber affects the result. The peel is edible and contributes meaningful fiber, lowering net carbs. Removing the peel would reduce fiber and raise GL for the same weight of flesh.
Pair with fat or protein. Eating kumquats with nuts, yogurt, or cheese slows digestion and generally flattens glucose response further.
Don't confuse total and net carbs. Food labels often list total carbohydrate only. The calculator subtracts fiber automatically because fiber is not digested into glucose.

Important: GL estimates are still population averages, not a guarantee of your personal blood-sugar response. Individual factors such as insulin sensitivity, meal composition, and medication make a difference. Use the number as a planning guide rather than a medical prescription.

Frequently Asked Questions

Is kumquat a low-glycemic fruit?

Yes, for typical servings. The glycemic index of kumquat is generally reported around 40, and because the fruit is small and rich in fiber, its glycemic load usually stays under 10. A 100 g serving — about 6 to 7 fruit — gives a GL close to 3.8.

Which is more useful, GI or GL?

Glycemic load is more practical because it reflects the amount of carbohydrates you actually eat. A food can have a high GI but a low GL if you eat a small portion, and the opposite is true for large portions of low-GI foods. For blood-sugar planning, use GL for real servings and GI mainly for comparing the quality of carbs among foods.

How does kumquat compare to other fruit?

Kumquats are similar to other small citrus and berry fruits: low in GL per piece and easy to overeat if you munch on many. If you want a side-by-side estimate for a different citrus, try the orange glycemic load calculator; for small berries, the blueberry glycemic load calculator is a handy companion.