Kiwi fruit is a nutrient-dense choice for anyone tracking carbohydrates, whether you're managing blood sugar, following a low-carb or keto-style plan, or simply logging your daily macros. This calculator lets you convert your kiwi serving into carbs per 100g, using reliable USDA nutrition data. You can enter the weight of your kiwi, choose your preferred unit (grams, ounces, or whole fruits), and instantly see the total carbohydrate content, net carbs, and fiber.
Beyond the basic conversion, the tool includes a serving-size presets section for common portions like one medium kiwi or a 100g serving, plus a toggle to show net carbs (total carbs minus fiber). This makes it easy to compare kiwi to other fruits and plan your meals with confidence. Whether you're a dietitian, a fitness enthusiast, or just curious about your favorite fruit, this calculator gives you accurate, actionable numbers in seconds.
🥝 Kiwi Carb Calculator
How to Use This Tool
Enter the amount of kiwi you plan to eat, select the unit (grams, ounces, or whole fruit), and optionally toggle the net carbs display. The calculator uses the USDA FoodData Central values for raw kiwi fruit: 14.66 g of total carbohydrates, 3.0 g of fiber, and 8.99 g of sugars per 100 g. If you choose whole fruit, the calculator assumes an average medium kiwi weighs about 75 g. You can also click the preset buttons for common serving sizes like 100 g or one medium fruit.
Formula Explained
The calculation is straightforward: first convert your serving to grams, then multiply by the per-100g values. For example, if you eat 150 g of kiwi, total carbs = 150 × 14.66 / 100 = 21.99 g. Net carbs are calculated by subtracting fiber from total carbs, since fiber is not fully digested and has minimal impact on blood sugar. This is especially useful for low-carb and keto dieters who track net carbs.
Reference values (per 100 g raw kiwi, USDA): Total carbs 14.66 g, fiber 3.0 g, sugars 8.99 g, protein 1.14 g, fat 0.52 g.
Worked Examples
Example 1: One medium kiwi (75 g). Total carbs = 75 × 14.66 / 100 = 11.0 g. Fiber = 2.25 g. Net carbs = 8.75 g.
Example 2: A 200 g serving (about 2.5 fruits). Total carbs = 29.32 g, fiber = 6.0 g, net carbs = 23.32 g.
Tips & Best Practices
- Weigh your kiwi with a kitchen scale for the most accurate results, as fruit sizes vary widely.
- If you're tracking for diabetes or keto, focus on net carbs rather than total carbs.
- Remember that kiwi is relatively low in carbs compared to bananas or grapes, making it a good fruit choice for moderate-carb diets.
- Pair kiwi with a source of protein or fat to slow sugar absorption if you're concerned about blood sugar spikes.
Factors Affecting Accuracy
The values are averages from the USDA and can vary slightly depending on the variety (e.g., green vs. gold kiwi), ripeness, and growing conditions. Gold kiwi tends to be slightly higher in sugar. Always check the nutrition label if you're using a packaged product, as added ingredients can change the carb content.
Frequently Asked Questions
Is kiwi keto-friendly? A medium kiwi has about 8.75 g net carbs, so it can fit into a keto diet if you plan your other carbs carefully. Many keto eaters enjoy half a kiwi as a treat.
How does kiwi compare to other fruits? Kiwi has fewer carbs than bananas (about 23 g per 100 g) but more than berries like strawberries (about 7.7 g per 100 g). It's a moderate-carb fruit.
Can I use this calculator for gold kiwi? Yes, but note that gold kiwi may have slightly higher sugar content. The difference is usually small, but for precise tracking, check the specific product label.
What is the glycemic index of kiwi? Kiwi has a low glycemic index of about 52, making it a good choice for blood sugar management when eaten in sensible portions.
For more detailed nutrition data, you can refer to the USDA FoodData Central database. If you're tracking other fruits, you might also find our lemon net carbs calculator useful.