Honeydew melon is a refreshing, low-calorie fruit, but keeping track of its fiber can be awkward when a recipe calls for cups, wedges, or grams. This honeydew fiber calculator converts any serving size you have — grams, ounces, diced cups, or medium wedges — into fiber grams using the USDA value of 0.8 g of fiber per 100 g of raw honeydew.
Whether you are logging meals in a macro app, planning a high-fiber snack, or following a nutrition plan to support digestion, this tool gives you a quick answer. It also shows total carbs, net carbs, and the percentage of your daily fiber target (28 g) when you toggle those options on.
Use the preset buttons for common serving sizes, or type your own amount and press Calculate Fiber.
🍈 Honeydew Fiber Calculator
Estimate the fiber and net carbs in any honeydew serving.
Serving amount
Options
How to Use This Calculator
Start by entering the amount of honeydew you plan to eat, then select the matching unit from the dropdown. The calculator accepts four common ways to measure honeydew:
- Grams (g): weigh the peeled, seeded flesh on a kitchen scale.
- Ounces (oz): one avoirdupois ounce equals 28.35 g; choose this if your recipe lists ounces.
- Cups, diced: a standard US cup of bite-size diced honeydew weighs about 170 g.
- Medium wedge: a typical 1/8 wedge from a medium honeydew is close to 125 g.
After you choose a unit, decide whether you want to see net carbs and the share of your daily fiber value. Both options are enabled by default, so you get the full nutrition picture at a glance. The preset buttons under the serving field quickly fill in 1 cup diced, 100 g, 1 oz, or one medium wedge — ideal for common snacks and meal prep portions.
How the Math Works
The core formula behind the calculator is simple: fiber (g) = serving weight (g) × 0.008. Raw honeydew contains roughly 0.8 g of fiber per 100 g, so multiplying grams by 0.008 converts any serving directly to fiber grams. For example, 100 g of honeydew yields 0.8 g of fiber, while 250 g yields 2.0 g.
If the Daily Value box is checked, the tool divides fiber by the FDA reference daily value of 28 g for adults and multiplies by 100. This lets you see how much of your day's fiber need one portion of melon covers. Nutrition data are based on raw honeydew entries in USDA FoodData Central; actual values can shift slightly with variety, ripeness, and growing conditions.
Worked Examples
Example 1 — 1 cup diced honeydew (170 g). Fiber = 170 × 0.008 = 1.36 g. Total carbs = 170 × 0.0909 = 15.45 g. Net carbs = 15.45 − 1.36 = 14.09 g. On a 28 g goal, your %DV for fiber = 1.36 ÷ 28 × 100 = 4.9%.
Example 2 — One 125 g wedge. Fiber = 1.00 g. Total carbs = 11.36 g, net carbs = 10.36 g, and %DV = 3.6%.
Example 3 — A 50 g breakfast fruit bowl. Fiber = 0.40 g. Total carbs = 4.55 g, net carbs = 4.15 g, and %DV = 1.4%.
These examples show why honeydew is not a fiber-heavy fruit: it is mostly water, so the fiber per serving is modest. Still, every gram counts when you are combining several fruits and vegetables across a day.
Honeydew Nutrition Reference
| Measure | Weight | Fiber | Total Carbs | Net Carbs |
|---|---|---|---|---|
| 100 g raw honeydew | 100 g | 0.8 g | 9.09 g | 8.29 g |
| 1 cup diced | ~170 g | 1.36 g | 15.45 g | 14.09 g |
| 1 medium wedge (1/8 melon) | ~125 g | 1.00 g | 11.36 g | 10.36 g |
| 1 oz | 28.35 g | 0.23 g | 2.58 g | 2.35 g |
Net carbs in the table are total carbs minus fiber. For low-carb eaters, the net-carb column is the one that matters most. The FDA’s new Nutrition Facts label uses 28 g of fiber as the Daily Value; you can confirm that reference on the FDA Daily Value page.
Tips for Accurate Tracking
- Remove the rind and seeds before weighing. The hard outer rind adds weight but almost no edible fiber.
- Dice size changes cup weight. Finely chopped pieces pack more fruit into a measuring cup, so for the most consistent logging weigh your portion in grams when precision matters.
- Use fresh, ripe honeydew in these estimates. Canned honeydew in syrup contains added sugar and slightly different fiber values; check the label if that is what you are eating.
- Set a daily fiber target and log every fruit, vegetable, legume, and whole grain you eat so the melon contribution fits into the bigger picture. A fiber goal calculator can help you plan the rest of your day.
Common Mistakes to Avoid
Logging the whole melon. A medium honeydew weighs 1.5–2.5 kg including the rind, but only about 60–70% of that is edible flesh. Weigh just the flesh to avoid doubling or tripling your fiber estimate.
Confusing total carbs with net carbs. Low-carb trackers should use net carbs (total carbs minus fiber), not the total carbohydrate line. Honeydew has roughly 9 g of total carbs per 100 g, but only about 8.3 g of net carbs.
Assuming counting fiber from melon alone is enough. One cup of diced honeydew provides only about 1.4 g of fiber — around 5% of a 28 g target. Use it as a hydrating snack, but build your fiber foundation with oats, beans, berries, and leafy greens.