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Maple syrup

One US cup of maple syrup is estimated at 312 grams using our reference. How you fill the cup matters.

Reference ingredient

312 g per US cup

Maple syrup · Pourable maple syrup

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Ingredient

Pourable maple syrup

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50 grams of maple syrup is about

0.16

US cups

Approximate recipe equivalent for Maple syrup. Ingredient preparation and measuring technique affect the result.

Reference: 312 g per 236.5882 ml US reference cup. More precision: 0.1603 US cups.

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Maple syrup conversions at a glance

Reference: 312 grams per US cup, pourable maple syrup. Values are approximate.

Grams of maple syrup to US cups
Maple syrup weight	US cups	Kitchen measure
30 g	0.1	a little under ⅛ cup
50 g	0.16	a little over ⅛ cup
100 g	0.32	a little under ⅓ cup
120 g	0.38	a little over ⅓ cup
150 g	0.48	a little under ½ cup
200 g	0.64	a little under ⅔ cup
250 g	0.8	a little over ¾ cup

Cups of maple syrup to grams
Cups	US cup (236.59 ml) → g	Metric cup (250 ml) → g
0.25 cups	78	82.42
0.3333 cups	104	109.9
0.5 cups	156	164.84
0.6667 cups	208	219.79
0.75 cups	234	247.27
1 cup	312	329.69
2 cups	624	659.37

Spoons of maple syrup to grams by system
Spoon	US (14.79 / 4.93 ml)	Metric (15 / 5 ml)	Australian (20 / 5 ml)
1 tbsp	19.5	19.78	26.37
1 tsp	6.5	6.59	6.59

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Spoon, level, then cook.

A light, level cup gives a different weight from a firmly packed scoop. A kitchen scale helps keep the amount repeatable.

How to measure ingredients

How to convert maple syrup

Our reference is 312 grams per US reference cup of maple syrup, pourable maple syrup. That works out to about 1.3187 grams per millilitre, so cups = grams ÷ 312 and grams = cups × 312 in US customary measures.

For metric and Australian recipes the cup holds 250 ml, so one cup of maple syrup is about 329.69 grams. Australian tablespoons hold 20 ml rather than 15 ml, which the calculator handles when you pick that system.

Preparation changes the weight

The reference describes maple syrup as: pourable maple syrup. A different form, such as sifted, packed, melted, chopped or cooked, can hold a different weight in the same cup and needs its own reference. When a recipe gives a gram amount, weigh that amount instead of converting.

Brand, moisture and how firmly the cup is filled all move the practical result. Treat the numbers here as recipe equivalents, not laboratory densities.

Where the number comes from

The reference comes from King Arthur Baking ingredient weight chart, which lists 1/2 cup as 156 grams. Published recipe weight, normalised to one reference cup. This site assigns the published cup weight to its adopted US reference cup of 236.5882365 ml; the source itself does not define an exact millilitre cup volume. Checked September 25, 2026.

A few useful answers

Kitchen questions, answered.

How many grams are in a cup of maple syrup?

About 312 grams per US customary cup (pourable maple syrup), or about 329.69 grams per 250 ml metric cup, using our reference.

How many cups are 100 grams of maple syrup?

About 0.32 US cups. Use the calculator for any other amount or cup system.

Can I substitute a similar ingredient?

A measurement conversion does not establish a recipe substitution. Two ingredients can weigh the same per cup and still behave differently in a recipe; follow the recipe author's substitution guidance.

Sources behind the numbers

Sources checked September 25, 2026. Ingredient values are recipe equivalents, not laboratory densities.