Quick answer
One US stick of butter is 4 oz, 8 tablespoons, ½ cup or 113.4 g. Two sticks make 16 tablespoons, 1 cup, 8 oz or 226.8 g.
Choose the unit you have and enter an amount. The calculator returns sticks, tablespoons, cups, grams and ounces. Use this butter conversion calculator to check your own figures.
Related tools: Oven Temperature Converter: Convert °F, °C and UK gas marks. Brine Concentration Calculator: Salt concentration of a brine by weight.
How to use the Butter Conversion Calculator
- Choose i have: Sticks, Tablespoons, Cups, Grams and Ounces.
- Enter amount (above 0).
- Press Calculate to see the result, and use Reset to start again.
| Input | What to enter | Allowed values |
|---|---|---|
| I have | Choose one: Sticks; Tablespoons; Cups; Grams; Ounces | Starts at Sticks |
| Amount | A number | > 0 |
Formula and method
Formula
1 US stick = 4 oz = 8 tbsp = ½ cup = 113.398 g
IEEE-754 double precision; shown to the decimals indicated.
Uses the US stick definition (4 oz); butter in other countries is sold in different pack sizes.
Worked examples
These examples are verified: each one is an automated test case that the live calculator must reproduce exactly.
Example 1
Inputs: I have = Sticks; Amount = 2.
| Result | Value |
|---|---|
| Butter | 2 sticks |
| Tablespoons | 16 |
| Cups | 1 |
| Grams | 226.8 |
| Ounces | 8 |
Example 2
Inputs: I have = Tablespoons; Amount = 6.
| Result | Value |
|---|---|
| Butter | 0.75 sticks |
| Tablespoons | 6 |
| Cups | 0.375 |
| Grams | 85 |
| Ounces | 3 |
Example 3
Inputs: I have = Cups; Amount = 1.5.
| Result | Value |
|---|---|
| Butter | 3 sticks |
| Tablespoons | 24 |
| Cups | 1.5 |
| Grams | 340.2 |
| Ounces | 12 |
The first line is the headline result (butter). Below it the butter Conversion Calculator lists tablespoons, cups, grams and ounces, which describe the same case from other angles. IEEE-754 double precision; shown to the decimals indicated.
Handy equivalents
1 tablespoon = 14.2 g, 1 cup = 226.8 g, 1 stick = 113.4 g. A 250 g block of European butter is a little over 2 sticks. Butter wrappers often have tablespoon marks.
Differences
Whipped butter contains air and measures by volume differently, and European-style butter has a higher fat content. Weigh butter when precision matters.
How the result changes with amount
Holding every other input at the first worked example, this table changes only amount. It shows how sensitive the answer is to that one value; each row was produced by running this calculator.
| Amount | Butter | Tablespoons | Cups |
|---|---|---|---|
| 1 | 1 sticks | 8 | 0.5 |
| 2 | 2 sticks | 16 | 1 |
| 4 | 4 sticks | 32 | 2 |
| 8 | 8 sticks | 64 | 4 |
What happens with invalid input
These messages are produced by the calculator itself, so you know what to fix.
- Amount: entering "0" shows "Amount must be greater than 0." beside that field and no result.
Choosing between the Butter Conversion Calculator and similar calculators
Each row shows what a related calculator on this site asks for and what it returns, so you can pick the one that matches your question.
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|---|---|---|
| [Turkey Thawing Time Calculator](/cooking/turkey-thawing-time-calculator/) | method and turkey weight | Thawing time |
| [Oven Temperature Converter](/cooking/oven-temperature-calculator/) | convert | Temperature |
| [Brine Concentration Calculator](/cooking/brine-concentration-calculator/) | salt and water | Brine concentration |
| [Rice to Water Ratio Calculator](/cooking/rice-water-ratio-calculator/) | rice and water per 1 part rice | Water needed |
| [Salt Percentage Calculator](/cooking/salt-percentage-calculator/) | salt and total weight | Salt |
Background: cooking measurements
For baking, weight is more reliable than volume. A cup holds a fixed volume but its weight depends on the ingredient's density, and a cup of flour can vary by 20 to 30 grams depending on how it is scooped, so published gram-per-cup values for the same ingredient differ from site to site. Spoon and level flour if you must measure by volume.
Check which cup a recipe uses: the US cup is 236.588 mL, while a metric cup is 250 mL.
Assumptions and limitations
- Whipped and european-style butter pack differently
Cooking times are guides. Use a food thermometer to confirm safe internal temperatures.
If a required value is empty, not a number, or outside its allowed range, the form marks that field with a message and shows no result instead of a misleading number. The automated checks deliberately try invalid entries for amount to confirm this.
Frequently asked questions
How many tablespoons in a stick?
One US stick of butter is 8 tablespoons (4 oz, ½ cup).
How many grams in a cup of butter?
A cup of butter is two sticks, about 227 g (8 oz).
Can I use oil instead of butter?
Not as a straight swap; check the recipe.
What does the Butter Conversion Calculator calculate?
Convert butter between sticks, tablespoons, cups, grams and ounces. It returns Butter, Tablespoons, Cups, Grams and Ounces.
What formula does the Butter Conversion Calculator use?
1 US stick = 4 oz = 8 tbsp = ½ cup = 113.398 g. Uses the US stick definition (4 oz); butter in other countries is sold in different pack sizes.
What do I need to enter in the butter Conversion Calculator?
You enter I have and Amount.
How is the result rounded or limited?
IEEE-754 double precision; shown to the decimals indicated. Whipped and european-style butter pack differently.
What does the “I have” option change?
It sets how the butter Conversion is worked out. The choices are Sticks, Tablespoons, Cups, Grams and Ounces.
What is an example of a butter Conversion result?
With i have Sticks and amount 2, the butter is 2 sticks.
Where does the method come from?
The method follows: US butter stick (4 oz) and the avoirdupois ounce 28.349523125 g.
Can I rely on this calculator for a decision?
Cooking times are guides. Use a food thermometer to confirm safe internal temperatures. For this calculator in particular: Whipped and european-style butter pack differently.
Related calculators
- Oven Temperature Converter — Convert °F, °C and UK gas marks.
- Brine Concentration Calculator — Salt concentration of a brine by weight.
- Rice to Water Ratio Calculator — Water needed for rice at the ratio you prefer.
- Salt Percentage Calculator — Salt as a percentage of the total weight.
- Cake Pan Size Conversion Calculator — Batter scale factor between two pan sizes.
Sources
- US butter stick (4 oz) and the avoirdupois ounce 28.349523125 g
Content last reviewed 2026-11-04. Formulas and worked examples are checked by automated tests against independently computed values.