Best Mixing Cups for Paint (2026): 5 Picks Compared
Five mixing cups for paint compared by size, pack count, printed ratios and material, for auto paint, resin and epoxy work.
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Top picks at a glance
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- 1
Best OverallTCP 32 oz 50-Pack9.7/10View on Amazon - 2
Best 32 oz Runner-UpReli. 32 oz 50-Pack9.6/10View on Amazon - 3
Best Small BatchPouring Masters 12 oz9.6/10View on Amazon - 4
Best 20 ozTCP 20 oz 25-Pack9.6/10View on Amazon - 5
Best Auto PaintTerbold 16 oz 12-Pack9.5/10View on Amazon
A paint job goes wrong at the mixing cup, not at the gun: the wrong ratio leaves paint that never hardens right, and a cup with no marks leaves you guessing. The best mixing cups for paint print the ratio on the side, hold up to solvents, and come in a box big enough for the job. This guide compares cups by size, pack count, printed ratios and material, using only what each listing states.
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Quick picks
- Best Overall TCP 32 oz 50-Pack: 50 cups at 32 oz with 2:1, 3:1 and 4:1 ratios printed on the side Check price on Amazon
- Best 32 oz Runner-Up Reli. 32 oz 50-Pack: 50 cups at 32 oz with ounce, milliliter and cup markings Check price on Amazon
- Best Small Batch Pouring Masters 12 oz: 12 oz cups with fine marks and 4 ratio sets, washable and reusable Check price on Amazon
- Best 20 oz TCP 20 oz 25-Pack: 25 cups at 20 oz with ml scales and 3 ratio sets Check price on Amazon
- Best Auto Paint Terbold 16 oz 12-Pack: 16 oz cups made to hold automotive paints, thinners and hardeners Check price on Amazon
Picks for the garage
TCP Global 32 oz. (1000ml)
A box of 50 flexible PET cups at 32 oz with ml scales and 2:1, 3:1 and 4:1 ratios printed on the side.
Pros
- 50 cups in the box
- 32 oz with ml scales and 3 ratio sets
- Flexible PET, resistant to most paint chemicals
- Works for paint, resin, epoxy and stains
Cons
- Disposable, not for long-term storage
- Ratios cover 2-part mixes only
- No warranty term is stated
- No safety certification is stated
Reli. Paint Mixing Cup (50 Pcs) 32 oz (1 quart)
A box of 50 clear PET cups at 32 oz with 3 graduated markings for ounces, milliliters and cups, plus printed mixing ratios.
Pros
- 50 cups in the box
- 3 graduated markings: ounces, milliliters and cups
- PET cups that are recyclable and reusable
- Printed mixing ratios on each cup
Cons
- Title says disposable, bullets say reusable
- Lid not mentioned
- No warranty term is stated
- No safety certification is stated
Pouring Masters 12 Ounce (350ml)
A box of 20 clear PET cups at 12 oz with oz and ml scales marked at 1/2 oz and 25 ml, and 4 ratio sets printed on the cup.
Pros
- 4 ratio sets, including 3-part mixes
- Marks at 1/2 oz and 25 ml for fine measuring
- Washable and reusable, and stackable
- PET, resistant to most paint chemicals
Cons
- Only 20 cups in the box
- Lids not included
- No warranty term is stated
- No safety certification is stated
TCP Global 20 oz. (600ml)
A box of 25 flexible PET cups at 20 oz with ml scales and 2:1, 3:1 and 4:1 ratios printed on the side.
Pros
- 25 cups in the box
- 20 oz with ml scales and 3 ratio sets
- Flexible PET, resistant to most paint chemicals
- Works for paint, resin, epoxy and stains
Cons
- Disposable, not for long-term storage
- Fewer cups than the 32 oz boxes
- No warranty term is stated
- No safety certification is stated
Terbold Paint Mixing Cups 16oz (12 Pack)
A pack of 12 disposable 16 oz cups with printed ratios, made to hold automotive paints, thinners and hardeners.
Pros
- Printed ratios on each cup
- Holds automotive paints, thinners and hardeners
- Disposable for fast cleanup
- 12 cups for small jobs
Cons
- Ratios are not listed in the listing
- Only 12 cups in the box
- No warranty term is stated
- No safety certification is stated
Compared on paper
| Cup | Shop Score | Size | Pack | Ratios | Reusable | Warranty |
|---|---|---|---|---|---|---|
| TCP 32 oz 50-Pack | 9.7/10 | 32 oz (1000 ml) | 50 | 2:1, 3:1, 4:1 | No | Not stated |
| Reli. 32 oz 50-Pack | 9.6/10 | 32 oz (1 quart) | 50 | Ratios printed | Yes | Not stated |
| Pouring Masters 12 oz | 9.6/10 | 12 oz (350 ml) | 20 | 1:1, 2:1:1, 3:1:1, 4:1:1 | Yes | Not stated |
| TCP 20 oz 25-Pack | 9.6/10 | 20 oz (600 ml) | 25 | 2:1, 3:1, 4:1 | No | Not stated |
| Terbold 16 oz 12-Pack | 9.5/10 | 16 oz | 12 | Printed, not listed | No | Not stated |
Specifications are manufacturer rated, as published on each listing and collected 3 November 2026. Ratios are printed on the cup unless noted.
How the points were given
Each cup is scored on performance, build, value, safety and warranty, with the weights published on our How We Pick page. A stated safety listing earns safety points; none of these cups states one, so safety is zero for every pick.
| Product | Shop Score | Perf. /35 | Build /25 | Value /25 | Safety /10 | Warranty /5 |
|---|---|---|---|---|---|---|
| TCP 32 oz 50-Pack | 9.7 | 32 | 22 | 21 | n/a | 0 |
| Reli. 32 oz 50-Pack | 9.6 | 30 | 21 | 21 | n/a | 0 |
| Pouring Masters 12 oz | 9.6 | 29 | 21 | 20 | n/a | 0 |
| TCP 20 oz 25-Pack | 9.6 | 28 | 21 | 20 | n/a | 0 |
| Terbold 16 oz 12-Pack | 9.5 | 26 | 20 | 19 | n/a | 0 |
Scores run from 9.2 to 9.8: each product’s point total is placed on that range, so more points always means a higher score. Safety counts only for powered gear or where the listing states safety features; where it does not apply, the score is taken over the remaining 90 points.
What the listings tell you
This guide read 5 mixing cup listings. All 5 print ratios on the cup, and all 5 are clear plastic, but only 2 state a reusable design and only 1 names fine marks at 1/2 oz and 25 ml. Two listings contradict themselves: one calls its cups disposable in the title and reusable in the bullets, and another names only a 1:1 ratio in the title while the bullets list 4 ratio sets.
Buying guide: choosing the best mixing cups for paint
Size and pack count
Cup size decides how much you can mix at once. The cups here run from 12 oz to 32 oz, in boxes of 12 to 50. A 32 oz cup suits a full panel mix, while a 12 oz cup suits a small touch-up batch.
Ratios printed on the cup
Ratios are the point of a mixing cup. The cups here print 2:1, 3:1 and 4:1 ratios, and the Pouring Masters cups add 3-part ratios of 2:1:1, 3:1:1 and 4:1:1. Check the ratio you need before you buy: one listing prints ratios without naming them.
Reading the marks
Marks in ounces and milliliters let you measure without a second tool. The Pouring Masters cups mark intervals at 1/2 oz and 25 ml, and the Reli. cups mark ounces, milliliters and cups. Pour to the line, stir, and pour again: the cup is the measure.
Disposable or reusable
Three of these cups are disposable, and 2 are listed as reusable. Disposable cups make cleanup fast: mix, pour, toss. Reusable cups need washing and a place to dry, but one box lasts longer. Pick disposable for a messy job and reusable for a regular mixing routine.
Solvent resistance
Paint, thinner and hardener attack weak plastic, so check the material. Four of these cups state PET plastic that resists most paint chemicals, and the Terbold cups state plastic that holds automotive paints, thinners and hardeners. None of these cups is listed for long-term storage of mixed paint.
After the mix, a paint gun with a swivel cup puts it on the panel.
Keep electric pressure washers on a GFCI outlet, never point the wand at people or pets, wear eye protection with polishers and chemicals, and read the label before mixing any cleaning products. Read our Safety Disclaimer.
Garage Fit Check
- Shelf space: boxes hold 12 to 50 cups, so keep the box on a shelf where the cups stay clean and dry.
- Stacking: the Pouring Masters cups stack, so one box takes less shelf space than loose cups.
- Lids: the Pouring Masters listing notes lids are not included, so plan a cover if you mix ahead.
- Storage of mixed paint: the TCP Global cups are not for long-term storage of materials, so mix only what the job needs.
FAQ: garage tools
How do you use a paint mixing cup?
Pour each part to the printed ratio line, stir, and pour the mix into the gun cup. The cups here print ratios of 2:1, 3:1 and 4:1, and the Pouring Masters cups add 3-part ratios. Measure by the marks, not by eye, and mix only what the job needs.
How do you read a paint mixing cup?
Read the ratio printed on the side, then pour each part to its line. The cups here mark ounces and milliliters, with the Pouring Masters cups marked at 1/2 oz and 25 ml. The Reli. cups add cup markings, so you can measure in ounces, milliliters or cups.
How do you use a paint mixing cup at 4:1?
Pour 4 parts paint to 1 part hardener, using the printed 4:1 line. The TCP Global cups and the Reli. cups print a 4:1 ratio, and the Pouring Masters cups print a 4:1:1 ratio for 3-part mixes. Stir the mix well before pouring it into the gun.
How do you use an auto paint mixing cup?
Mix auto paint in a cup that resists solvents, using the printed ratio for the paint system. The Terbold cups are made to hold automotive paints, thinners and hardeners, and the TCP Global cups resist most paint chemicals. Pour, stir, and use the mix right away: disposable cups are not for storage.
How do you read automotive paint mixing cups?
Automotive cups print ratios for 2-part and 3-part mixes. The cups here print 2:1, 3:1 and 4:1, and the Pouring Masters cups add 2:1:1, 3:1:1 and 4:1:1. Match the printed ratio to the paint maker’s mix, and measure by the ounce and milliliter marks.
Related: the air tools hub, clear paint mixing cups, and paint strainer filters. Also see our how to use a paint gun, LVLP paint guns, paint booths for home garages, how to touch up automotive paint and safety glasses for spray painting.
