The Ultimate Clay Weight Guide for Potters (Cheat Sheet)
Bookmark this page. It is a starting-weight cheat sheet for common pottery forms so you spend less time guessing and more time throwing.
These numbers are starting points for mid-range stoneware with everyday wall thickness. Your clay body, style, trim habits, and handle choices will move them. Treat each range as a first throw, then save what actually worked.
How to use this guide
- Pick a form and a target size
- Weigh a ball in the suggested range
- Throw or build, then note the result
- Nudge up or down next time
- When you have exact dimensions, confirm with the clay weight estimator
Why weigh at all? The Case for Weighing Your Clay explains the habit. Deep dives: How Much Clay for a Mug, Bowl, Vase, and Pottery Clay Shrinkage.
Cups and mugs
| Form | Starting clay |
|---|---|
| Espresso cup | 150-200 g |
| Small cup / tasting | 200-250 g |
| Small mug (6-8 oz) | 250-300 g |
| Everyday mug (10-12 oz) | 350-400 g |
| Large mug (14-16 oz) | 450-500 g |
| Oversized latte mug | 500-600 g |
| Tumbler (no handle) | 300-450 g |
| Handled tankard | 550-700 g |
| Yunomi / handleless tea cup | 200-300 g |
| Mug handle blank (pulled separately) | 50-100 g |
Bowls
| Form | Starting clay |
|---|---|
| Tiny prep / pinch bowl | 150-200 g |
| Small side bowl | 250-300 g |
| Small cereal bowl | 300-350 g |
| Medium everyday bowl | 450-550 g |
| Large ramen / noodle bowl | 600-750 g |
| Serving bowl | 800-1000 g |
| Extra-large salad / mixing | 1200-1600 g |
| Nesting bowl set (small / med / large) | 300 g / 500 g / 800 g (example) |
| Mortar-style heavy bowl | 700-900 g |
| Pedestal bowl (bowl + foot piece) | 500-700 g bowl, 150-300 g foot |
Plates and flatware
| Form | Starting clay |
|---|---|
| Small side plate | 400-500 g |
| Salad plate | 600-800 g |
| Dinner plate | 900-1200 g |
| Large charger | 1300-1600 g |
| Shallow pasta bowl / coupe | 700-1000 g |
| Saucer | 250-350 g |
| Platter (oval or round) | 1500-2500 g+ |
| Sushi plate / rectangular slab plate | 500-900 g |
| Divided snack plate | 600-900 g |
Flat forms need even compression. Heavier starting weights help if you trim a foot ring or like substantial rims.
Cylinders, jars, and lidded forms
| Form | Starting clay |
|---|---|
| Practice cylinder (beginner) | 250-350 g |
| Tall practice cylinder | 500-700 g |
| Small jar body | 400-600 g |
| Medium canister body | 700-1000 g |
| Large storage jar body | 1200-2000 g |
| Jar lid (simple flange) | 150-350 g |
| French butter crock style | 500-800 g body, 200-350 g lid |
| Honey jar | 350-500 g body, 100-200 g lid |
| Utensil crock | 800-1200 g |
For lids, plan finished diameter with shrinkage, not only wet fit. Use the shrinkage calculator.
Vases and bottles
| Form | Starting clay |
|---|---|
| Tiny bud vase | 200-300 g |
| Small desk vase | 350-500 g |
| Medium flower vase | 600-900 g |
| Tall vase (single piece) | 1200-1800 g |
| Floor vase / sectional tall | 1800-3000 g+ total |
| Bottle / narrow neck | 500-1200 g depending on height |
| Wide-belly vase | Add 100-300 g vs a skinny vase of same height |
| Weed pot / single-stem | 150-250 g |
Sectional builds split the total across pieces. See How Much Clay for a Vase.
Pitchers, teapots, and pouring forms
| Form | Starting clay |
|---|---|
| Small cream pitcher | 300-400 g |
| Medium pitcher | 600-900 g |
| Large water pitcher | 1000-1500 g |
| Pitcher handle blank | 80-150 g |
| Teapot body | 700-1100 g |
| Teapot lid | 100-200 g |
| Teapot spout blank | 50-100 g |
| Gravy boat | 400-600 g |
Complex forms are assemblies. Weigh each part so replacements and seconds stay consistent.
Handbuilding favorites
| Form | Starting clay |
|---|---|
| Pinch pot (small) | 200-250 g |
| Pinch pot (medium) | 300-400 g |
| Coil mug | 350-500 g |
| Coil vase (medium) | 600-1000 g |
| Soft slab tray | 400-700 g |
| Hard slab box (small) | 500-800 g |
| Slab planter (medium) | 800-1400 g |
| Spoon rest | 150-250 g |
| Butter dish base + lid | 400-600 g base, 250-400 g lid |
| Wall hanging / small sculpture | 300-800 g (varies widely) |
| Tile (standard test / art tile) | 200-400 g depending on size |
Handbuilding scrap loss differs from wheel trim loss. Still weigh the starting lump so batches match.
Scoops, spoons, and small extras
| Form | Starting clay |
|---|---|
| Tea spoon / coffee spoon | 30-60 g |
| Serving spoon | 80-150 g |
| Scoop / batter spoon | 100-200 g |
| Chopstick rest | 40-80 g |
| Ring dish | 100-180 g |
| Incense holder | 80-150 g |
| Knob / lid finial | 20-60 g |
| Test tile | 50-150 g |
Small items still benefit from consistent weights when you sell sets or need matching glaze tests.
Adjustments cheat sheet
- Porcelain: you may prefer the lighter end if walls are thin, or the heavier end if you trim a lot
- Heavy grog stoneware: forms stand taller; you can sometimes use less clay for height, but rims still need mass
- Thick rims / heavy feet: add 50-150 g
- Aggressive trimming: start heavier or leave less waste in the floor
- Wide and shallow: needs more clay than tall and narrow at the same "size" label
- Handles and spouts: weigh separately and write them down
Make it yours in Claybook
The fastest potters are not guessing. They are repeating a number that already worked.
When a weight produces a mug you love:
- Record clay body and cone
- Record starting weight and form
- Record wet and fired dimensions if you measured them
- Reuse that recipe next session
Claybook is built to keep those notes next to lessons and practice. Pair this cheat sheet with the clay weight estimator when you leave the ranges and design to exact sizes.
Quick picks if you only remember five numbers
- Espresso: 180 g
- Everyday mug: 350 g
- Medium bowl: 500 g
- Dinner plate: 1000 g
- Medium vase: 750 g
Everything else is a variation on those anchors.
Takeaway
Fifty-plus forms, one habit: weigh the ball, throw the form, save the result. Use this page for a fast range, the estimator for precision, and your notes for the truth about your hands and your clay.