Recipes and tomatoes don’t speak the same language. Recipes are written in cans, cups, and ounces. Gardens and market stalls hand you pounds, baskets, and “about this many.” This page is the phrasebook, tables first, talk after. If you only memorize one line, make it this one:
One pound of tomatoes ≈ 3 medium tomatoes ≈ 2½ cups chopped ≈ one 14.5-ounce can.
That single equivalence unlocks most recipe math in both directions. Everything below is refinement.
Tomatoes per pound, by type
Because “a tomato” spans everything from a grape to a beefsteak, the count per pound swings wildly by variety:
| Variety | Per pound |
|---|---|
| Beefsteak | 1 to 2 |
| Heirloom (varies hugely) | 1 to 4 |
| Medium round / slicer | ~3 |
| San Marzano | ~6 |
| Roma / plum | ~8 |
| Cherry | 20 to 25 |
| Grape | 25 to 30 |
One honest caveat that applies to this whole page: tomatoes are not manufactured. Every figure here is a working average. Your Romas may run fat, your beefsteaks modest, and the ranges are ranges on purpose. For anything mission critical, a kitchen scale settles it in three seconds. Our conversion calculator does the arithmetic for any amount in any direction.
Pounds to cups
What a pound becomes on the cutting board: about 2½ cups chopped or diced, and about 1½ cups once pureed. The difference is air and juice that chopping preserves and blending collapses. Working backward, a recipe wanting “2 cups chopped tomatoes” needs a scant pound. Bring home three medium fruits and you’re covered with a little to spare.
Cherry tomatoes run their own math. A pint basket from the market weighs roughly three-quarters of a pound and halves into about two cups. Worth knowing during the summer flood every cherry plant produces.
Can sizes to fresh (and back)
The two cans that rule American recipes, decoded:
| Can | Volume | Fresh equivalent |
|---|---|---|
| 14.5 oz | ~1¾ cups with liquid, ~1½ drained | ≈ 1 lb fresh (5 to 6 smaller tomatoes) |
| 28 oz | ~3½ cups with liquid, ~3 drained | ≈ 2 lb fresh (10 to 12 smaller tomatoes) |
So a recipe calling for a 28-ounce can accepts two pounds of your fresh tomatoes, peeled and chopped. A little simmering makes up the canning concentration. The reverse swap works the same way. Which form to buy when it is the can doing the substituting, and why whole peeled wins, is the canned aisle guide’s territory. The wider what-replaces-what question belongs to the swap chart.
One more conversion that saves pantry nights: equal parts tomato paste and water rebuilds tomato sauce. The one-to-one mix lands closest to the store-bought can.
The gardener’s big numbers
When the harvest arrives by the basket instead of the pound, the units scale up. A bushel of tomatoes weighs about 53 pounds and puts up 15 to 20 quarts of canned tomatoes. A half bushel, around 27 pounds, yields 8 to 10 quarts. Those two figures are the backbone of canning-day planning, how many jars to wash, how many afternoons to budget. The safe-processing side is covered in our canning playbook.
Scaling the other direction, each quart jar swallows roughly 2½ to 3½ pounds of fresh fruit depending on pack style. That’s why the twenty-pound weekend picking becomes a modest, honest seven jars, and why canners talk in bushels.
The quick answers, one place
For the counter-side questions this page gets asked most. A pound is three medium tomatoes. A 14.5-ounce can replaces a pound of fresh. Two and a half cups of chopped equals a pound. Paste plus equal water makes sauce, and a bushel makes fifteen plus quarts. Tape those five to the inside of a cabinet door during canning season and this whole article fits on an index card. That is the goal of a good reference page.
Frequently asked questions
How many tomatoes are in a pound?
About 3 medium round tomatoes, 8 Romas, or 1 to 2 beefsteaks. Cherry tomatoes run 20 to 25 per pound and grape tomatoes 25 to 30. Sizes vary plant to plant, so treat counts as working averages and weigh when precision matters.
How many cups is a pound of tomatoes?
Roughly 2½ cups chopped or diced, and about 1½ cups pureed. Blending collapses the air and structure that chopping preserves. For “2 cups chopped,” bring home about a pound.
How many fresh tomatoes equal a 14.5 oz can?
About one pound of fresh tomatoes, which is 5 to 6 smaller tomatoes or 3 medium. Peel, chop, and simmer briefly to match the can’s concentration. A 28-ounce can equals roughly two pounds of fresh.
How do I make tomato sauce from tomato paste?
Mix equal parts paste and water, one-to-one, then season. That ratio lands closest to canned tomato sauce, and you can thin further for looser dishes.
How many quarts of canned tomatoes come from a bushel?
A bushel weighs about 53 pounds and yields 15 to 20 quarts of home-canned tomatoes. Each quart jar takes roughly 2½ to 3½ pounds of fresh fruit depending on the pack.
Bottom line: memorize the master line. A pound is three mediums, two and a half cups chopped, one standard can. The tables handle the rest. Weigh when it matters, use the calculator when it’s odd amounts, and talk in bushels when the canner comes out. The whole tomato kitchen assembles at our cooking home base.