Enter two or more numbers to multiply them all together.
How to Use the Multiplication Calculator
Add or remove rows with the buttons under the list, type a number into each field, and the product recalculates as you go. Three rows are there to start — 4, 5, and 6 — but nothing caps how many you add.
Multiplying more than two numbers is just chaining the operation: multiply the first two, multiply that result by the third, and keep going. Order doesn't matter here — 4 × 5 × 6 comes out the same regardless of which pair goes first.
4 × 5 × 6 = 120One thing worth flagging, since it doesn't hold for addition: drop a single zero anywhere in the list and the whole product collapses to zero, no matter how many other numbers are sitting there. Addition doesn't have that failure mode — a zero in a sum just contributes nothing, and everything else stays intact.
Negative numbers follow the usual sign rule, extended across however many rows are active: an even count of negatives in the list makes the product positive, an odd count makes it negative. Three negatives among five numbers still nets a negative result — you'd need a fourth to flip it back. The Count field underneath is nothing fancier than a running tally of how many rows you've got.
The list format also suits chained calculations that would otherwise need a typed expression — total cost across a quantity, a unit price, and a tax multiplier, say, each living in its own field instead of one long string of numbers and asterisks.