Rounding Calculator

Round a number to a chosen number of decimal places, or up/down/towards zero.

Enter values

Number

Decimal places

Mode

—

scale by 10ᵈ, apply the rounding rule, scale back

All calculations run locally in your browser and update instantly as you type.

What is “towards zero” rounding?+

It simply drops the extra digits (truncation), so 2.78 becomes 2 and −2.78 becomes −2 — unlike floor, which would give −3.

All calculations run locally in your browser. Nothing you type is sent to a server.