util.math.round

local result = util.math.round(
    value,
    decimals = 0
)

Type	Name	Description
`float`	value	Number to round
`int`	decimals	Number of decimal places to round to - negative values round to the nearest power of ten

Type	Name	Description
`float`	result	value rounded to decimals places, rounding halfway cases away from zero

Round to the nearest whole number by default

local result = util.math.round(3.14159)

core.engine.print("info", result) -- 3.0

Round to two decimal places

local result = util.math.round(3.14159, 2)

core.engine.print("info", result) -- 3.14

Halfway values round away from zero

local result = util.math.round(2.5)

core.engine.print("info", result) -- 3.0
core.engine.print("info", util.math.round(-2.5)) -- -3.0

Use negative decimals to round to the nearest ten

local result = util.math.round(123.456, -1)

core.engine.print("info", result) -- 120.0

Round a player's display health to a whole number

local health = 67.8234
local display_health = util.math.round(health)

core.engine.print("info", display_health) -- 68.0