Logical

LET function

Name values for a calculation. LET works in Sheets with the usual arguments and results, on cells and on live data from the tools you connect.

Syntax

=LET(name1, value1, [name2, value2, ...], calculation)
ArgumentUse
name1required, repeatable
value1required, repeatable
name2optional, repeatable
value2required, repeatable
required
calculationrequired

Example

Name intermediate results to keep a formula readable.

fx=LET(paid, SUMIF(D2:D7, "Paid", E2:E7), total, SUM(E2:E7), paid/total)
ABCDEF
1OrderCustomerRegionStatusAmountDate
2#1001Acme LtdNorthPaid12002026-01-14
3#1002Blue FoxSouthOpen4502026-01-20
4#1003Acme LtdNorthPaid9802026-02-03
5#1004Cedar & CoEastOverdue23002026-02-11
6#1005Blue FoxSouthPaid6102026-03-02
7#1006Delta BVWestOpen17502026-03-09
80.3827

Result computed by the Sheets formula engine.

On live data

In Sheets, LET sits next to live data from a connected tool: =data.orders.sum(total) totals a table, =list.orders(customer) spills a column's distinct values, and a linked table column such as table.orders[Total] is a range any function accepts.

See the integrations

More logical functions

All 20 logical functions →

Spreadsheet formulas on live business data

Sheets evaluates 491 spreadsheet functions, on cells and on data read live from your tools.