Daily DAX : Day 461 TOTALWTD

TOTALWTD – Week-to-Date Total

TOTALWTD is a DAX time-intelligence function in Power BI that calculates the cumulative total (running total) from the start of the week up to the current date in context.

Syntax

TOTALWTD(
    <expression>,
    <dates>
    [,<filter>]
)

Parameters

  • <expression> → usually an aggregation like SUM(Sales[Amount])
  • <dates> → reference to your date column (e.g. 'Calendar'[Date])
  • [<filter>] → optional additional filter (rarely used)

Important Requirements

  • The table containing <dates> must be marked as a Date table in Power BI
  • Week starts on Sunday by default (standard ISO-like week behavior in most cases)
  • Does not work reliably in DirectQuery mode for calculated columns / RLS

Common Use Cases

1. Week-to-date Sales
WTD Sales = 
TOTALWTD( 
    SUM(Sales[Amount]), 
    'Calendar'[Date] 
)

→ Shows sales from Monday (or Sunday) until the selected day.

2. Compare WTD this year vs last year
WTD Sales LY = 
CALCULATE( 
    [WTD Sales], 
    SAMEPERIODLASTYEAR('Calendar'[Date]) 
)
3. Week-to-date Orders in a card / KPI visual

Very popular in retail, call-centers, logistics, daily operations dashboards.

Quick Comparison – Similar functions

Function Period Starts from
TOTALWTDWeekStart of week
TOTALMTDMonth1st of month
TOTALQTDQuarterStart of quarter
TOTALYTDYear1st of year (or custom fiscal start)

Tip

If your week starts on Monday (very common in Europe/UK), make sure your calendar table correctly reflects it — TOTALWTD respects the first day present in the current week context.

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