TOTALYTD, TOTALQTD, TOTALMTD in Power BI - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does the TOTALYTD function do in Power BI?

TOTALYTD calculates the total of a measure from the start of the year up to the current date in the filter context.

beginner

How is TOTALQTD different from TOTALYTD?

TOTALQTD sums a measure from the start of the current quarter up to the current date, while TOTALYTD sums from the start of the year.

beginner

What is the purpose of TOTALMTD in Power BI?

TOTALMTD calculates the total of a measure from the start of the current month up to the current date.

intermediate

Write a simple DAX formula using TOTALYTD to calculate year-to-date sales.

Total Sales YTD = TOTALYTD(SUM(Sales[Amount]), Dates[Date])
This sums sales from the start of the year to the current date.

beginner

Why do TOTALYTD, TOTALQTD, and TOTALMTD require a date column?

They need a date column to know the time range for calculation, like year start, quarter start, or month start up to the current date.

What does TOTALQTD calculate?

A Total from the start of the quarter to the current date

B Total from the start of the year to the current date

C Total from the start of the month to the current date

D Total for the entire year

TOTALQTD sums values from the beginning of the quarter to the current date.

Which function would you use to get sales totals from the start of the month to today?

A TOTALYTD

B TOTALQTD

C TOTALMTD

D SUM

TOTALMTD calculates totals from the start of the month to the current date.

What is required as the second argument in TOTALYTD?

A A numeric value

B A text string

C A filter expression

D A date column

The second argument must be a date column to define the time range.

Which of these is NOT true about TOTALYTD?

A It sums values from the start of the year

B It sums values from the start of the month

C It requires a date column

D It returns a running total up to the current date

TOTALYTD sums from the year start, not the month start.

What happens if the date column passed to TOTALMTD has missing dates?

A The calculation ignores missing dates and sums available dates

B The function sums only the first date

C The function sums all dates regardless

D The function returns an error

TOTALMTD sums over available dates; missing dates are ignored in the calculation.

Explain how TOTALYTD, TOTALQTD, and TOTALMTD help in analyzing sales data over time.

Think about how these functions show progress over different time periods.

Describe a simple example of using TOTALQTD in a sales report.

Imagine you want to see how much sales happened this quarter so far.

Practice

1. What does the TOTALYTD function do in Power BI?

easy

A. Calculates the average of values for the entire year.

B. Calculates the sum of values for the current month only.

C. Calculates the sum of values for the current quarter only.

D. Calculates the sum of values from the start of the year to the current date.

Solution

1. Step 1: Understand the purpose of TOTALYTD

   TOTALYTD sums values from the beginning of the year up to the current date.

2. Step 2: Compare with other time functions

   TOTALMTD sums for the month, TOTALQTD sums for the quarter, so TOTALYTD is for the year.

3. Final Answer:

   Calculates the sum of values from the start of the year to the current date. -> Option D

4. Quick Check:

   TOTALYTD = Year-to-date sum [OK]

Hint: YTD means year-to-date sum from Jan 1 to today [OK]

Common Mistakes:

• Confusing TOTALYTD with TOTALMTD or TOTALQTD
• Thinking it calculates average instead of sum
• Using it without a proper date column

2. Which of the following is the correct syntax to calculate the quarter-to-date total sales using TOTALQTD?

easy

A. TOTALQTD(SUM(Sales[Amount]), Sales[Date])

B. TOTALQTD(Sales[Amount], Sales[Date])

C. TOTALQTD(SUM(Sales[Amount]))

D. TOTALQTD(Sales[Date], SUM(Sales[Amount]))

Solution

1. Step 1: Identify correct function parameters

   TOTALQTD requires an aggregation (like SUM) as first argument and a date column as second.

2. Step 2: Check each option

   TOTALQTD(SUM(Sales[Amount]), Sales[Date]) uses SUM(Sales[Amount]) and Sales[Date] correctly. Others miss SUM or swap arguments.

3. Final Answer:

   TOTALQTD(SUM(Sales[Amount]), Sales[Date]) -> Option A

4. Quick Check:

   Syntax = TOTALQTD(SUM(column), date) [OK]

Hint: First argument SUM, second argument date column [OK]

Common Mistakes:

• Omitting SUM aggregation
• Swapping argument order
• Using a non-date column as date argument

3. Given the following DAX measure:

Sales YTD = TOTALYTD(SUM(Sales[Amount]), Sales[Date])

If today is March 15, 2024, and sales amounts are:
- Jan: 1000
- Feb: 1500
- Mar (up to 15th): 500
What is the value of Sales YTD?

medium

A. 1500

B. 500

C. 3000

D. 2500

Solution

1. Step 1: Understand TOTALYTD calculation

   TOTALYTD sums all sales from Jan 1 to current date (March 15).

2. Step 2: Add sales amounts up to March 15

   Jan (1000) + Feb (1500) + Mar (500) = 3000 total.

3. Final Answer:

   3000 -> Option C

4. Quick Check:

   YTD sum = 1000+1500+500 = 3000 [OK]

Hint: Add all months from Jan 1 to current date [OK]

Common Mistakes:

• Only summing current month
• Ignoring partial month sales
• Confusing quarter-to-date with year-to-date

4. You wrote this measure:

Sales QTD = TOTALQTD(Sales[Amount], Sales[Date])

But it returns an error. What is the likely problem?

medium

A. Missing aggregation function like SUM around Sales[Amount].

B. Date column Sales[Date] is not sorted.

C. TOTALQTD cannot be used with date columns.

D. Measure name cannot contain spaces.

Solution

1. Step 1: Check function arguments

   TOTALQTD requires an aggregation function like SUM as first argument, not a column alone.

2. Step 2: Identify error cause

   Using Sales[Amount] directly causes syntax error; wrapping with SUM fixes it.

3. Final Answer:

   Missing aggregation function like SUM around Sales[Amount]. -> Option A

4. Quick Check:

   Use SUM(column) inside TOTALQTD [OK]

Hint: Always wrap value column with SUM inside TOTALQTD [OK]

Common Mistakes:

• Passing column directly without aggregation
• Assuming date column sorting causes error
• Thinking measure names cannot have spaces

5. You want to create a measure that shows the month-to-date sales but resets correctly at the start of each quarter. Which DAX expression should you use?

hard

A. TOTALMTD(SUM(Sales[Amount]), Sales[Date])

B. CALCULATE(SUM(Sales[Amount]), DATESBETWEEN(Sales[Date], STARTOFQUARTER(Sales[Date]), TODAY()))

C. TOTALQTD(SUM(Sales[Amount]), Sales[Date])

D. CALCULATE(SUM(Sales[Amount]), DATESBETWEEN(Sales[Date], STARTOFMONTH(Sales[Date]), TODAY()))

Solution

1. Step 1: Understand requirement

   Measure must sum sales from start of each quarter up to today (month-to-date but resets quarterly).

2. Step 2: Analyze options

   TOTALMTD(SUM(Sales[Amount]), Sales[Date]) sums month-to-date but resets monthly, not quarterly.
   TOTALQTD(SUM(Sales[Amount]), Sales[Date]) sums quarter-to-date, not month-to-date.
   CALCULATE(SUM(Sales[Amount]), DATESBETWEEN(Sales[Date], STARTOFMONTH(Sales[Date]), TODAY())) sums month-to-date using CALCULATE but resets monthly.
   CALCULATE(SUM(Sales[Amount]), DATESBETWEEN(Sales[Date], STARTOFQUARTER(Sales[Date]), TODAY())) sums sales from start of quarter to today, effectively month-to-date within quarter.

3. Final Answer:

   CALCULATE(SUM(Sales[Amount]), DATESBETWEEN(Sales[Date], STARTOFQUARTER(Sales[Date]), TODAY())) -> Option B

4. Quick Check:

   Use DATESBETWEEN with STARTOFQUARTER for quarterly reset [OK]

Hint: Use DATESBETWEEN with STARTOFQUARTER for custom MTD reset [OK]

Common Mistakes:

• Using TOTALMTD which resets monthly, not quarterly
• Confusing TOTALQTD with month-to-date logic
• Not using CALCULATE with date range for custom resets