Hours to Minutes Converter

Q: What is the Excel formula for hours to minutes?

If A1 contains decimal hours, use =A1*60.

Convert decimal hours or hours and minutes into total minutes, HH:MM, seconds, and days. Includes batch conversion, reference charts, and spreadsheet formulas.

Convert hours

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Smart input overrides the fields below when it contains a value.

Converter mode

Decimal hourshours

Decimal places

Rounding

Results

Enter hours and select Convert.

Total minutes—

Hours + minutes—

HH:MM—

Total seconds—

Days—

Exact calculations will appear here.

Portion of a 24-hour day—

Formula

Hours to minutes: minutes = hours × 60.

Hours and minutes: total minutes = (hours × 60) + minutes.

Minutes to hours: hours = minutes ÷ 60.

Batch hours converterConvert multiple hour, HH:MM, or minute values together

Hours-to-minutes reference chartQuarter-hour values from 0.25 to 24 hours

Hours	Minutes	HH:MM	Seconds

Excel & Google Sheets formulasCopy formulas for an hours cell

Hours cell

People used this calculator

Your current platform: —

Method usedMultiply decimal hours by 60, or multiply full hours by 60 and add remaining minutes

Outputs supportedTotal minutes, hours and minutes, HH:MM, seconds, days, batch values, charts, and spreadsheet formulas

Last reviewedJuly 18, 2026 • CalculatorGeek Algorithmic Team

Important noteDecimal hours and clock time use different notation; displayed fractional minutes may be rounded

Direct answer: To convert hours to minutes, multiply the number of hours by 60. For example, 2.5 hours × 60 = 150 minutes.

What the Hours to Minutes Converter Does

Use this calculator for whole hours, decimal hours, hours-and-minutes input, HH:MM, or reverse minutes-to-hours conversion. It reports total minutes, readable hours and minutes, HH:MM, total seconds, and the equivalent fraction of a day.

Input	Total minutes	Readable result
0.25 hours	15 minutes	0 hours 15 minutes
1.5 hours	90 minutes	1 hour 30 minutes
1.75 hours	105 minutes	1 hour 45 minutes
8 hours	480 minutes	8 hours

Formula and Methodology

NIST documents the exact relationships 1 hour = 60 minutes = 3,600 seconds. See the NIST Guide to the SI.

minutes = decimal hours × 60
total minutes = hours × 60 + remaining minutes
seconds = total minutes × 60

Decimal-hour warning: 1.30 hours is not 1 hour 30 minutes. 1.30 hours = 78 minutes = 1 hour 18 minutes. One hour 30 minutes is 1.50 hours.

The converter calculates the exact total first. Display rounding is applied after conversion so intermediate values are not prematurely shortened.

How to Use the Converter

Enter a value such as 1.5 hours, 2:30, or 8 hours.
Choose decimal hours to minutes, hours plus minutes to total minutes, or the reverse mode.
Select decimal precision and rounding direction if the input produces fractional minutes.
Copy the required result, use the batch converter, consult the quarter-hour chart, or generate an Excel/Google Sheets formula.

Worked Examples

Convert 0.3 Hours to Minutes

0.3 × 60 = 18 minutes. This is a common misconception: 0.3 of an hour is not 30 minutes.

Convert 1.75 Hours to Minutes

1.75 × 60 = 105 minutes. The decimal part, 0.75, represents 45 minutes, so the readable result is 1 hour 45 minutes.

Convert 7 Hours 25 Minutes to Total Minutes

7 × 60 + 25 = 445 minutes. Use this method when hours and minutes are supplied separately rather than as one decimal number.

Common Hours-to-Minutes Chart

Hours	Minutes
0.25	15
0.5	30
0.75	45
1	60
1.5	90
2	120
4	240
8	480
12	720
24	1,440

Decimal Hours vs. Clock Time

Decimal hours use base 10 after the decimal point; clock time uses 60 minutes per hour. Convert only the decimal fraction by multiplying it by 60. For example, 3.25 hours is 3 hours plus 0.25 × 60 = 15 minutes, or 03:15.

Common Mistakes

Reading 1.75 as 1 hour 75 minutes instead of 1 hour 45 minutes.
Treating 2:30 as 2.30 decimal hours.
Multiplying only the fractional part when the task requires total minutes.
Rounding decimal hours before multiplying, which can change the minute total.

Practical Uses

Hours-to-minutes conversion supports project estimates, class schedules, exercise plans, media runtimes, machine cycles, travel planning, timesheets, and billing. For payroll-specific rounding and variance, use the dedicated payroll chart rather than applying a display rounding rule.

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Frequently Asked Questions

What is the formula for hours to minutes?

Multiply decimal hours by 60. The formula is total minutes = hours × 60.

How many minutes are in 1.5 hours?

One and a half hours equals 90 minutes because 1.5 × 60 = 90.

What is 0.3 of an hour in minutes?

0.3 hours equals 18 minutes because 0.3 × 60 = 18.

What is 1.75 hours in hours and minutes?

1.75 hours equals 1 hour 45 minutes, or 105 total minutes.

How many minutes are in 8 hours?

Eight hours equals 480 minutes.

How do I convert hours and minutes to total minutes?

Multiply the hours by 60 and add the remaining minutes. For 2 hours 30 minutes, calculate 2 × 60 + 30 = 150 minutes.

Is 2.30 hours the same as 2 hours 30 minutes?

No. 2.30 decimal hours equals 2 hours 18 minutes. Two hours 30 minutes equals 2.50 decimal hours.

What is the Excel formula for hours to minutes?

If A1 contains decimal hours, use =A1*60.

References

The methodology and guidance on this page use the following authoritative or operational sources:

National Institute of Standards and Technology. NIST Guide to the SI, Chapter 5: Units Outside the SI.