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Hours and Minutes Calculator

Add up a week of hours and minutes in one go. Enter each day, and get the total in hours and minutes, in decimal hours for payroll, and as a daily average.

Add up to seven entries

0:00

Total hours and minutes

Decimal hours

0.00

What payroll takes

Total minutes

0

All entries added

Daily average

0:00

Across 0 entries

Reference

Minutes to hours, worked out

For checking a single day before it goes into the total. Find the minutes and read across for hours and minutes, clock form, and the decimal payroll takes.

1 to 120 minutes1 to 120 minutes written as hours and minutes, clock time, and decimal hours.
1 to 120 minutes written as hours and minutes, clock time, and decimal hours.
MinutesIn wordsClockDecimal
1 min1 minute0:010.02
2 min2 minutes0:020.03
3 min3 minutes0:030.05
4 min4 minutes0:040.07
5 min5 minutes0:050.08
6 min6 minutes0:060.10
7 min7 minutes0:070.12
8 min8 minutes0:080.13
9 min9 minutes0:090.15
10 min10 minutes0:100.17
11 min11 minutes0:110.18
12 min12 minutes0:120.20
13 min13 minutes0:130.22
14 min14 minutes0:140.23
15 min15 minutes0:150.25
16 min16 minutes0:160.27
17 min17 minutes0:170.28
18 min18 minutes0:180.30
19 min19 minutes0:190.32
20 min20 minutes0:200.33
21 min21 minutes0:210.35
22 min22 minutes0:220.37
23 min23 minutes0:230.38
24 min24 minutes0:240.40
25 min25 minutes0:250.42
26 min26 minutes0:260.43
27 min27 minutes0:270.45
28 min28 minutes0:280.47
29 min29 minutes0:290.48
30 min30 minutes0:300.50
31 min31 minutes0:310.52
32 min32 minutes0:320.53
33 min33 minutes0:330.55
34 min34 minutes0:340.57
35 min35 minutes0:350.58
36 min36 minutes0:360.60
37 min37 minutes0:370.62
38 min38 minutes0:380.63
39 min39 minutes0:390.65
40 min40 minutes0:400.67
41 min41 minutes0:410.68
42 min42 minutes0:420.70
43 min43 minutes0:430.72
44 min44 minutes0:440.73
45 min45 minutes0:450.75
46 min46 minutes0:460.77
47 min47 minutes0:470.78
48 min48 minutes0:480.80
49 min49 minutes0:490.82
50 min50 minutes0:500.83
51 min51 minutes0:510.85
52 min52 minutes0:520.87
53 min53 minutes0:530.88
54 min54 minutes0:540.90
55 min55 minutes0:550.92
56 min56 minutes0:560.93
57 min57 minutes0:570.95
58 min58 minutes0:580.97
59 min59 minutes0:590.98
60 min1 hour1:001.00
61 min1 hour 1 minute1:011.02
62 min1 hour 2 minutes1:021.03
63 min1 hour 3 minutes1:031.05
64 min1 hour 4 minutes1:041.07
65 min1 hour 5 minutes1:051.08
66 min1 hour 6 minutes1:061.10
67 min1 hour 7 minutes1:071.12
68 min1 hour 8 minutes1:081.13
69 min1 hour 9 minutes1:091.15
70 min1 hour 10 minutes1:101.17
71 min1 hour 11 minutes1:111.18
72 min1 hour 12 minutes1:121.20
73 min1 hour 13 minutes1:131.22
74 min1 hour 14 minutes1:141.23
75 min1 hour 15 minutes1:151.25
76 min1 hour 16 minutes1:161.27
77 min1 hour 17 minutes1:171.28
78 min1 hour 18 minutes1:181.30
79 min1 hour 19 minutes1:191.32
80 min1 hour 20 minutes1:201.33
81 min1 hour 21 minutes1:211.35
82 min1 hour 22 minutes1:221.37
83 min1 hour 23 minutes1:231.38
84 min1 hour 24 minutes1:241.40
85 min1 hour 25 minutes1:251.42
86 min1 hour 26 minutes1:261.43
87 min1 hour 27 minutes1:271.45
88 min1 hour 28 minutes1:281.47
89 min1 hour 29 minutes1:291.48
90 min1 hour 30 minutes1:301.50
91 min1 hour 31 minutes1:311.52
92 min1 hour 32 minutes1:321.53
93 min1 hour 33 minutes1:331.55
94 min1 hour 34 minutes1:341.57
95 min1 hour 35 minutes1:351.58
96 min1 hour 36 minutes1:361.60
97 min1 hour 37 minutes1:371.62
98 min1 hour 38 minutes1:381.63
99 min1 hour 39 minutes1:391.65
100 min1 hour 40 minutes1:401.67
101 min1 hour 41 minutes1:411.68
102 min1 hour 42 minutes1:421.70
103 min1 hour 43 minutes1:431.72
104 min1 hour 44 minutes1:441.73
105 min1 hour 45 minutes1:451.75
106 min1 hour 46 minutes1:461.77
107 min1 hour 47 minutes1:471.78
108 min1 hour 48 minutes1:481.80
109 min1 hour 49 minutes1:491.82
110 min1 hour 50 minutes1:501.83
111 min1 hour 51 minutes1:511.85
112 min1 hour 52 minutes1:521.87
113 min1 hour 53 minutes1:531.88
114 min1 hour 54 minutes1:541.90
115 min1 hour 55 minutes1:551.92
116 min1 hour 56 minutes1:561.93
117 min1 hour 57 minutes1:571.95
118 min1 hour 58 minutes1:581.97
119 min1 hour 59 minutes1:591.98
120 min2 hours2:002.00
121 to 300 minutes121 to 300 minutes written as hours and minutes, clock time, and decimal hours.
121 to 300 minutes written as hours and minutes, clock time, and decimal hours.
MinutesIn wordsClockDecimal
125 min2 hours 5 minutes2:052.08
130 min2 hours 10 minutes2:102.17
135 min2 hours 15 minutes2:152.25
140 min2 hours 20 minutes2:202.33
145 min2 hours 25 minutes2:252.42
150 min2 hours 30 minutes2:302.50
155 min2 hours 35 minutes2:352.58
160 min2 hours 40 minutes2:402.67
165 min2 hours 45 minutes2:452.75
170 min2 hours 50 minutes2:502.83
175 min2 hours 55 minutes2:552.92
180 min3 hours3:003.00
185 min3 hours 5 minutes3:053.08
190 min3 hours 10 minutes3:103.17
195 min3 hours 15 minutes3:153.25
200 min3 hours 20 minutes3:203.33
205 min3 hours 25 minutes3:253.42
210 min3 hours 30 minutes3:303.50
215 min3 hours 35 minutes3:353.58
220 min3 hours 40 minutes3:403.67
225 min3 hours 45 minutes3:453.75
230 min3 hours 50 minutes3:503.83
235 min3 hours 55 minutes3:553.92
240 min4 hours4:004.00
245 min4 hours 5 minutes4:054.08
250 min4 hours 10 minutes4:104.17
255 min4 hours 15 minutes4:154.25
260 min4 hours 20 minutes4:204.33
265 min4 hours 25 minutes4:254.42
270 min4 hours 30 minutes4:304.50
275 min4 hours 35 minutes4:354.58
280 min4 hours 40 minutes4:404.67
285 min4 hours 45 minutes4:454.75
290 min4 hours 50 minutes4:504.83
295 min4 hours 55 minutes4:554.92
300 min5 hours5:005.00
301 to 720 minutes301 to 720 minutes written as hours and minutes, clock time, and decimal hours.
301 to 720 minutes written as hours and minutes, clock time, and decimal hours.
MinutesIn wordsClockDecimal
330 min5 hours 30 minutes5:305.50
360 min6 hours6:006.00
390 min6 hours 30 minutes6:306.50
420 min7 hours7:007.00
450 min7 hours 30 minutes7:307.50
480 min8 hours8:008.00
500 min8 hours 20 minutes8:208.33
510 min8 hours 30 minutes8:308.50
540 min9 hours9:009.00
570 min9 hours 30 minutes9:309.50
600 min10 hours10:0010.00
630 min10 hours 30 minutes10:3010.50
660 min11 hours11:0011.00
690 min11 hours 30 minutes11:3011.50
720 min12 hours12:0012.00
721 minutes and up721 minutes and up written as hours and minutes, clock time, and decimal hours.
721 minutes and up written as hours and minutes, clock time, and decimal hours.
MinutesIn wordsClockDecimal
750 min12 hours 30 minutes12:3012.50
780 min13 hours13:0013.00
810 min13 hours 30 minutes13:3013.50
840 min14 hours14:0014.00
870 min14 hours 30 minutes14:3014.50
900 min15 hours15:0015.00
930 min15 hours 30 minutes15:3015.50
960 min16 hours16:0016.00
990 min16 hours 30 minutes16:3016.50
1000 min16 hours 40 minutes16:4016.67
1020 min17 hours17:0017.00
1050 min17 hours 30 minutes17:3017.50
1080 min18 hours18:0018.00
1110 min18 hours 30 minutes18:3018.50
1140 min19 hours19:0019.00
1170 min19 hours 30 minutes19:3019.50
1200 min20 hours20:0020.00
1230 min20 hours 30 minutes20:3020.50
1260 min21 hours21:0021.00
1290 min21 hours 30 minutes21:3021.50
1320 min22 hours22:0022.00
1350 min22 hours 30 minutes22:3022.50
1380 min23 hours23:0023.00
1410 min23 hours 30 minutes23:3023.50
1440 min24 hours24:0024.00
1500 min25 hours25:0025.00
2000 min33 hours 20 minutes33:2033.33
2880 min48 hours48:0048.00
4320 min72 hours72:0072.00

Why a normal calculator gets this wrong

Type 1.45 plus 1.45 into a pocket calculator and it says 2.90. If those were meant to be 1 hour 45 minutes each, the right answer is 3 hours 30, and the calculator was never going to find it.

The reason is that time carries at 60 and arithmetic carries at 10. A calculator has no way to know that the 45 after the point means minutes rather than hundredths.

So either convert to decimal first, where 1 hour 45 is 1.75, or use something that carries at 60. This page does the second, which is why the entries are separate hour and minute boxes rather than one number.

Adding a week, not a pair

Totalling two times is easy enough by hand. The job people actually have is a week: seven daily figures that each need adding, with a carry every time the minutes pass 60.

That is where hand totals go wrong, and the error is almost always a whole hour rather than a small one, because a missed carry is 60 minutes. On a timesheet, an hour is the difference between a correct payslip and a query.

Enter each day above and the carrying is handled once, at the end, on the total. The daily average is there as a sanity check: if it looks unlike your week, a digit is probably in the wrong box.

The total payroll actually wants

Whatever the week comes to in hours and minutes, payroll needs it as a decimal, because pay is hours multiplied by a rate and 38:45 cannot be multiplied.

38 hours 45 minutes is 38.75, not 38.45. Both readings look plausible on the page and only one of them pays correctly, which is why the decimal is given here rather than left as an exercise.

Doing this every week by hand is the part worth removing. Timesheets total the period as it happens, per client and project, and route it to an approver already in decimal hours.

To add just two durations, the time calculator is quicker, and for a grid of clock-in and clock-out times use the time card calculator.

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Answers

Frequently asked questions

Common queries and answers about the hours and minutes calculator.

How do I add hours and minutes?
Add all the minutes first, then convert every 60 of them into an hour and carry it across. Add the hours last, including whatever was carried.
How do I add up a week of hours?
Total each day, then add the days together. Enter all seven above and it carries at 60 for you, which is where hand totals usually slip.
What is 7 hours 45 minutes plus 8 hours 30 minutes?
16 hours 15 minutes. The minutes come to 75, so one hour carries across leaving 15, on top of the 15 hours.
How do I convert the total to decimal hours?
Divide the leftover minutes by 60 and add them to the hours. 16 hours 15 minutes is 16.25, because 15 divided by 60 is 0.25.
Why does my calculator give a strange answer for time?
An ordinary calculator adds in base 10, so 1.45 plus 1.45 gives 2.90 rather than 3 hours 30. Time carries at 60, not 100.
What is 40 hours in decimal?
40.00. Whole hours are the same in both forms, and only the minutes part ever changes.
How many hours is a full-time week?
40 hours in the US, which is five 8-hour days. Anything past 40 in a workweek is normally overtime at 1.5 times the rate.
Should I include breaks in the total?
Only if they are paid. An unpaid lunch should be taken off each day before you enter it here.
Can I add more than seven entries?
Seven covers a week, which is what most people need. For a longer period, total each week here and then add the weekly figures together.
Does this save what I type?
No. It runs entirely in your browser and nothing is stored or sent anywhere.

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