you're likely to be most fertile
Aug 13 – Aug 18, 2026
🥚 Ovulation occurs on Aug 17
🧪 Test for pregnancy on Aug 27
Ovulation day Fertile Days Resulting Due Date
Aug 17, 2026 Aug 13, 2026 to Aug 18, 2026 May 10, 2027
Sep 14, 2026 Sep 10, 2026 to Sep 15, 2026 Jun 7, 2027
Oct 12, 2026 Oct 8, 2026 to Oct 13, 2026 Jul 5, 2027
Nov 9, 2026 Nov 5, 2026 to Nov 10, 2026 Aug 2, 2027
Dec 7, 2026 Dec 3, 2026 to Dec 8, 2026 Aug 30, 2027
Jan 4, 2027 Dec 31, 2026 to Jan 5, 2027 Sep 27, 2027
Feb 1, 2027 Jan 28, 2027 to Feb 2, 2027 Oct 25, 2027
Mar 1, 2027 Feb 25, 2027 to Mar 2, 2027 Nov 22, 2027
Mar 29, 2027 Mar 25, 2027 to Mar 30, 2027 Dec 20, 2027
Apr 26, 2027 Apr 22, 2027 to Apr 27, 2027 Jan 17, 2028
May 24, 2027 May 20, 2027 to May 25, 2027 Feb 14, 2028
Jun 21, 2027 Jun 17, 2027 to Jun 22, 2027 Mar 13, 2028
Currently viewing calculations for 12 months, switch to 1, 2, 4 or 8.
July 2026
Sun Mon Tue Wed Thu Fri Sat
      1 2Pregnancy Test 3 4
5 6Menstrual Flow 7Heavy Menstrual Flow 8Medium Menstrual Flow 9Light Menstrual Flow 10Light Menstrual Flow 11
12 13 14 15 16Low Fertility 17Medium Fertility 18Medium Fertility
19High Fertility 20Highest Fertility (Ovulation) 21Low Fertility 22 23 24 25
26 27 28 29 30Pregnancy Test 31  
August 2026
Sun Mon Tue Wed Thu Fri Sat
            1
2 3Menstrual Flow 4Heavy Menstrual Flow 5Medium Menstrual Flow 6Light Menstrual Flow 7Light Menstrual Flow 8
9 10 11 12 13Low Fertility 14Medium Fertility 15Medium Fertility
16High Fertility 17Highest Fertility (Ovulation) 18Low Fertility 19 20 21 22
23 24 25 26 27Pregnancy Test 28 29
30 31Menstrual Flow          
September 2026
Sun Mon Tue Wed Thu Fri Sat
    1Heavy Menstrual Flow 2Medium Menstrual Flow 3Light Menstrual Flow 4Light Menstrual Flow 5
6 7 8 9 10Low Fertility 11Medium Fertility 12Medium Fertility
13High Fertility 14Highest Fertility (Ovulation) 15Low Fertility 16 17 18 19
20 21 22 23 24Pregnancy Test 25 26
27 28Menstrual Flow 29Heavy Menstrual Flow 30Medium Menstrual Flow      
October 2026
Sun Mon Tue Wed Thu Fri Sat
        1Light Menstrual Flow 2Light Menstrual Flow 3
4 5 6 7 8Low Fertility 9Medium Fertility 10Medium Fertility
11High Fertility 12Highest Fertility (Ovulation) 13Low Fertility 14 15 16 17
18 19 20 21 22Pregnancy Test 23 24
25 26Menstrual Flow 27Heavy Menstrual Flow 28Medium Menstrual Flow 29Light Menstrual Flow 30Light Menstrual Flow 31
November 2026
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5Low Fertility 6Medium Fertility 7Medium Fertility
8High Fertility 9Highest Fertility (Ovulation) 10Low Fertility 11 12 13 14
15 16 17 18 19Pregnancy Test 20 21
22 23Menstrual Flow 24Heavy Menstrual Flow 25Medium Menstrual Flow 26Light Menstrual Flow 27Light Menstrual Flow 28
29 30          
December 2026
Sun Mon Tue Wed Thu Fri Sat
    1 2 3Low Fertility 4Medium Fertility 5Medium Fertility
6High Fertility 7Highest Fertility (Ovulation) 8Low Fertility 9 10 11 12
13 14 15 16 17Pregnancy Test 18 19
20 21Menstrual Flow 22Heavy Menstrual Flow 23Medium Menstrual Flow 24Light Menstrual Flow 25Light Menstrual Flow 26
27 28 29 30 31Low Fertility    
January 2027
Sun Mon Tue Wed Thu Fri Sat
          1Medium Fertility 2Medium Fertility
3High Fertility 4Highest Fertility (Ovulation) 5Low Fertility 6 7 8 9
10 11 12 13 14Pregnancy Test 15 16
17 18Menstrual Flow 19Heavy Menstrual Flow 20Medium Menstrual Flow 21Light Menstrual Flow 22Light Menstrual Flow 23
24 25 26 27 28Low Fertility 29Medium Fertility 30Medium Fertility
31High Fertility            
February 2027
Sun Mon Tue Wed Thu Fri Sat
  1Highest Fertility (Ovulation) 2Low Fertility 3 4 5 6
7 8 9 10 11Pregnancy Test 12 13
14 15Menstrual Flow 16Heavy Menstrual Flow 17Medium Menstrual Flow 18Light Menstrual Flow 19Light Menstrual Flow 20
21 22 23 24 25Low Fertility 26Medium Fertility 27Medium Fertility
28High Fertility            
March 2027
Sun Mon Tue Wed Thu Fri Sat
  1Highest Fertility (Ovulation) 2Low Fertility 3 4 5 6
7 8 9 10 11Pregnancy Test 12 13
14 15Menstrual Flow 16Heavy Menstrual Flow 17Medium Menstrual Flow 18Light Menstrual Flow 19Light Menstrual Flow 20
21 22 23 24 25Low Fertility 26Medium Fertility 27Medium Fertility
28High Fertility 29Highest Fertility (Ovulation) 30Low Fertility 31      
April 2027
Sun Mon Tue Wed Thu Fri Sat
        1 2 3
4 5 6 7 8Pregnancy Test 9 10
11 12Menstrual Flow 13Heavy Menstrual Flow 14Medium Menstrual Flow 15Light Menstrual Flow 16Light Menstrual Flow 17
18 19 20 21 22Low Fertility 23Medium Fertility 24Medium Fertility
25High Fertility 26Highest Fertility (Ovulation) 27Low Fertility 28 29 30  
May 2027
Sun Mon Tue Wed Thu Fri Sat
            1
2 3 4 5 6Pregnancy Test 7 8
9 10Menstrual Flow 11Heavy Menstrual Flow 12Medium Menstrual Flow 13Light Menstrual Flow 14Light Menstrual Flow 15
16 17 18 19 20Low Fertility 21Medium Fertility 22Medium Fertility
23High Fertility 24Highest Fertility (Ovulation) 25Low Fertility 26 27 28 29
30 31          
June 2027
Sun Mon Tue Wed Thu Fri Sat
    1 2 3Pregnancy Test 4 5
6 7Menstrual Flow 8Heavy Menstrual Flow 9Medium Menstrual Flow 10Light Menstrual Flow 11Light Menstrual Flow 12
13 14 15 16 17Low Fertility 18Medium Fertility 19Medium Fertility
20High Fertility 21Highest Fertility (Ovulation) 22Low Fertility 23 24 25 26
27 28 29 30      

🎨 Legend

  • Low Fertility
  • Medium / High Fertility
  • Highest Fertility (Ovulation)
  • Pregnancy Test
  • Light Menstrual Flow
  • Medium Menstrual Flow
  • Heavy Menstrual Flow
Your chances of conceiving a child are good.

Calculate Again ↺

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Ovulation Calendar is a free fertility tracking tool. Predictions are based on the calendar method using your cycle length and luteal phase. Individual results vary, especially with irregular cycles. This tool is not a substitute for medical advice. Consult your healthcare provider for personalized fertility guidance.