Utility Tools & Converters
265 Online CalculatorsConvert measurements in your browser, compare results, and copy the answer. No installation required.
Length & Dimensions
Precision metric and imperial conversions (1 in = 2.54 cm exact)
cm ÷ 2.54 Universal
Centimeters to Inches
Convert centimeters and inches, compare ruler fractions, and reverse the conversion.
Centimeters to Inches (100)
Universal Calculator →
1 cm
→
0.3937 inches 2 cm
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0.7874 inches 3 cm
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1.1811 inches 4 cm
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1.5748 inches 5 cm
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1.9685 inches 6 cm
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2.3622 inches 7 cm
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2.7559 inches 8 cm
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3.1496 inches 9 cm
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3.5433 inches 10 cm
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3.937 inches 11 cm
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4.3307 inches 12 cm
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4.7244 inches 13 cm
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5.1181 inches 14 cm
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5.5118 inches 15 cm
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5.9055 inches 16 cm
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6.2992 inches 17 cm
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6.6929 inches 18 cm
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7.0866 inches 19 cm
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7.4803 inches 20 cm
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7.874 inches 21 cm
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8.2677 inches 22 cm
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8.6614 inches 23 cm
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9.0551 inches 24 cm
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9.4488 inches 25 cm
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9.8425 inches 26 cm
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10.2362 inches 27 cm
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10.6299 inches 28 cm
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11.0236 inches 29 cm
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11.4173 inches 30 cm
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11.811 inches 31 cm
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12.2047 inches 32 cm
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12.5984 inches 33 cm
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12.9921 inches 34 cm
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13.3858 inches 35 cm
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13.7795 inches 36 cm
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14.1732 inches 37 cm
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14.5669 inches 38 cm
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14.9606 inches 39 cm
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15.3543 inches 40 cm
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15.748 inches 41 cm
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16.1417 inches 42 cm
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16.5354 inches 43 cm
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16.9291 inches 44 cm
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17.3228 inches 45 cm
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17.7165 inches 46 cm
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18.1102 inches 47 cm
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18.5039 inches 48 cm
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18.8976 inches 49 cm
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19.2913 inches 50 cm
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19.685 inches 51 cm
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20.0787 inches 52 cm
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20.4724 inches 53 cm
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20.8661 inches 54 cm
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21.2598 inches 55 cm
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21.6535 inches 56 cm
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22.0472 inches 57 cm
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22.4409 inches 58 cm
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22.8346 inches 59 cm
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23.2283 inches 60 cm
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23.622 inches 61 cm
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24.0157 inches 62 cm
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24.4094 inches 63 cm
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24.8031 inches 64 cm
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25.1969 inches 65 cm
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25.5906 inches 66 cm
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25.9843 inches 67 cm
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26.378 inches 68 cm
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26.7717 inches 69 cm
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27.1654 inches 70 cm
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27.5591 inches 71 cm
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27.9528 inches 72 cm
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28.3465 inches 73 cm
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28.7402 inches 74 cm
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29.1339 inches 75 cm
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29.5276 inches 76 cm
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29.9213 inches 77 cm
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30.315 inches 78 cm
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30.7087 inches 79 cm
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31.1024 inches 80 cm
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31.4961 inches 81 cm
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31.8898 inches 82 cm
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32.2835 inches 83 cm
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32.6772 inches 84 cm
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33.0709 inches 85 cm
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33.4646 inches 86 cm
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33.8583 inches 87 cm
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34.252 inches 88 cm
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34.6457 inches 89 cm
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35.0394 inches 90 cm
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35.4331 inches 91 cm
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35.8268 inches 92 cm
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36.2205 inches 93 cm
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36.6142 inches 94 cm
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37.0079 inches 95 cm
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37.4016 inches 96 cm
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37.7953 inches 97 cm
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38.189 inches 98 cm
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38.5827 inches 99 cm
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38.9764 inches 100 cm
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39.3701 inches Liquid & Cooking Volume
US Customary culinary liquid volume standards (1 cup = 8 fl oz)
fl oz ÷ 8 Universal
Fluid Ounces to Cups
Convert US liquid volumes, compare cup fractions, and reverse the conversion.
Fluid Ounces to Cups (32)
Universal Calculator →
1 fl oz
→
1/8 cup (0.125 cups) 2 fl oz
→
1/4 cup (0.25 cups) 3 fl oz
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3/8 cup (0.375 cups) 4 fl oz
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1/2 cup (0.5 cups) 5 fl oz
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5/8 cup (0.625 cups) 6 fl oz
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3/4 cup (0.75 cups) 7 fl oz
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7/8 cup (0.875 cups) 8 fl oz
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1 cup (1 cups) 9 fl oz
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1 1/8 cup (1.125 cups) 10 fl oz
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1 1/4 cup (1.25 cups) 11 fl oz
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1 3/8 cup (1.375 cups) 12 fl oz
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1 1/2 cup (1.5 cups) 13 fl oz
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1 5/8 cup (1.625 cups) 14 fl oz
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1 3/4 cup (1.75 cups) 15 fl oz
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1 7/8 cup (1.875 cups) 16 fl oz
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2 cup (2 cups) 17 fl oz
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2 1/8 cup (2.125 cups) 18 fl oz
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2 1/4 cup (2.25 cups) 19 fl oz
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2 3/8 cup (2.375 cups) 20 fl oz
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2 1/2 cup (2.5 cups) 21 fl oz
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2 5/8 cup (2.625 cups) 22 fl oz
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2 3/4 cup (2.75 cups) 23 fl oz
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2 7/8 cup (2.875 cups) 24 fl oz
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3 cup (3 cups) 25 fl oz
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3 1/8 cup (3.125 cups) 26 fl oz
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3 1/4 cup (3.25 cups) 27 fl oz
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3 3/8 cup (3.375 cups) 28 fl oz
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3 1/2 cup (3.5 cups) 29 fl oz
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3 5/8 cup (3.625 cups) 30 fl oz
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3 3/4 cup (3.75 cups) 31 fl oz
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3 7/8 cup (3.875 cups) 32 fl oz
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4 cup (4 cups) Recipe Halving (1)
Universal Calculator →
Temperature
Celsius and Fahrenheit readings with exact formulas and clear rounding
°F = (°C × 9/5) + 32 Universal
Temperature Converter (Celsius & Fahrenheit)
Convert between Celsius (°C) and Fahrenheit (°F) with bidirectional formula calculation and instant swapping.
Celsius to Fahrenheit (51)
Universal Calculator →
0 °C
→
32 °F 1 °C
→
33.8 °F 2 °C
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35.6 °F 3 °C
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37.4 °F 4 °C
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39.2 °F 5 °C
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41 °F 6 °C
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42.8 °F 7 °C
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44.6 °F 8 °C
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46.4 °F 9 °C
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48.2 °F 10 °C
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50 °F 11 °C
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51.8 °F 12 °C
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53.6 °F 13 °C
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55.4 °F 14 °C
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57.2 °F 15 °C
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59 °F 16 °C
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60.8 °F 17 °C
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62.6 °F 18 °C
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64.4 °F 19 °C
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66.2 °F 20 °C
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68 °F 21 °C
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69.8 °F 22 °C
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71.6 °F 23 °C
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73.4 °F 24 °C
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75.2 °F 25 °C
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77 °F 26 °C
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78.8 °F 27 °C
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80.6 °F 28 °C
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82.4 °F 29 °C
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84.2 °F 30 °C
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86 °F 31 °C
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87.8 °F 32 °C
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89.6 °F 33 °C
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91.4 °F 34 °C
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93.2 °F 35 °C
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95 °F 36 °C
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96.8 °F 37 °C
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98.6 °F 38 °C
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100.4 °F 39 °C
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102.2 °F 40 °C
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104 °F 50 °C
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122 °F 100 °C
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212 °F 150 °C
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302 °F 160 °C
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320 °F 170 °C
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338 °F 180 °C
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356 °F 190 °C
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374 °F 200 °C
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392 °F 220 °C
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428 °F 250 °C
→
482 °F Fahrenheit to Celsius (18)
Universal Calculator →
0 °F
→
approximately -17.78 °C 32 °F
→
0 °C 55 °F
→
approximately 12.78 °C 68 °F
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20 °C 70 °F
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approximately 21.11 °C 72 °F
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approximately 22.22 °C 75 °F
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approximately 23.89 °C 80 °F
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approximately 26.67 °C 100 °F
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approximately 37.78 °C 110 °F
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approximately 43.33 °C 212 °F
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100 °C 220 °F
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approximately 104.44 °C 325 °F
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approximately 162.78 °C 350 °F
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approximately 176.67 °C 375 °F
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approximately 190.56 °C 400 °F
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approximately 204.44 °C 425 °F
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approximately 218.33 °C 450 °F
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approximately 232.22 °C Date & Calendar
Target calendar date arithmetic, date intervals, weekly scheduling, and business day calculations
End Date − Start Date Universal
Date Difference & Interval Calculator
Calculate elapsed calendar days, weekdays, complete weeks, months, or chronological age between two dates with customizable exclusions.
Date Interval Tools (6)
Universal Calculator →
Today ± Days / Weeks Universal
Relative Date Calculator
Calculate target dates ahead or in the past, compare Monday-to-Friday workdays, and copy dates in standard ISO format.
Days From Today (10)
Universal Calculator →
7 days
→
7 calendar days (approx Sep 18, 2026) 14 days
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14 calendar days (approx Sep 25, 2026) 21 days
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21 calendar days (approx Oct 2, 2026) 30 days
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30 calendar days (approx Oct 11, 2026) 45 days
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45 calendar days (approx Oct 26, 2026) 60 days
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60 calendar days (approx Nov 10, 2026) 75 days
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75 calendar days (approx Nov 25, 2026) 90 days
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90 calendar days (approx Dec 10, 2026) 100 days
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100 calendar days (approx Dec 20, 2026) 120 days
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120 calendar days (approx Jan 9, 2027) Weeks From Today (9)
Universal Calculator →
2 weeks
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14 calendar days (approx Sep 25, 2026) 3 weeks
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21 calendar days (approx Oct 2, 2026) 4 weeks
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28 calendar days (approx Oct 9, 2026) 6 weeks
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42 calendar days (approx Oct 23, 2026) 8 weeks
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56 calendar days (approx Nov 6, 2026) 10 weeks
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70 calendar days (approx Nov 20, 2026) 12 weeks
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84 calendar days (approx Dec 4, 2026) 16 weeks
→
112 calendar days (approx Jan 1, 2027) 20 weeks
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140 calendar days (approx Jan 29, 2027) Time & Duration
Wall-clock interval calculation, cumulative timesheet arithmetic, and decimal hour billing conversion
Total = Σ Durations (H:MM) Universal
Time Calculator (Add & Subtract Durations)
Add or subtract elapsed hours and minutes, deduct unpaid meal breaks with signed lines, and convert directly to decimal hours for billing.
Image Utilities
Client-side image conversion, lossy/lossless compression, aspect ratios, and pixel geometry (100% in-browser privacy)
W × H Canvas Universal
Image Resizer & Canvas Framing
Resize images with Pad (transparent letterboxing), Crop (fill frame), or Stretch to target pixels. Convert formats and mirror/rotate locally.
Format Converters (7)
Universal Calculator →
Compressors & Limits (4)
Universal Calculator →
Geometry, Crops & Transforms (7)
Universal Calculator →
Image Resizer
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Pad / Crop / Stretch Aspect Ratio Calculator
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GCD ratio reduction Crop Image Online
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16:9, 1:1, 4:3, 9:16 Circle Crop Avatar
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Transparent round PNG Flip Image
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Horizontal / Vertical mirror Rotate Image
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90°, 180°, 270° turns Resize to 1920×1080
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Full HD 16:9 Square Image
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1000×1000 1:1 canvas Network & Connectivity Diagnostics
Public IP identification, DNS lookups, latency probes, and subnet bitwise calculations
IPv4 / IPv6 / DNS / ICMP / CIDR Diagnostic
Network & Internet Diagnostic Suite
Check your public IP, test ping latency from global vantage points, query DNS records, and compute subnets without trackers.
IP Address & Dual-Stack Identity (4)
Universal Calculator →
Remote Diagnostics & Probes (6)
Universal Calculator →
Bandwidth, DNS & Subnet Math (3)
Universal Calculator →