Quick lookup tables for instant unit conversions across all major measurement categories. Perfect for field work, studying, and professional reference.
PSI, Bar, Pascal, Atmosphere, mmHg, and more
Celsius, Fahrenheit, Kelvin, Rankine
Metric and Imperial length measurements
Kilograms, pounds, grams, ounces
Liters, gallons, milliliters, cups
MPH, km/h, m/s, knots, Mach
Get offline access to these reference tables for field work, studying, or quick reference.
Essential pressure conversions for engineering, automotive, medical, and scientific applications.
Pascal (Pa) | Kilopascal (kPa) | Bar | PSI | Atmosphere (atm) | mmHg (Torr) | inHg |
---|---|---|---|---|---|---|
1 | 0.001 | 0.00001 | 0.000145 | 0.00000987 | 0.0075 | 0.000295 |
1,000 | 1 | 0.01 | 0.145 | 0.00987 | 7.5 | 0.295 |
100,000 | 100 | 1 | 14.504 | 0.987 | 750 | 29.53 |
101,325 | 101.325 | 1.01325 | 14.696 | 1 | 760 | 29.92 |
6,895 | 6.895 | 0.0689 | 1 | 0.068 | 51.7 | 2.036 |
133.3 | 0.133 | 0.00133 | 0.0193 | 0.00132 | 1 | 0.0394 |
Application | PSI | Bar | kPa |
---|---|---|---|
Car Tires (typical) | 32 | 2.2 | 221 |
Truck Tires | 65 | 4.5 | 448 |
Bicycle Tires | 85 | 5.9 | 586 |
Motorcycle Tires | 36 | 2.5 | 248 |
Measurement | mmHg | kPa | PSI |
---|---|---|---|
Normal Blood Pressure | 120/80 | 16.0/10.7 | 2.32/1.55 |
High Blood Pressure | 140/90 | 18.7/12.0 | 2.71/1.74 |
Low Blood Pressure | 90/60 | 12.0/8.0 | 1.74/1.16 |
Temperature equivalents for cooking, weather, scientific work, and international communication.
Description | Celsius (°C) | Fahrenheit (°F) | Kelvin (K) | Rankine (°R) |
---|---|---|---|---|
Absolute Zero | -273.15 | -459.67 | 0 | 0 |
Water Freezing | 0 | 32 | 273.15 | 491.67 |
Room Temperature | 20 | 68 | 293.15 | 527.67 |
Human Body | 37 | 98.6 | 310.15 | 558.27 |
Water Boiling (sea level) | 100 | 212 | 373.15 | 671.67 |
°C | °F | Description |
---|---|---|
-20 | -4 | Very Cold |
-10 | 14 | Cold |
0 | 32 | Freezing |
10 | 50 | Cool |
20 | 68 | Comfortable |
30 | 86 | Warm |
40 | 104 | Hot |
°C | °F | Oven Setting |
---|---|---|
120 | 250 | Very Low |
150 | 300 | Low |
180 | 350 | Moderate |
200 | 400 | Hot |
220 | 425 | Very Hot |
240 | 465 | Extremely Hot |
Metric and imperial length conversions for construction, engineering, and everyday measurements.
Millimeter (mm) | Centimeter (cm) | Meter (m) | Kilometer (km) | Inch (in) | Foot (ft) | Yard (yd) | Mile (mi) |
---|---|---|---|---|---|---|---|
1 | 0.1 | 0.001 | 0.000001 | 0.0394 | 0.00328 | 0.00109 | 6.21×10⁻⁷ |
10 | 1 | 0.01 | 0.00001 | 0.394 | 0.0328 | 0.0109 | 6.21×10⁻⁶ |
1,000 | 100 | 1 | 0.001 | 39.37 | 3.281 | 1.094 | 0.000621 |
25.4 | 2.54 | 0.0254 | 2.54×10⁻⁵ | 1 | 0.0833 | 0.0278 | 1.58×10⁻⁵ |
304.8 | 30.48 | 0.3048 | 0.0003048 | 12 | 1 | 0.333 | 0.000189 |
1,609,344 | 160,934 | 1,609.3 | 1.609 | 63,360 | 5,280 | 1,760 | 1 |
From | To | Multiply by | Example |
---|---|---|---|
Inches | Centimeters | 2.54 | 6 in = 15.24 cm |
Feet | Meters | 0.3048 | 10 ft = 3.048 m |
Miles | Kilometers | 1.609 | 5 mi = 8.045 km |
Meters | Feet | 3.281 | 3 m = 9.843 ft |
Measurement | Feet | Meters | Inches |
---|---|---|---|
Standard Door | 6.67 ft | 2.03 m | 80 in |
Standard Ceiling | 8 ft | 2.44 m | 96 in |
Sheet of Plywood | 8 ft | 2.44 m | 96 in |
Weight and mass conversions for shipping, cooking, fitness, and scientific applications.
Gram (g) | Kilogram (kg) | Ounce (oz) | Pound (lb) | Stone (st) | Short Ton | Metric Ton |
---|---|---|---|---|---|---|
1 | 0.001 | 0.0353 | 0.00220 | 0.000157 | 1.10×10⁻⁶ | 1×10⁻⁶ |
1,000 | 1 | 35.27 | 2.205 | 0.157 | 0.00110 | 0.001 |
28.35 | 0.02835 | 1 | 0.0625 | 0.00446 | 3.13×10⁻⁵ | 2.83×10⁻⁵ |
453.6 | 0.4536 | 16 | 1 | 0.0714 | 0.0005 | 0.000454 |
6,350 | 6.35 | 224 | 14 | 1 | 0.007 | 0.00635 |
Ingredient | 1 Cup (g) | 1 Cup (oz) | Notes |
---|---|---|---|
All-purpose Flour | 120 | 4.25 | Sifted |
Granulated Sugar | 200 | 7.05 | Level cup |
Brown Sugar | 220 | 7.75 | Packed |
Butter | 227 | 8.0 | 2 sticks |
Water | 240 | 8.45 | At 4°C |
Pounds (lb) | Kilograms (kg) | Stone (st) |
---|---|---|
100 | 45.4 | 7.1 |
130 | 59.0 | 9.3 |
150 | 68.0 | 10.7 |
170 | 77.1 | 12.1 |
200 | 90.7 | 14.3 |
Volume conversions for cooking, chemistry, engineering, and liquid measurements.
Milliliter (mL) | Liter (L) | US fl oz | US Cup | US Quart | US Gallon | Imperial Gallon |
---|---|---|---|---|---|---|
1 | 0.001 | 0.0338 | 0.00423 | 0.00106 | 0.000264 | 0.00022 |
1,000 | 1 | 33.8 | 4.23 | 1.057 | 0.264 | 0.22 |
29.57 | 0.02957 | 1 | 0.125 | 0.03125 | 0.0078 | 0.0065 |
236.6 | 0.2366 | 8 | 1 | 0.25 | 0.0625 | 0.052 |
3,785 | 3.785 | 128 | 16 | 4 | 1 | 0.833 |
4,546 | 4.546 | 154 | 19.2 | 4.8 | 1.2 | 1 |
Measurement | Milliliters (mL) | Fluid Ounces | Cups |
---|---|---|---|
1 teaspoon | 4.93 | 0.167 | 0.021 |
1 tablespoon | 14.79 | 0.5 | 0.0625 |
1/4 cup | 59.1 | 2 | 0.25 |
1/2 cup | 118.3 | 4 | 0.5 |
1 cup | 236.6 | 8 | 1 |
Liters | US Gallons | Imperial Gallons | Context |
---|---|---|---|
20 | 5.28 | 4.40 | Small car tank |
40 | 10.57 | 8.80 | Mid-size car tank |
60 | 15.85 | 13.20 | Large car tank |
100 | 26.42 | 22.00 | Small truck tank |
Speed conversions for automotive, aviation, sports, and scientific applications.
m/s | km/h | mph | ft/s | knots | Mach (sea level) |
---|---|---|---|---|---|
1 | 3.6 | 2.237 | 3.281 | 1.944 | 0.00291 |
0.278 | 1 | 0.621 | 0.911 | 0.540 | 0.00081 |
0.447 | 1.609 | 1 | 1.467 | 0.869 | 0.00130 |
0.305 | 1.097 | 0.682 | 1 | 0.592 | 0.00089 |
0.514 | 1.852 | 1.151 | 1.688 | 1 | 0.00150 |
343 | 1,235 | 767 | 1,125 | 667 | 1 |
MPH | km/h | m/s | Context |
---|---|---|---|
25 | 40 | 11.2 | City speed limit |
55 | 89 | 24.6 | Highway speed limit |
70 | 113 | 31.3 | Interstate speed limit |
200 | 322 | 89.4 | Sports car top speed |
Knots | MPH | km/h | Aircraft Type |
---|---|---|---|
65 | 75 | 120 | Light aircraft |
250 | 288 | 463 | Regional jet |
500 | 575 | 926 | Commercial airliner |
1,200 | 1,381 | 2,222 | Military fighter |
Medical References: Any medical measurements, blood pressure ranges, body temperature references, or other health-related conversion data in these tables are provided for educational reference only and are not intended as medical advice, diagnosis, or treatment guidance.
Healthcare Professional Consultation: Never use these reference tables for medical decisions, patient care, diagnostic procedures, or treatment planning. Always consult qualified healthcare professionals for any medical measurements, interpretations, or clinical decisions.
Professional Verification Required: For critical applications in engineering, scientific research, medical practice, manufacturing, or safety-related work, always verify conversion data using authoritative professional sources and consult with qualified experts in your field.
Reference Accuracy: While these tables are compiled from internationally recognized standards and authoritative sources, users assume full responsibility for verifying the accuracy and appropriateness of conversion data for their specific applications and requirements.
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