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Unit Conversion Reference Tables | ConversionCalculator.net

Unit Conversion Reference Tables

Quick lookup tables for instant unit conversions across all major measurement categories. Perfect for field work, studying, and professional reference.

📊 Available Reference Tables

🔧 Pressure Conversion Tables

PSI, Bar, Pascal, Atmosphere, mmHg, and more

🌡️ Temperature Conversion Tables

Celsius, Fahrenheit, Kelvin, Rankine

📏 Length Conversion Tables

Metric and Imperial length measurements

⚖️ Weight Conversion Tables

Kilograms, pounds, grams, ounces

🥤 Volume Conversion Tables

Liters, gallons, milliliters, cups

🚗 Speed Conversion Tables

MPH, km/h, m/s, knots, Mach

📄 Download Printable Tables

Get offline access to these reference tables for field work, studying, or quick reference.

Pressure Conversion Tables

Essential pressure conversions for engineering, automotive, medical, and scientific applications.

Common Pressure Unit Equivalents

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

🚗 Automotive Pressure Reference

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

🏥 Medical Pressure Reference

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
Note: Highlighted row shows standard atmospheric pressure. Gauge pressure measurements are relative to atmospheric pressure, while absolute pressure includes atmospheric pressure.

Temperature Conversion Tables

Temperature equivalents for cooking, weather, scientific work, and international communication.

Common Temperature Equivalents

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

Celsius to Fahrenheit Quick Reference

🌡️ Weather Temperatures

°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

🍳 Cooking Temperatures

°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

Length Conversion Tables

Metric and imperial length conversions for construction, engineering, and everyday measurements.

Length Unit Equivalents

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

📐 Common Length Conversions

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

🏗️ Construction Reference

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 & Mass Conversion Tables

Weight and mass conversions for shipping, cooking, fitness, and scientific applications.

Weight Unit Equivalents

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

🍳 Cooking Weight Reference

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

🏋️ Body Weight Reference

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 & Capacity Conversion Tables

Volume conversions for cooking, chemistry, engineering, and liquid measurements.

Volume Unit Equivalents

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

🥄 Kitchen Measurement Reference

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

⛽ Fuel Volume Reference

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 & Velocity Conversion Tables

Speed conversions for automotive, aviation, sports, and scientific applications.

Speed Unit Equivalents

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

🚗 Vehicle Speed Reference

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

✈️ Aviation Speed Reference

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
Note: Mach number varies with temperature and altitude. Values shown are for standard sea level conditions (343 m/s sound speed).

Important Disclaimer

⚠️ Reference and Educational Use Only

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.

Limitation of Liability: ConversionCalculator.net and its contributors shall not be held liable for any direct, indirect, or consequential damages arising from the use of these reference tables in any application or context.

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