For students, teachers, and homeschool learning
Make learning fun and effective! Whether you're teaching math concepts, preparing for tests, or helping with homework, these educational conversion charts are essential references for every student's success.
The must-have reference charts every student should have for math and science success. Perfect for all grade levels.
| Celsius (°C) | Fahrenheit (°F) | Notes |
|---|---|---|
| -40 | -40 | Extreme cold |
| -10 | 14 | Cold winter |
| 0 | 32 | Freezing |
| 10 | 50 | Cool day |
| 20 | 68 | Room temp |
| 25 | 77 | Pleasant |
| 30 | 86 | Warm |
| 40 | 104 | Hot |
| 50 | 122 | Very hot |
| 100 | 212 | Boiling |
Essential temperature conversion chart for US travel, international cooking, and weather reference.
Why Essential: The metric system is used worldwide in science. This chart helps students master temperature conversions.
| °F | °C | Gas Mark | Use |
|---|---|---|---|
| 175 | 79 | - | Warm |
| 200 | 93 | - | Low roast |
| 225 | 107 | ¼ | Low & slow |
| 250 | 121 | ½ | Slow roast |
| 275 | 135 | 1 | Gentle bake |
| 300 | 149 | 2 | Baking |
| 325 | 163 | 3 | Roast light |
| 350 | 177 | 4 | Roast |
| 375 | 191 | 5 | Golden |
| 400 | 204 | 6 | Crisp finish |
Temperature conversion chart with oven presets for cooking, travel, and weather.
Why Essential: Conversion between Fahrenheit and Celsius is fundamental for science classes and real-world applications.
| Fraction | Decimal | Percent |
|---|---|---|
| 1/64 | 0.0156 | 1.56% |
| 1/32 | 0.0313 | 3.13% |
| 1/16 | 0.0625 | 6.25% |
| 1/8 | 0.1250 | 12.5% |
| 3/16 | 0.1875 | 18.8% |
| 1/4 | 0.2500 | 25% |
| 5/16 | 0.3125 | 31.3% |
| 3/8 | 0.3750 | 37.5% |
| 1/2 | 0.5000 | 50% |
| 3/4 | 0.7500 | 75% |
Fractions from 1/64 to whole numbers for math education and precision cutting.
Why Essential: Understanding the relationship between fractions and decimals is a core math concept. This chart helps students visualize and memorize key equivalents.
Complete collection of conversions for math, science, and measurement learning
| Centimeters | Meters | Decimal (in) | Fraction (in) | ft'-in |
|---|---|---|---|---|
| 5 | 0.05 | 1.97 | 1 15/16" | 0'2" |
| 10 | 0.10 | 3.94 | 3 15/16" | 0'4" |
| 20 | 0.20 | 7.87 | 7 7/8" | 0'8" |
| 30 | 0.30 | 11.81 | 11 13/16" | 1'0" |
| 50 | 0.50 | 19.69 | 19 11/16" | 1'8" |
| 70 | 0.70 | 27.56 | 27 9/16" | 2'4" |
| 90 | 0.90 | 35.43 | 35 7/16" | 2'11" |
| 100 | 1.00 | 39.37 | 39 3/8" | 3'3" |
| 130 | 1.30 | 51.18 | 51 3/16" | 4'3" |
| 180 | 1.80 | 70.87 | 70 7/8" | 5'11" |
Convert centimeters to inches with precision for international sizing and measurements.
📚 Grades 3-7
| Fraction | Decimal | Percent |
|---|---|---|
| 1/64 | 0.0156 | 1.56% |
| 1/32 | 0.0313 | 3.13% |
| 1/16 | 0.0625 | 6.25% |
| 1/8 | 0.1250 | 12.5% |
| 3/16 | 0.1875 | 18.8% |
| 1/4 | 0.2500 | 25% |
| 5/16 | 0.3125 | 31.3% |
| 3/8 | 0.3750 | 37.5% |
| 1/2 | 0.5000 | 50% |
| 3/4 | 0.7500 | 75% |
Fractions from 1/64 to whole numbers for math education and precision cutting.
📚 Grades 3-8
| Inches | ft'-in | Centimeters | Meters |
|---|---|---|---|
| 1 | 1" | 2.5 | 0.03 |
| 6 | 6" | 15.2 | 0.15 |
| 12 | 1' 0" | 30.5 | 0.30 |
| 24 | 2' 0" | 61.0 | 0.61 |
| 30 | 2' 6" | 76.2 | 0.76 |
| 36 | 3' 0" | 91.4 | 0.91 |
| 48 | 4' 0" | 121.9 | 1.22 |
| 60 | 5' 0" | 152.4 | 1.52 |
| 63 | 5' 3" | 160.0 | 1.60 |
| 72 | 6' 0" | 182.9 | 1.83 |
International shopping, sizing, and DIY conversions from inches to centimeters.
📚 Grades 4-8
Square inches, feet, yards, meters, and acres for planning and surveying.
📚 Grades 5-12
Clothing size reference and conversions for international shopping and fit.
📚 Grades 6-9
Convert inch decimals to common fractions for measuring, woodworking, and machining.
📚 Grades 6-12
Convert decimals into common fractions for measuring, drafting, and math.
📚 Grades 3-8
Convert feet to inches for woodworking, furniture plans, and building layouts.
📚 Grades 3-6
Convert inch fractions to decimals for woodworking, hardware sizing, and measuring.
📚 Grades 6-12
Quick inches-to-feet conversion chart for DIY, construction, and measurements.
📚 Grades 3-6
Convert meters to yards for sports fields, fabrics, and travel.
📚 Grades 5-10
Convert ounces to pounds for shipping, food portions, and fitness tracking.
📚 Grades 4-8
ISO (A-series) and US paper sizes for printing, design, and templates.
📚 Grades 9-12
Ring size chart with US, UK, and EU sizing references and measuring tips.
📚 Grades 6-10
Convert shoe sizes between US, EU, and UK for men, women, and kids.
📚 Grades 6-9
Convert yards to meters for sports, fabrics, and international measurements.
📚 Grades 5-10
| Celsius (°C) | Fahrenheit (°F) | Notes |
|---|---|---|
| -40 | -40 | Extreme cold |
| -10 | 14 | Cold winter |
| 0 | 32 | Freezing |
| 10 | 50 | Cool day |
| 20 | 68 | Room temp |
| 25 | 77 | Pleasant |
| 30 | 86 | Warm |
| 40 | 104 | Hot |
| 50 | 122 | Very hot |
| 100 | 212 | Boiling |
Essential temperature conversion chart for US travel, international cooking, and weather reference.
📚 Grades 5-12
| Celsius (°C) | Kelvin (K) | Notes |
|---|---|---|
| -273.15 | 0.00 | Absolute zero |
| -50 | 223.15 | — |
| 0 | 273.15 | Freezing point |
| 10 | 283.15 | — |
| 20 | 293.15 | Room temperature |
| 25 | 298.15 | Room temperature |
| 37 | 310.15 | Body temperature |
| 50 | 323.15 | — |
| 75 | 348.15 | — |
| 100 | 373.15 | Boiling point |
Scientific temperature conversions for labs and engineering calculations.
📚 Grades 9-12
| Cups | Milliliters | Tbsp | Tsp | fl oz |
|---|---|---|---|---|
| 1/4 | 59 | 4 | 12 | 2 |
| 1/3 | 78 | 5.3 | 15.8 | 2.6 |
| 1/2 | 118 | 8 | 24 | 4 |
| 177 | 12 | 36 | 6 | |
| 1 | 237 | 16 | 48 | 8 |
| 355 | 24 | 72 | 12 | |
| 2 | 473 | 32 | 96 | 16 |
| 3 | 710 | 48 | 144 | 24 |
| 4 | 946 | 64 | 192 | 32 |
| 6 | 1420 | 96 | 288 | 48 |
Kitchen measurement conversions for international recipes, baking, and coffee ratios.
📚 Grades 5-8
| °F | °C | Gas Mark | Use |
|---|---|---|---|
| 175 | 79 | - | Warm |
| 200 | 93 | - | Low roast |
| 225 | 107 | ¼ | Low & slow |
| 250 | 121 | ½ | Slow roast |
| 275 | 135 | 1 | Gentle bake |
| 300 | 149 | 2 | Baking |
| 325 | 163 | 3 | Roast light |
| 350 | 177 | 4 | Roast |
| 375 | 191 | 5 | Golden |
| 400 | 204 | 6 | Crisp finish |
Temperature conversion chart with oven presets for cooking, travel, and weather.
📚 Grades 5-12
| fl oz | Milliliters | Cups |
|---|---|---|
| 0.50 | 15 | 0.06 |
| 1 | 30 | 0.13 |
| 1.50 | 44 | 0.19 |
| 2 | 59 | 0.25 |
| 4 | 118 | 0.50 |
| 6 | 177 | 0.75 |
| 8 | 237 | 1 |
| 12 | 355 | 1.5 |
| 16 | 473 | 2 |
| 32 | 946 | 4 |
US & UK fluid ounces to milliliters with cups, tablespoons, and liters options.
📚 Grades 6-9
| Grams (g) | Ounces (oz) |
|---|---|
| 25 | 0.88 |
| 50 | 1.76 |
| 75 | 2.65 |
| 100 | 3.53 |
| 150 | 5.29 |
| 200 | 7.05 |
| 250 | 8.82 |
| 300 | 10.58 |
| 500 | 17.64 |
| 1000 | 35.27 |
Weight conversion chart for kitchen recipes and ingredient prep.
📚 Grades 6-10
| Meters (m) | Feet (ft) | Feet & Inches | Reference |
|---|---|---|---|
| 0.5 | 1.64 | 1'8" | — |
| 1 | 3.28 | 3'3" | ~3 feet |
| 1.8 | 5.91 | 5'11" | Tall person |
| 3 | 9.84 | 9'10" | Standard ceiling |
| 5 | 16.40 | 16'5" | Basketball hoop |
| 10 | 32.81 | 32'10" | One story |
| 20 | 65.62 | 65'7" | — |
| 50 | 164.04 | 164'1" | — |
| 100 | 328.08 | 328'1" | — |
| 150 | 492.13 | 492'2" | — |
Height, elevation, and construction conversions from meters to feet.
📚 Grades 5-10
| Milliliters | Cups | Tbsp | Tsp | fl oz |
|---|---|---|---|---|
| 30 | 0⅛ | 2.0 | 6.1 | 1.0 |
| 50 | 0¼ | 3.4 | 10.1 | 1.7 |
| 75 | 0⅜ | 5.1 | 15.2 | 2.5 |
| 120 | 0½ | 8.1 | 24.3 | 4.1 |
| 180 | 0¾ | 12.2 | 36.5 | 6.1 |
| 200 | 0⅞ | 13.5 | 40.6 | 6.8 |
| 250 | 1 | 16.9 | 50.7 | 8.5 |
| 300 | 1¼ | 20.3 | 60.9 | 10.1 |
| 500 | 2⅛ | 33.8 | 101.4 | 16.9 |
| 750 | 3⅛ | 50.7 | 152.2 | 25.4 |
Convert milliliters to US, metric, and imperial cups for recipes and baking.
📚 Grades 5-8
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 5 | 2.27 |
| 10 | 4.54 |
| 25 | 11.34 |
| 50 | 22.68 |
| 75 | 34.02 |
| 100 | 45.36 |
| 125 | 56.70 |
| 150 | 68.04 |
| 175 | 79.38 |
| 200 | 90.72 |
Weight conversion for fitness tracking, luggage limits, and shipping.
📚 Grades 5-8
Convert gallons to liters for fuel, water, and recipe scaling.
📚 Grades 6-10
Convert grams to pounds for cooking, shipping, and international weight conversions.
📚 Grades 7-10
Fuel, water, and beverage conversions between liters and US/UK gallons.
📚 Grades 6-10
Common material densities for metals, woods, and plastics.
📚 Grades 9-12
Pico to tera prefixes for classrooms and STEM cheat sheets.
📚 Grades 6-12
Convert milliliters to fluid ounces for beverages, recipes, and travel.
📚 Grades 6-9
Convert ounces to grams for recipes, baking, and international measurements.
📚 Grades 6-10
Convert pints to liters for recipes, beverages, and international measurements.
📚 Grades 6-10
Liquid volume conversions for cooking, canning, and lab prep.
📚 Grades 6-10
Decode tire size markings and compare common sizes for vehicles.
📚 Grades 9-12
AWG to metric diameters and ampacity guide for wiring projects.
📚 Grades 9-12
Understanding unit conversions is a fundamental skill in mathematics and science. This comprehensive guide helps teachers effectively introduce conversion concepts and students master these essential skills.
Introducing unit conversions requires a systematic approach that builds on students' existing knowledge. Start with familiar, real-world examples before moving to abstract mathematical concepts.
Effective Teaching Strategies:
Recommended Progression: Begin with length (most concrete), then volume, weight, and finally temperature. Within each category, teach same-system conversions (e.g., inches to feet) before introducing metric-imperial conversions.
The metric system is elegantly simple: it's based on powers of 10, making conversions straightforward once students understand the pattern. The key is mastering the prefixes.
Metric Prefix Ladder (from largest to smallest):
Teaching Tip: Use the mnemonic "King Henry Died By Drinking Chocolate Milk" to help students remember the prefix order: Kilo, Hecto, Deka, Base, Deci, Centi, Milli.
1. Confusing Multiplication with Division
❌ Mistake: When converting from larger to smaller units, multiplying instead of dividing
✅ Correct: Remember - Larger to Smaller = Multiply | Smaller to Larger = Divide
Example: 5 meters to centimeters = 5 × 100 = 500cm (larger to smaller, multiply)
2. Mixing Up Metric Prefixes
❌ Mistake: Confusing milli- (1/1000) with micro- (1/1,000,000)
✅ Correct: Use the "King Henry" mnemonic and a reference chart
Visual charts help students see the relative scale of prefixes.
3. Rounding Too Early
❌ Mistake: Rounding intermediate steps in multi-step conversions
✅ Correct: Keep full precision until the final answer
Example: Converting 5 yards → meters → centimeters. Don't round after the first conversion.
4. Forgetting Units in Answers
❌ Mistake: Writing "5" instead of "5 meters"
✅ Correct: Always include units in the answer
Emphasize that a number without units is meaningless in measurement contexts.
5. Not Checking if Answer Makes Sense
❌ Mistake: Getting 0.5 meters when converting 50 centimeters (seems small)
✅ Correct: Ask "Does this answer make sense?" before finalizing
Teach students to estimate: 50cm should be about half a meter (0.5m is correct!).
Focus: Basic conversions within one system. Introduce the idea that different units measure the same thing.
Key Charts: Inches to feet, inches to centimeters, multiplication tables, simple fractions
Teaching Approach: Use physical measuring tools alongside charts. Have students measure real objects and practice converting. Keep it concrete and hands-on before introducing formulas.
Focus: Cross-system conversions and metric system mastery. Understand conversion factors mathematically.
Key Charts: Metric system prefixes, fraction/decimal/percentage equivalents, temperature conversions, mass and volume
Teaching Approach: Introduce conversion factors (1 inch = 2.54 cm). Use charts as reference while teaching dimensional analysis. Charts should support understanding, not replace learning.
Focus: Scientific notation, complex unit conversions, chemistry and physics applications.
Key Charts: Temperature conversions, pressure units, scientific units, advanced metric conversions
Teaching Approach: Charts serve as quick reference during lab work and problem-solving. Emphasize understanding the underlying math and units. Students should be able to work without charts but use them to verify work.
Focus: Customize to student needs. Move flexibly between grade levels based on student understanding.
Key Advantage: Use the same charts across multiple years. Laminate for durability across multiple learners.
Teaching Approach: One-on-one instruction allows personalized pacing. Charts help students work independently while you work with others. Print reference materials for different levels.
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🚧 Coming SoonDownload all educational conversion charts at once! Perfect for teachers, parents, and homeschool educators. Print, laminate, and use for years.
What's included:
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Recipe conversions, baking measurements, and cooking unit references for international and home cooking.
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