Type a plain-language request like a real question. The tool detects the pattern, gives the answer, and points you to the matching guided tool when a deeper section fits.
Built for quick conversions, practical calculations, and useful learning steps instead of a pile of disconnected mini-tools.
Time, length, temperature, money, storage, and more
Handles natural language like “3 hours to minutes”
Matches results with focused conversion helpers
Try a sentence, a small formula, or a practical question. If the pattern is recognized, you will get the result first and the best matching tool guide right after.
Result preview
Convert common units quickly and check a few high-frequency unit families.
second, minute, hour, day, week
mm, cm, m, km, inch, foot, mile
celsius, fahrenheit, kelvin
KB, MB, GB, TB
Pa, bar, psi, atm, J, cal, kWh, BTU
W, kW, hp, A, V, Ω, F, H
| Common conversion | Answer |
|---|
A fast visual guide for the most common Fahrenheit to Celsius comparisons.
| °F | °C | What it feels like |
|---|---|---|
| 0 | -17.8 | Very cold winter weather |
| 32 | 0 | Freezing point of water |
| 40 | 4.4 | Cold day |
| 50 | 10 | Cool weather |
| 60 | 15.6 | Mild weather |
| 70 | 21.1 | Comfortable room weather |
| 80 | 26.7 | Warm day |
| 90 | 32.2 | Hot weather |
| 98.6 | 37 | Typical body temperature |
| 212 | 100 | Boiling point of water |
| Common conversion | Answer |
|---|---|
| 1 inch | 2.54 cm |
| 1 foot | 30.48 cm |
| 1 yard | 0.9144 m |
| 1 meter | 39.37 in |
| 1 kilometer | 0.621 mi |
| 5 kilometers | 3.107 mi |
| 10 kilometers | 6.214 mi |
| 180 cm | 5.906 ft |
| Common conversion | Answer |
|---|---|
| 60 seconds | 1 minute |
| 90 seconds | 1.5 minutes |
| 60 minutes | 1 hour |
| 2 hours | 120 minutes |
| 1 day | 24 hours |
| 1 week | 7 days |
| 1 year | 365.25 days |
| Common conversion | Answer |
|---|---|
| 1 cup | 236.588 mL |
| 1 pint | 2 cups |
| 16 fluid ounces | 2 cups |
| 750 mL | 3.169 cups |
| 1 liter | 1000 mL |
| 1 gallon | 3.785 L |
| 4 quarts | 1 gallon |
| Common conversion | Answer |
|---|---|
| 1 kilogram | 2.205 lb |
| 1 pound | 0.454 kg |
| 16 ounces | 1 pound |
| 500 grams | 1.102 lb |
| 1000 milligrams | 1 gram |
| 2 pounds | 32 ounces |
| Common conversion | Answer |
|---|---|
| 1 acre | 43,560 ft² |
| 1 hectare | 2.471 acres |
| 100 m² | 1076.39 ft² |
| 9 ft² | 1 yd² |
| 30 ft² | 2.787 m² |
| Common conversion | Answer |
|---|---|
| 180 degrees | 3.14159 radians |
| 90 degrees | 1.5708 radians |
| 1 radian | 57.2958 degrees |
| π radians | 180 degrees |
| Common conversion | Answer |
|---|---|
| 10 m/s | 36 km/h |
| 60 mph | 96.56 km/h |
| 100 km/h | 62.14 mph |
| 20 knots | 23.02 mph |
| 1 knot | 1.852 km/h |
| Common conversion | Answer |
|---|---|
| 1024 bytes | 1.024 KB |
| 1000 KB | 1 MB |
| 1024 KiB | 1 MiB |
| 5 GB | 5000 MB |
| 2 TB | 2000 GB |
Use a lightweight calculator for quick arithmetic and small expressions.
Estimate body mass index using metric or imperial measurements.
< 18.5 · Below 18.5 may suggest a lower-than-expected body mass.
18.5 – 24.9 · 18.5 to 24.9 is the usual adult reference range.
25.0 – 29.9 · 25.0 to 29.9 is above the usual adult reference range.
30.0+ · 30.0 and above suggests obesity and may deserve closer follow-up.
Common height conversions from feet and inches to centimeters.
| Feet / inches | Inches total | Centimeters |
|---|---|---|
| 4′0″ | 48 | 121.9 cm |
| 4′6″ | 54 | 137.2 cm |
| 5′0″ | 60 | 152.4 cm |
| 5′4″ | 64 | 162.6 cm |
| 5′8″ | 68 | 172.7 cm |
| 6′0″ | 72 | 182.9 cm |
| 6′4″ | 76 | 193.0 cm |
| 6′8″ | 80 | 203.2 cm |
| 7′0″ | 84 | 213.4 cm |
Count words, characters, and paragraphs in a short text.
Spell out numbers in Haitian Creole for reading and writing support.
This helper currently spells numbers in Haitian Creole.