MoreThanACalculators
Converters
Browse all conversion tools in one place — from units, time, and data to cooking, electronics, travel, and more. Use search to find the exact converter in seconds.
Tip: Try “converter”, “to”, “kWh”, “mm”, “mph”, “EV”, “torque”, or “temperature”.
Numbers & Text Converters
Convert numeral systems and transform text formats quickly.
Roman Numeral Converter
Convert numbers to Roman numerals and back.
Scientific Notation Converter
Switch between standard and scientific notation.
Exponential Form Converter
Convert values into exponential form.
Decimal to Percentage
Convert decimals into percentages instantly.
Fraction to Decimal
Convert fractions to decimals fast.
Decimal to Octal
Convert decimal numbers into octal.
Hex to Binary
Convert hexadecimal values to binary.
Binary to Decimal
Convert binary to decimal numbers.
Uppercase to Lowercase
Convert text to lowercase.
Lowercase to Uppercase
Convert text to uppercase.
Unix Timestamp Converter
Convert Unix timestamps to readable dates and back.
Time & Date Converters
Convert time units and durations for planning, schedules, and tracking.
Food & Cooking Converters
Convert kitchen units, temperatures, and ingredient measurements.
Ounces to Cups
Quick volume conversion for recipes.
Drops to mL
Convert drops into milliliters.
Cooking Temperature
Convert oven temps between °C and °F.
Ingredient Substitution
Swap ingredients with practical equivalents.
Baking Pan Size
Convert pan sizes and adjust recipes.
Ingredient Weight ↔ Volume
Convert grams/ounces to cups/spoons.
Mesh to Micron
Convert mesh size to microns.
Home & DIY Converters
Conversions for building, materials, and measurements.
Inches to Fraction
Convert decimal inches to fractions.
Paint Coverage
Convert paint coverage units for planning.
Tile Size to Area
Convert tile size into coverage area.
Lumber Size
Convert nominal to actual lumber sizes.
Roofing Slope
Convert roof pitch and slope formats.
Concrete Mix Ratio
Convert common concrete mix ratios.
Concrete Slump Conversion
Convert slump measurements.
Auto & Travel Converters
Speed, distance, fuel, tires, and EV-related conversions.
Speed Converter
Convert mph, km/h, m/s, and more.
Knots to MPH
Convert nautical speed to mph.
Nautical Mile to KM
Convert nautical miles to kilometers.
Fuel Efficiency
Convert MPG, L/100km, km/L, and more.
Fuel Economy
Compare different fuel economy formats.
Tire Pressure
Convert PSI, bar, kPa, and more.
EV Charging kWh → Miles Range
Estimate range from energy added.
Horsepower to PS
Convert HP to metric PS.
In-lb to ft-lb Torque
Convert torque units.
Science & Engineering Converters
Common physical units across energy, pressure, flow, density, and more.
Energy Converter
Convert joules, calories, kWh, BTU, and more.
Power Converter
Convert watts, kW, hp, and more.
Pressure Unit Converter
Convert PSI, bar, Pa, kPa, atm.
Volume Converter
Convert liters, gallons, cups, and more.
Flow Rate Converter
Convert GPM, L/min, m³/s, and more.
Density Converter
Convert density units.
Viscosity Converter
Convert viscosity units.
Frequency Converter
Convert Hz, kHz, MHz, GHz.
Torque Unit Converter
Convert torque between common units.
Temperature Gradient
Convert temperature gradient units.
Work to Energy
Convert work units to energy equivalents.
Light Year Conversion
Convert light years into other distance units.
Decimeter to Meter
Convert dm to m.
Ares to Hectares
Convert ares to hectares.
Liters to Centiliters
Convert liters to centiliters.
Kg to Gallons
Convert kilograms to gallons (with density assumptions).
Gallons to Pounds
Convert gallons to pounds (with density assumptions).
Electronics Converters
Quick converters used in electronics and electrical work.
dBm to mW
Convert RF power units.
dB to Ratio
Convert dB to linear ratio.
Impedance Converter
Convert impedance units and formats.
Inductance Unit Converter
Convert inductance units.
Capacitance Unit Converter
Convert capacitance units.
Solar Watts to Amps
Convert watts to amps for solar setups.
Electrical Conductivity
Convert conductivity units.
Resistivity Converter
Convert resistivity units.
Health & Medical Converters
Converters used for lab values and common health metrics.
Blood Sugar Converter
Convert glucose units (mg/dL ↔ mmol/L).
Cholesterol Converter
Convert cholesterol units.
Creatinine Unit Converter
Convert creatinine units.
HbA1c to eAG
Convert HbA1c to estimated average glucose.
BMI Percentile Converter
Convert BMI values to percentile context.
Radiation Dose Converter
Convert radiation dose units.
Popular Converters
These are common starting points for most visitors.
Converters FAQ
Quick answers to common conversion questions.
What is the best way to use a unit converter?
Choose the converter closest to your input (e.g., speed, pressure, volume), enter your value, and select the units you want to convert from and to. Double-check assumptions for special cases like “kg to gallons”.
Why do some converters need assumptions?
Conversions like mass ↔ volume depend on density (for example, kg to gallons). The tool uses typical assumptions, and you can adjust if needed.
Are converters accurate?
Yes for pure unit math. Accuracy depends on rounding, constants, and assumptions (density, standards, or measurement definitions).
Which converters are most popular?
Time, speed, pressure, volume, energy, and health unit converters (like blood sugar) are usually the most used.
Can I use these converters for school and engineering?
Yes — the science and engineering section includes common unit conversions used in physics, HVAC, electronics, and lab work.