Unit Conversions

Unit Conversions calculators

Convert cups to ounces, km to miles, PSI to bar, and more without digging through charts.

Cups ↔ ounces, ml ↔ grams, km ↔ milesPrecise rounding & decimal controlsWorks on mobile with copy-ready results

Perfect for

  • Home cooks and bakers
  • DIY builders and contractors
  • Students, travelers, and lab teams

What you can solve

Common scenarios

Convert volume, weight, distance, and temperature units for cooking, job sites, lab work, and travel planning.

Scale any recipe without guessing

Double or triple ingredient lists while keeping wet-to-dry ratios in line.

Check material conversions on site

Convert PSI, board footage, or liters to gallons before placing an order.

Compare travel and weather units

Switch between Celsius and Fahrenheit or km and miles when planning trips or shipments.

Pick a tool

Featured unit conversions calculators

Browse the live tools below or request a new calculator if you need something specific.

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Kilometers to Miles Converter

Instantly convert distances from kilometers to miles with the standard 1 km = 0.621371 mi conversion rate.

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Miles to Kilometers Converter

Convert imperial distances to kilometers using the precise 1 mile = 1.60934 km factor.

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Cups to Ounces Converter

Translate recipe measurements from cups to fluid ounces for precise cooking and baking.

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Liters to Gallons Converter

Convert metric liters to US gallons for cooking, brewing, or auto projects.

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Gallons to Liters Converter

Enter gallons to see the metric liters equivalent for travel, auto, or recipe planning.

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Ounces to Grams Converter

Convert imperial ounces to grams for cooking, shipping, or science homework.

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Grams to Milliliters Converter

Convert grams of an ingredient into milliliters by applying density.

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Ounces to Milliliters Converter

Convert US fluid ounces to milliliters for cooking, bartending, and travel.

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Milliliters to Ounces Converter

Convert milliliters back to US fluid ounces to double-check bottle sizes.

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Inches to Centimeters Converter

Convert imperial lengths into centimeters for projects, homework, and travel.

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Centimeters to Inches Converter

Convert metric lengths to inches when buying US-based products.

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Feet to Meters Converter

Convert measurement in feet to meters for travel, construction, or science projects.

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Meters to Feet Converter

Convert metric lengths to feet for US-based specs.

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PSI to Bar Converter

Convert pressure readings from PSI to bar for automotive or industrial uses.

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Bar to PSI Converter

Convert bar measurements back into PSI.

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Inches to Millimeters Converter

Convert US customary lengths to mm for manufacturing and woodworking.

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Millimeters to Inches Converter

Convert metric lengths back into inches for US-based drawings.

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Pounds to Stone Converter

Convert US pounds to UK stone for weight tracking.

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Hours to Minutes Converter

Turn fractional hours into total minutes for schedules, timesheets, or study plans.

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Minutes to Hours Converter

Turn total minutes into hours plus remaining minutes for schedules, workouts, or projects.

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Fahrenheit to Celsius Converter

Convert US temperatures to Celsius for travel, cooking, or lab work.

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Celsius to Fahrenheit Converter

Convert Celsius readings from international forecasts, cookbooks, or lab thermometers into °F.

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Why people trust us

Built for real-world decisions

Convert volume, weight, distance, and temperature units for cooking, job sites, lab work, and travel planning.

Two-way converters

Swap directions with one tap instead of opening a second browser tab.

Formula transparency

Each converter shows the exact factor and sample math so you can cite the steps.

Smart rounding

Use decimal precision for lab work or round to whole numbers for recipes and takeoffs.

Explore related categories

Hop to another topic to keep your project or plan moving.

FAQs

Are these converters accurate enough for work projects?
Yes. We use standard conversion constants and show the formula so you can document how the result was calculated.
Can I switch between US and metric units?
Most converters go both directions, imperial to metric and back, and we keep adding more unit pairs each wave.
Do I need an account to use them?
No account needed. Enter your values, copy the result, and move on with your day.