Scale any recipe without guessing
Double or triple ingredient lists while keeping wet-to-dry ratios intact.
Unit Conversions
Unit Conversions calculators
Turn cups into ounces, km into miles, PSI into bar, and more with calculators built for everyday life, DIY projects, and lab work.
Cups ↔ ounces, ml ↔ grams, km ↔ milesPrecise rounding & decimal controlsMobile-friendly, copy-ready results
Perfect for
- •Home cooks and bakers
- •DIY builders and contractors
- •Students, travelers, and lab teams
What you can solve
Common scenarios
Instant volume, weight, distance, and temperature conversions for kitchens, workshops, labs, and travel planning.
Check material conversions on site
Convert PSI, board footage, or liters to gallons before you place an order.
Compare travel and weather units
Flip 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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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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Cups to Ounces Converter
Translate recipe measurements from cups to fluid ounces for precise cooking and baking.
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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.
Open calculator →Why people trust us
Built for real-world decisions
Instant volume, weight, distance, and temperature conversions for kitchens, workshops, labs, and travel planning.
Two-way converters
Swap directions with one tap so you never need a second browser tab.
Formula transparency
Every converter shows the exact factor plus sample math so you can cite the steps.
Smart rounding
Choose decimals for lab work or rounded 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 industry-standard constants and display the formula so you can document exactly how the result was calculated.
- Can I switch between US and metric units?
- Most converters cover both directions—imperial to metric and back again—and we keep adding more unit pairs every wave.
- Do I need an account to use them?
- No sign-up at all. Enter your values, copy the result, and move on with the rest of your day.