Weight Converters
Browse our comprehensive collection of weight converters for kilograms, pounds, grams, ounces, tons, stones, carats, and more. Free online tools for cooking, science, engineering, and everyday use.
Kilograms to Grams
Convert kilograms to grams (1 kg = 1000 g) with step-by-step multiplication.
metricGrams to Kilograms
Convert grams to kilograms (1 g = 0.001 kg) with division.
metricMilligrams to Grams
Convert milligrams to grams (1 mg = 0.001 g) with step-by-step.
metricGrams to Milligrams
Convert grams to milligrams (1 g = 1000 mg) with formula.
metricMetric Tons to Kilograms
Convert metric tons (t) to kilograms (1 t = 1000 kg).
metricKilograms to Metric Tons
Convert kilograms to metric tons (1 kg = 0.001 t).
metricMicrograms to Milligrams
Convert micrograms (µg) to milligrams (1 µg = 0.001 mg).
metricMilligrams to Micrograms
Convert milligrams to micrograms (1 mg = 1000 µg).
metricPounds to Kilograms
Convert pounds (lb) to kilograms (1 lb = 0.453592 kg) with formula.
imperialKilograms to Pounds
Convert kilograms to pounds (1 kg = 2.20462 lb) with step-by-step.
imperialOunces to Grams
Convert ounces (oz) to grams (1 oz = 28.3495 g) with conversion factor.
imperialGrams to Ounces
Convert grams to ounces (1 g = 0.035274 oz) with division.
imperialStones to Pounds
Convert stones (st) to pounds (1 st = 14 lb) with multiplication.
imperialPounds to Stones
Convert pounds to stones (1 lb = 0.0714286 st) with division.
imperialShort Tons (US) to Kilograms
Convert short tons (US) to kilograms (1 ton = 907.185 kg).
imperialKilograms to Short Tons
Convert kilograms to short tons (1 kg = 0.00110231 ton).
imperialAtomic Mass Units to Grams
Convert amu to grams (1 amu = 1.66054e-24 g) for chemistry.
scientificGrams to Atomic Mass Units
Convert grams to amu using Avogadro's number.
scientificSlugs to Kilograms
Convert slugs to kilograms (1 slug = 14.5939 kg) for physics.
scientificKilograms to Slugs
Convert kilograms to slugs (1 kg = 0.0685218 slug).
scientificNewtons to Kilograms (Force)
Convert newtons to kilograms-force (1 N = 0.101972 kgf).
scientificKilograms to Newtons
Convert kilograms-force to newtons (1 kgf = 9.80665 N).
scientificPounds-force to Newtons
Convert pounds-force (lbf) to newtons (1 lbf = 4.44822 N).
scientificNewtons to Pounds-force
Convert newtons to pounds-force (1 N = 0.224809 lbf).
scientificCarats to Grams
Convert carats (ct) to grams (1 ct = 0.2 g) for gemstones.
jewelryGrams to Carats
Convert grams to carats (1 g = 5 ct).
jewelryTroy Ounces to Grams
Convert troy ounces (oz t) to grams (1 oz t = 31.1035 g).
jewelryGrams to Troy Ounces
Convert grams to troy ounces (1 g = 0.0321507 oz t).
jewelryPennyweights to Grams
Convert pennyweights (dwt) to grams (1 dwt = 1.55517 g).
jewelryGrams to Pennyweights
Convert grams to pennyweights (1 g = 0.643015 dwt).
jewelryGrains to Grams
Convert grains (gr) to grams (1 gr = 0.0647989 g).
jewelryGrams to Grains
Convert grams to grains (1 g = 15.4324 gr).
jewelryLong Tons (UK) to Kilograms
Convert UK long tons to kilograms (1 long ton = 1016.05 kg).
otherKilograms to Long Tons
Convert kilograms to UK long tons (1 kg = 0.000984207 long ton).
otherDrams to Grams
Convert avoirdupois drams to grams (1 dr = 1.77185 g).
otherGrams to Drams
Convert grams to drams (1 g = 0.564383 dr).
otherStone (UK) to Kilograms
Convert UK stone to kilograms (1 st = 6.35029 kg).
otherKilograms to Stone (UK)
Convert kilograms to UK stone (1 kg = 0.157473 st).
otherPounds to Newtons (Weight)
Convert pounds-force to newtons (1 lbf = 4.44822 N).
otherNewtons to Pounds (Weight)
Convert newtons to pounds-force (1 N = 0.224809 lbf).
otherWhat Are Weight Converters?
Our Weight Converters collection provides a comprehensive suite of tools for converting between different weight and mass units. Whether you're cooking, working in a lab, buying precious metals, or just need to convert pounds to kilograms, these converters deliver accurate results with clear step-by-step explanations.
From metric units (kilograms, grams, milligrams) and imperial/US units (pounds, ounces, stones, tons) to scientific units (atomic mass units, slugs), jewelry units (carats, troy ounces), and other specialized units, our tools cover the full spectrum of weight measurement.
How to Use This Directory
- Search: Type a keyword into the search bar to find specific converters by name or description.
- Filter by Category: Use the dropdown to narrow down to a specific weight unit type — each option shows the number of tools available.
- Click to Use: Each card links directly to the converter. Click on any card to start your conversion instantly.
- Explore Category Pages: Use the "Explore More Conversion Calculators" section to access dedicated pages for other unit types.
Why Use Our Weight Converters?
- Comprehensive Coverage: Covers metric, imperial, scientific, jewelry, and other units.
- Accurate & Reliable: Uses exact conversion factors based on international standards.
- Free & Accessible: No registration, no fees — use any tool instantly on any device.
- Educational: Many tools show the conversion formula, helping you understand the relationships.
- Professional & Personal Use: Designed for cooks, scientists, engineers, jewelers, students, and anyone needing weight conversions.
❓ Weight Converters FAQ
What types of weight conversions can I perform?
You can convert between metric units (kg, g, mg, µg, t), imperial/US units (lb, oz, st, ton), scientific units (amu, slug, N), jewelry units (carat, troy oz, dwt, grain), and other units (long ton, dram).
How do I convert kilograms to pounds?
Use our Kilograms to Pounds converter. Multiply kg by 2.20462 to get pounds, with step-by-step work shown.
How do I convert pounds to kilograms?
Use our Pounds to Kilograms converter. Multiply lb by 0.453592 to get kg, with detailed formula.
What is the difference between a troy ounce and an avoirdupois ounce?
A troy ounce (31.1035 g) is used for precious metals and gemstones, while a standard ounce (28.3495 g) is used for most other purposes. Our converters handle both.
How do I convert carats to grams?
Use our Carats to Grams converter. Multiply carats by 0.2 to get grams, with formula steps.
What is a slug and when is it used?
A slug is a unit of mass in the imperial system, used in physics and engineering. 1 slug = 14.5939 kg. Our converters handle slugs.
Are these converters accurate for scientific and engineering work?
Yes, our converters use exact conversion factors and are suitable for scientific, engineering, and educational purposes.
How often are new weight converters added?
We regularly add new converters based on user requests. If you have a suggestion, please contact us.
Can I convert between any two weight units?
Yes, you can use individual converters for specific pairs, or use the universal weight converter if available. Each card links to a dedicated tool for that conversion pair.