NIST & ASTM Calibrated
Ref: H₂O @ 4°C = 1.0000 kg/L Density Library
kg to Gallons LAB

Mass to Volume Authority

Volume ↔ Mass Inverse Engine

Liters to KG Calculator

Convert metric volume in liters directly to mass in kilograms and pounds using exact material physical densities.

Quick Presets:
Direct Formula Mass (kg) = Volume (Liters) × Density (kg/L)
Switch to KG → Liters
L
Quick:
Calculated Mass Result Pure Water
10.000 kg

10 Liters of Water weighs exactly 10.000 Kilograms (22.046 lbs).

Pounds (lbs) 22.05 lbs
Grams (g) 10,000 g
US Liquid Gal 2.642 gal
Ounces (oz) 352.7 oz
Fluid Mass Scale Visualizer ρ = 1.0000 kg/L
10.00 kg
Weight per Liter: 1.000 kg / L
Live Formula: Mass (kg) = 10 L × 1.0000 kg/L = 10.000 kg

Interactive Culinary Recipe & Commercial Beverage Scaler

Professional bakeries, breweries, and commercial food processors weigh liquids on scales (in grams and kg) rather than using measuring cups. Select a batch volume in liters to view exact culinary scale weights.

L
Scale Mass Needed 2.500 kg
2,500 g 5.51 lbs
🍾 Commercial Bottling & Legal Metrology (e-mark)

Commercial Bottling Line Fill Mass & Legal Tolerance (e-mark) Inspector

High-speed packaging lines verify filled bottle volume by measuring net mass on inline checkweighers. Under the EU Average Quantity System (Directive 76/211/EEC) and NIST Handbook 133, determine target net mass and Tolerable Negative Error (TNE).

Target Net Mass per Unit
744.0 g
26.24 oz
Tolerable Negative Error (TNE)
15.0 g
Under EU Directive 76/211/EEC
Min. Rejection Weight Threshold
729.0 g
Below this = Non-compliant unit
Total Batch Production Mass
3,720 kg
3.72 Metric Tons
🍯 Sugar Refractometry & Food Science

Brix (°Bx) Sugar Density & Mass Yield Calculator

Degrees Brix (°Bx) measures the percentage of dissolved sucrose by weight. In beverage manufacturing, wineries, and syrup processing, Brix directly dictates solution density and final batch mass in kilograms.

L
18.0° Brix (Grape Must / Sweet Juice)
0° (Water) 12° (Apple Juice) 24° (Wine Grape) 66° (Maple Syrup)
Calculated Specific Gravity
1.0740 SG
1.0740 kg/L density
Total Batch Net Mass
107.40 kg
236.78 lbs total
Pure Dissolved Sugar Solids
19.33 kg
18.0% of total mass
Pure Water Base Volume
88.07 kg
88.07 Liters solvent

Weights of 1, 5, 10, and 50 Liters Across Common Substances

Liquid masses calculated using standard physical density baselines at 20°C room temperature.

Substance Density (kg/L) 1 Liter (kg / lbs) 5 Liters (kg / lbs) 10 Liters (kg / lbs) 50 Liters (kg / lbs)
💧 Pure Water 1.000 kg/L 1.000 kg (2.20 lbs) 5.000 kg (11.02 lbs) 10.000 kg (22.05 lbs) 50.000 kg (110.23 lbs)
🥛 Whole Milk 1.030 kg/L 1.030 kg (2.27 lbs) 5.150 kg (11.35 lbs) 10.300 kg (22.71 lbs) 51.500 kg (113.54 lbs)
🚚 Diesel Fuel #2 0.832 kg/L 0.832 kg (1.83 lbs) 4.160 kg (9.17 lbs) 8.320 kg (18.34 lbs) 41.600 kg (91.71 lbs)
⛽ Gasoline 0.745 kg/L 0.745 kg (1.64 lbs) 3.725 kg (8.21 lbs) 7.450 kg (16.42 lbs) 37.250 kg (82.12 lbs)
🫒 Olive Oil 0.918 kg/L 0.918 kg (2.02 lbs) 4.590 kg (10.12 lbs) 9.180 kg (20.24 lbs) 45.900 kg (101.19 lbs)
🍯 Pure Honey 1.420 kg/L 1.420 kg (3.13 lbs) 7.100 kg (15.65 lbs) 14.200 kg (31.31 lbs) 71.000 kg (156.53 lbs)

Frequently Asked Questions

Everything you need to know about converting volume in liters to mass in kg.

How do you convert liters to kilograms (kg)?
To convert volume in liters to mass in kilograms, multiply the volume by the density of the substance in kg/L:
Mass (kg) = Volume (Liters) × Density (kg/L)
For pure water (density = 1.000 kg/L), 1 liter equals exactly 1 kilogram. For 10 liters of diesel (0.832 kg/L), mass is: 10 × 0.832 = 8.32 kg.
Does 1 liter always weigh 1 kilogram?
No. 1 liter weighs exactly 1 kilogram only for pure water at 4°C. For lighter fluids (like gasoline at 0.745 kg/L), 1 liter weighs only 0.745 kg. For heavier liquids (like honey at 1.420 kg/L), 1 liter weighs 1.420 kg.
How many kg is 1 liter of gasoline, diesel, and motor oil?
1 Liter of Gasoline: ~0.745 kg (1.64 lbs)
1 Liter of Diesel #2: ~0.832 kg (1.83 lbs)
1 Liter of Motor Oil: ~0.875 kg (1.93 lbs)
1 Liter of Jet A Fuel: ~0.804 kg (1.77 lbs)
How do you convert liters to pounds (lbs)?
Multiply mass in kilograms by 2.20462:
Weight (lbs) = Volume (Liters) × Density (kg/L) × 2.20462262