Convert kilograms of water to liters with live temperature correction. At 4 °C one kilogram is one liter; warm water takes up a little more room.
How KG to Liters Water Works?
KG to Liters Water works by dividing the mass of water in kilograms (kg) by the density of water in kilograms per liter (kg/L). Water has a density of 1.000 kg/L at 4 °C (39.2 °F). The volume updates in real time as the weight changes.
Mass1 kg
→
÷ Density1.000 kg/L
→
Volume1 L
1 kg of water ÷ 1.000 kg/L = 1 L (0.26 US gallons, 0.22 UK gallons).
4 steps to convert water from kg to liters
Choose the direction: "kg → Liters" for mass to volume or "Liters → kg" for volume to mass.
Enter the weight in 1 of 7 mass units: kilograms (kg), grams (g), pounds (lb), ounces (oz), stone (st), tonnes (t) or milligrams (mg).
Set the water temperature: the converter applies the water density from 0 °C (32 °F) to 100 °C (212 °F).
Read the volume in 1 of 13 volume units, including liters (L), milliliters (mL), US gallons (gal), UK gallons, US cups, cubic meters (m³) and oil barrels (bbl).
The converter changes the input to kilograms, divides the kilograms by the density and changes the liters to the selected output unit. The live container fills to the result, and the container row counts 250 mL glasses, 1 L bottles and 19 L water jugs.
KG to Liters Water Formula
The KG to Liters Water formula is liters = kilograms ÷ 1.000, written as V = m ÷ ρ with ρ = 1.000 kg/L for water. The formula has 3 variables:
V (volume) is the result in liters (L).
m (mass) is the weight of water in kilograms (kg).
ρ (rho, density) is the mass of water per unit volume in kilograms per liter (kg/L).
VolumeV = m ÷ 1.000
Massm = V × 1.000
Densityρ = m ÷ V
Cover the unknown value in the triangle to read its formula.
3 worked examples of the KG to Liters Water formula
1 kg ÷ 1.000 kg/L = 1 L (0.26 US gal).
10 kg ÷ 1.000 kg/L = 10 L (2.64 US gal).
100 kg ÷ 1.000 kg/L = 100 L (26.42 US gal).
The reverse formula is kilograms = liters × 1.000: 1 L of water weighs 1.000 kg (1,000 g, 2.2 lb), and 1 US gallon weighs 3.79 kg (8.35 lb).
Water density by temperature
Water density falls from 1.00000 kg/L at 4 °C (39.2 °F) to 0.95810 kg/L at 100 °C (212 °F). 1 kg of water fills 1.0018 L at 20 °C (68 °F) and 1.0437 L at 100 °C.
Temperature
Density (kg/L)
Liters in 1 kg
4 °C (39.2 °F)
1.00000
1.0000
20 °C (68 °F)
0.99823
1.0018
40 °C (104 °F)
0.99225
1.0078
60 °C (140 °F)
0.98321
1.0171
80 °C (176 °F)
0.97172
1.0291
100 °C (212 °F)
0.95810
1.0437
KG to Liters Water Conversion Table
The KG to Liters Water conversion table lists the volume of water in liters (L), US gallons and UK gallons for 12 masses from 0.5 kg to 1,000 kg at 1.000 kg/L. A second table converts liters of water back to kilograms.
kg
lb
Liters (L)
US gal
UK gal
0.5 kg
1.1
0.5 L
0.13
0.11
1 kg
2.2
1 L
0.26
0.22
2 kg
4.41
2 L
0.53
0.44
5 kg
11.02
5 L
1.32
1.1
10 kg
22.05
10 L
2.64
2.2
15 kg
33.07
15 L
3.96
3.3
20 kg
44.09
20 L
5.28
4.4
25 kg
55.12
25 L
6.6
5.5
50 kg
110.23
50 L
13.21
11
100 kg
220.46
100 L
26.42
22
500 kg
1,102.31
500 L
132.09
109.98
1,000 kg
2,204.62
1,000 L
264.17
219.97
Liters to kg for water
Liters (L)
kg
lb
1 L
1 kg
2.2
5 L
5 kg
11.02
10 L
10 kg
22.05
20 L
20 kg
44.09
50 L
50 kg
110.23
100 L
100 kg
220.46
200 L
200 kg
440.92
1,000 L
1,000 kg
2,204.62
Honey0.70 L
Whole Milk0.97 L
Sea Water0.98 L
Water1.00 L
Refined Cooking Oil1.09 L
Petrol / Gasoline1.34 L
Ice Cream1.82 L
Liters in 1 kg of 7 substances. Bars longer than water mark substances lighter than water.
1 liter equals 1,000 milliliters (mL), 0.264 US gallons, 0.220 UK gallons and 33.8 US fluid ounces (fl oz), so each value in the table converts to these units by multiplication.
What Is KG to Liters Water?
KG to Liters Water is a mass-to-volume conversion that turns the mass of water in kilograms (kg) into the volume in liters (L), using the density of water as the conversion factor.
Water (H₂O) is a clear liquid with a density of 0.999975 kg/L at 4 °C (39.2 °F) and 0.998207 kg/L at 20 °C (68 °F). The liter was defined from 1901 to 1964 as the volume of 1 kg of water at maximum density.
1 kg of water fills 1.000 L (1,000 mL, 33.8 US fl oz).
1 L of water weighs 1.000 kg (1,000 g, 2.2 lb).
Water is the reference substance: 1 kg of water fills 1 L at 4 °C (39.2 °F).
Water1.00 L
Sea Water0.98 L
Whole Milk0.97 L
Refined Cooking Oil1.09 L
1 kg of 4 substances fills 4 different volumes.
The International Bureau of Weights and Measures (BIPM) defines the kilogram (kg) as the SI base unit of mass, and the liter (L) equals 1 cubic decimeter (dm³), a unit accepted for use with the International System of Units (SI).
What Are the Uses of KG to Liters Water?
There are 4 main uses of KG to Liters Water: tank filling, cooking and baking, lab measurement and shipping weight.
Tank filling: Water tanks list volume in liters, and truck scales weigh water in kilograms: a 1,000 kg load fills 1,002 L at 20 °C.
Cooking and baking: Recipes give water in grams or milliliters, and 1 g of water equals 1.002 mL at room temperature.
Lab measurement: Labs calibrate pipettes and volumetric flasks by weighing water and dividing by the water density at the measured temperature.
Shipping weight: Bottled water ships by weight: a 19 L (5 US gal) jug holds 18.97 kg (41.8 lb) of water at 20 °C.
KG to Liters Water returns estimates from typical density values. Weigh 1 L of the product or read the product data sheet, if the job needs an exact figure.
Frequently Asked Questions
How many liters is 1 kg of water?
About 1 L, using a typical density of 1.000 kg/L for water.
How much does 1 liter of water weigh?
About 1.000 kg (1000 g).
Is 1 kg of water exactly 1 liter?
Almost. Pure water is densest at about 4 °C, where 1 kg fills 1.000 L. At 20 °C it fills about 1.002 L and at 90 °C about 1.036 L.
How many liters is 15 kg of water?
About 15 L at 4 °C, or 15.03 L at room temperature (20 °C).
Does salt water weigh more?
Yes. Sea water is about 1.025 kg/L, so 1 kg of sea water is only about 0.976 L.