Online calculator for calculating the consumption and cost of natural gas for heating, cooking or water heating.
Calculate natural gas consumption and cost
Heating of premises with gas boilers and convectors
Water heating with gas water heaters and boilers
Using gas in the kitchen for cooking
| Equipment type | Average flow, m³/h | Description |
|---|---|---|
| Gas stove (4 burners) | 0.6–1.2 m³/h | 4-burner gas cooking stove |
| Geyser | 1.5–2.5 m³/h | Geyser for hot water supply |
| Gas boiler 10-20 kW | 1.2–2.4 m³/h | Small gas boiler for heating |
| Gas boiler 30-40 kW | 3–4.5 m³/h | Large gas boiler for heating |
The calculator will help you calculate the consumption and cost of natural gas depending on the purpose, equipment capacity, operating time and tariffs.
The gas consumption calculator uses standard formulas for calculating natural gas consumption. The calculation is based on equipment power, operating time, system efficiency and gas tariff. Formula: Gas consumption (m³/h) = Power (kW) / 10 / efficiency. Daily consumption = Consumption per hour × Operating hours. Cost = Gas consumption × Tariff. The calculator supports three main uses: space heating, hot water supply and cooking. The area of the room is also taken into account when calculating heating.
Let's look at practical examples of calculating gas consumption and cost for various use scenarios:
House 100 m², gas boiler 20 kW, heating 16 hours a day
Входные данные:
Purpose: Heating, Area: 100 m², Power: 20 kW, Hours/day: 16, Efficiency: 90%, Tariff: 7 ₽/m³, Period: 180 daysРасчёт:
Gas consumption per hour: 20 / 10 / 0.9 = 2.22 m³/h
Daily flow: 2.22 × 16 = 35.52 m³/day
Monthly consumption: 35.52 × 30 = 1,065.6 m³/month
Consumption for the period: 35.52 × 180 = 6,393.6 m³/season
Cost per day: 35.52 × 7 = 248.64 ₽
Cost per season: 6,393.6 × 7 = 44,755.2 RURРезультат:
Consumption per hour: 2.22 m³/h, Consumption per season: 6,393.6 m³, Cost per season: 44,755.2 ₽
Тип:
Heating
Gas heating is the most economical for private homes
Geyser 24 kW for heating water 8 hours a day
Входные данные:
Purpose: Hot water, Power: 24 kW, Hours/day: 8, Efficiency: 85%, Tariff: 7 ₽/m³, Period: 30 daysРасчёт:
Gas consumption per hour: 24 / 10 / 0.85 = 2.82 m³/h
Daily flow: 2.82 × 8 = 22.56 m³/day
Monthly consumption: 22.56 × 30 = 676.8 m³/month
Cost per day: 22.56 × 7 = 157.92 RUR
Cost per month: 676.8 × 7 = 4,737.6 ₽Результат:
Consumption per hour: 2.82 m³/h, Consumption per month: 676.8 m³, Cost per month: 4,737.6 ₽
Тип:
Hot water
Geyser is effective for constant hot water supply
Gas stove 5 kW for cooking 4 hours a day
Входные данные:
Purpose: Cooking, Power: 5 kW, Hours/day: 4, Efficiency: 60%, Tariff: 7 ₽/m³, Period: 30 daysРасчёт:
Gas consumption per hour: 5 / 10 / 0.6 = 0.83 m³/h
Daily flow: 0.83 × 4 = 3.32 m³/day
Monthly consumption: 3.32 × 30 = 99.6 m³/month
Cost per day: 3.32 × 7 = 23.24 RUR
Cost per month: 99.6 × 7 = 697.2 RURРезультат:
Consumption per hour: 0.83 m³/h, Consumption per month: 99.6 m³, Cost per month: 697.2 ₽
Тип:
Cooking
A gas stove consumes relatively little gas for cooking
Apartment 60 m², gas boiler 15 kW, heating 12 hours a day
Входные данные:
Purpose: Heating, Area: 60 m², Power: 15 kW, Hours/day: 12, Efficiency: 92%, Tariff: 7 ₽/m³, Period: 180 daysРасчёт:
Gas consumption per hour: 15 / 10 / 0.92 = 1.63 m³/h
Daily flow: 1.63 × 12 = 19.56 m³/day
Monthly consumption: 19.56 × 30 = 586.8 m³/month
Consumption per season: 19.56 × 180 = 3,520.8 m³/season
Cost per day: 19.56 × 7 = 136.92 RUR
Cost per season: 3,520.8 × 7 = 24,645.6 RURРезультат:
Consumption per hour: 1.63 m³/h, Consumption per season: 3,520.8 m³, Cost per season: 24,645.6 ₽
Тип:
Apartment heating
Gas heating of an apartment is cheaper than central heating with an individual boiler
House with heating boiler and hot water heater
Входные данные:
Heating: 20 kW, 14 hours/day; Hot water: 24 kW, 6 hours/day; Efficiency: 90%, Tariff: 7 ₽/m³Расчёт:
Heating:
Flow per hour: 20 / 10 / 0.9 = 2.22 m³/h
Daily flow: 2.22 × 14 = 31.08 m³/day
Hot water:
Flow per hour: 24 / 10 / 0.9 = 2.67 m³/h
Daily flow: 2.67 × 6 = 16.02 m³/day
Total consumption: 31.08 + 16.02 = 47.1 m³/day
Monthly consumption: 47.1 × 30 = 1,413 m³/month
Cost per month: 1,413 × 7 = 9,891 ₽Результат:
Total consumption: 47.1 m³/day, Monthly consumption: 1,413 m³, Monthly cost: 9,891 ₽
Тип:
Combined
Using gas for heating and hot water is economical
Comparison of an old boiler (75% efficiency) and a new one (95% efficiency)
Входные данные:
Power: 20 kW, Hours/day: 16, Old efficiency: 75%, New efficiency: 95%, Tariff: 7 ₽/m³Расчёт:
Old boiler (75% efficiency):
Flow per hour: 20 / 10 / 0.75 = 2.67 m³/h
Daily flow: 2.67 × 16 = 42.72 m³/day
Cost per month: 42.72 × 30 × 7 = 8,971.2 ₽
New boiler (95% efficiency):
Flow per hour: 20 / 10 / 0.95 = 2.11 m³/h
Daily flow: 2.11 × 16 = 33.76 m³/day
Cost per month: 33.76 × 30 × 7 = 7,089.6 ₽
Savings: 8,971.2 - 7,089.6 = 1,881.6 ₽/monthРезультат:
Savings: 1,881.6 ₽/month (21% reduction in consumption)
Тип:
Efficiency comparison
High boiler efficiency significantly reduces gas consumption
Gas consumption is calculated based on equipment power, operating time and system efficiency. The cost is determined based on the gas tariff.
Расход газа (м³/ч) = Мощность (кВт) / 10 / КПД
Суточный расход = Расход в час × Часы работы
Стоимость = Расход газа × Тариф
Основные направления использования природного газа:
Мощность: 10-40 кВт
Расход: 1.2-4.5 м³/ч
Мощность: 15-30 кВт
Расход: 1.5-2.5 м³/ч
Мощность: 3-8 кВт
Расход: 0.6-1.2 м³/ч
Средний расход газа для различных типов газового оборудования:
0.6-1.2 м³/ч
1.5-2.5 м³/ч
1.2-2.4 м³/ч
3.0-4.5 м³/ч
Accurate calculation of consumption, taking into account all factors, comparison of different scenarios, calculation for different periods.
Maintain gas equipment regularly
Use thermostats to save gas
Insulating your home reduces gas consumption for heating
Enter the area of the room, boiler power and efficiency. The calculator will calculate the approximate gas consumption per day, month and season.
About 2 m³/h at full load, depending on efficiency and temperature.
Maintain your equipment regularly, insulate your home, and install thermostats for optimal temperature control.
To calculate gas consumption for heating a house, use a calculator, indicating the area of the house, the power of the gas boiler, the efficiency of the system, the operating time per day and the gas tariff. For example, a house of 100 m² with a 20 kW boiler operating 16 hours a day at an efficiency of 90%: consumption is about 2.22 m³/h, daily consumption is 35.52 m³, cost per season (180 days) is about 44,755 ₽. The calculator will automatically calculate all parameters.
To calculate gas consumption for a gas stove, indicate the power of the stove (usually 3-8 kW), operating time per day and efficiency (usually 60-70%). For example, a 5 kW stove when operating 4 hours a day: consumption is about 0.83 m³/h, daily consumption is 3.32 m³, monthly consumption is 99.6 m³. With a tariff of 7 ₽/m³, the cost per month is 697 ₽. The calculator takes into account all factors.
To calculate gas consumption for a gas water heater, indicate the power of the water heater (usually 15-30 kW), operating time per day and efficiency (usually 80-90%). For example, a 24 kW dispenser when operating 8 hours a day and an efficiency of 85%: consumption is about 2.82 m³/h, daily consumption is 22.56 m³, monthly consumption is 676.8 m³. With a tariff of 7 ₽/m³, the cost per month is 4,738 ₽.
A 20 kW gas boiler with an efficiency of 90% consumes about 2.22 m³/h at full load. When working 16 hours a day, the daily consumption is about 35.52 m³, the monthly consumption is about 1,066 m³. Cost at a rate of 7 ₽/m³: about 249 ₽/day, about 7,462 ₽/month. Consumption depends on temperature, quality of insulation and operating mode.
A 30 kW gas boiler with an efficiency of 90% consumes about 3.33 m³/h at full load. When working 16 hours a day, the daily consumption is about 53.28 m³, the monthly consumption is about 1,598 m³. Cost at a rate of 7 ₽/m³: about 373 ₽/day, about 11,186 ₽/month. A 30 kW boiler is suitable for large houses of 150-200 m².
To calculate gas consumption on the meter, record the readings at the beginning and end of the period. The difference will show consumption. For example, beginning of the month: 1,500 m³, end of the month: 1,676.8 m³. Consumption: 176.8 m³. At a tariff of 7 ₽/m³, the cost is: 176.8 × 7 = 1,237.6 ₽. The calculator helps check whether actual consumption corresponds to calculated values.
To calculate gas consumption per month, multiply the daily consumption by 30 days or use a calculator with a period of 30 days. For example, daily flow 35.52 m³: monthly flow 35.52 × 30 = 1,065.6 m³. With a tariff of 7 ₽/m³, the cost per month is: 1,065.6 × 7 = 7,459.2 ₽. The calculator shows consumption both per day and per month.
To calculate the cost of gas for heating, multiply the gas consumption in m³ by the tariff. For example, gas consumption per season is 6,393.6 m³ at a tariff of 7 ₽/m³: cost 6,393.6 × 7 = 44,755.2 ₽ per season. Daily cost: 248.64 ₽, monthly cost: 7,459 ₽. The calculator automatically calculates the cost of gas for all periods.
To calculate gas consumption for heating by area, use the power rate per m² (usually 80-120 W/m²), determine the required boiler power and calculate the consumption. For example, a house of 100 m², norm 100 W/m²: required power 10 kW. At 90% efficiency, gas consumption: 10 / 10 / 0.9 = 1.11 m³/h. When working 16 hours a day: daily consumption 17.76 m³. The calculator automatically calculates the flow rate by area.
To calculate gas consumption for heating an apartment, indicate the area of the apartment, boiler power and operating mode. For example, an apartment of 60 m² with a 15 kW boiler operating 12 hours a day at an efficiency of 92%: consumption is about 1.63 m³/h, daily consumption is 19.56 m³, monthly consumption is 586.8 m³. With a tariff of 7 ₽/m³, the cost per month is 4,108 ₽. Gas heating of an apartment is cheaper than centralized heating.
To calculate gas consumption for hot water supply, indicate the power of the gas water heater, operating time per day and efficiency. For example, a 24 kW dispenser when operating 8 hours a day and an efficiency of 85%: consumption is about 2.82 m³/h, daily consumption is 22.56 m³, monthly consumption is 676.8 m³. With a tariff of 7 ₽/m³, the cost per month is 4,738 ₽. Consumption depends on the amount of hot water.
To calculate gas consumption for cooking, indicate the power of the gas stove (usually 3-8 kW), cooking time per day and efficiency (usually 60%). For example, a 5 kW stove when operating 4 hours a day: consumption is about 0.83 m³/h, daily consumption is 3.32 m³, monthly consumption is 99.6 m³. With a tariff of 7 ₽/m³, the cost per month is 697 ₽. A gas stove consumes relatively little gas.
To calculate gas consumption for a year, multiply the monthly consumption by 12 months or use a calculator with a period of 365 days. For example, monthly flow 1,065.6 m³: annual flow 1,065.6 × 12 = 12,787.2 m³. With a tariff of 7 ₽/m³, the cost per year is: 12,787.2 × 7 = 89,510.4 ₽. The calculator calculates the consumption for the specified period.
To calculate gas consumption taking into account efficiency, use the formula: Consumption (m³/h) = Power (kW) / 10 / efficiency. The higher the efficiency, the lower the consumption. For example, a 20 kW boiler: with an efficiency of 75%, the consumption is 2.67 m³/h, with an efficiency of 95% the consumption is 2.11 m³/h. Savings amount to 21%. The calculator automatically takes into account efficiency when calculating.
To calculate gas consumption for a double-circuit boiler, take into account the use for heating and hot water. For example, a 24 kW boiler: for heating (14 hours/day) consumption 26.67 m³/day, for hot water (6 hours/day) consumption 16.02 m³/day. Total consumption: 42.69 m³/day, monthly consumption 1,280.7 m³. With a tariff of 7 ₽/m³, the cost per month is 8,965 ₽.
To calculate gas consumption for a condensing boiler, take into account the high efficiency (95-98%). For example, a 20 kW condensing boiler with an efficiency of 97%: gas consumption about 2.06 m³/h, daily consumption (16 hours) 32.96 m³, monthly consumption 988.8 m³. With a tariff of 7 ₽/m³, the cost per month is 6,922 ₽. Savings up to 15-20% compared to conventional boilers.
To calculate gas consumption for an old boiler, take into account the low efficiency (usually 60-75%). For example, an old 20 kW boiler with an efficiency of 70%: gas consumption is about 2.86 m³/h, daily consumption (16 hours) 45.76 m³, monthly consumption 1,372.8 m³. With a tariff of 7 ₽/m³, the cost per month is 9,610 ₽. Replacing with a new boiler (95% efficiency) gives a savings of 21%.
To calculate gas consumption for an insulated house, use a reduced power rate per m² (60-80 W/m² instead of 100-120 W/m²). Insulation reduces the required power and gas consumption by 30-40%. For example, an insulated house of 100 m² requires an 8 kW boiler instead of 12 kW: consumption decreases from 42.72 m³/day to 28.48 m³/day. Savings: 14.24 m³/day × 7 ₽ = 99.68 ₽/day.
To calculate gas consumption for a summer residence, take into account periodic use (non-permanent residence). For example, a dacha of 80 m² with a 12 kW boiler, visiting only on weekends (2 days a week): consumption is significantly lower than with permanent residence. When working 8 hours a day, 2 days a week: weekly consumption 48.96 m³, monthly consumption about 210 m³. Cost per month: 1,470 ₽.
To calculate gas consumption at different temperatures, please note that at low temperatures the boiler operates longer and consumes more gas. For example, at -20°C the boiler operates 18-20 hours a day instead of 12-14 hours. Consumption increases by 40-50%. At -10°C: consumption increases by 20-30%. Use thermostats to optimize flow.
To calculate gas consumption for a bath, take into account short-term use and the high required temperature. For example, a 20 m² bathhouse with a 15 kW gas stove, heating for 2 hours 2 times a week: hourly consumption 1.67 m³/h, one-time consumption 3.34 m³, weekly consumption 6.68 m³, monthly consumption about 29 m³. With a tariff of 7 ₽/m³, the cost per month is 203 ₽.
To calculate gas consumption for a greenhouse, take into account the need to maintain a temperature of +18-22°C all year round and large heat losses through the glazing. For example, a 50 m² greenhouse with a 12 kW boiler operating 16 hours a day: flow rate is about 1.33 m³/h, daily flow rate is 21.28 m³, monthly flow rate is 638.4 m³. With a tariff of 7 ₽/m³, the cost per month is 4,469 ₽.
To calculate gas consumption for a garage, take into account the minimum required temperature (+5-10°C) and poor thermal insulation. For example, a 30 m² garage with a 5 kW gas heater operating 4 hours a day: consumption is about 0.56 m³/h, daily consumption is 2.24 m³, monthly consumption is 67.2 m³. With a tariff of 7 ₽/m³, the cost per month is 470 ₽. Insulating a garage reduces consumption by 30-40%.
To calculate gas consumption for production, take into account the high power of the equipment, continuous operation and technological needs. For example, production with a 100 kW boiler operating 24 hours a day at an efficiency of 85%: consumption is about 11.76 m³/h, daily consumption is 282.24 m³, monthly consumption is 8,467.2 m³. With a tariff of 7 ₽/m³, the cost per month is 59,270 ₽.
To reduce gas consumption for heating: insulate the house (saving 30-40%), replace the old boiler with a new one with high efficiency (saving 20-25%), install thermostats to regulate the temperature (saving 10-15%), regularly maintain equipment, use programmable thermostats to reduce the temperature at night and in the absence of people. Comprehensive measures can reduce consumption by up to 50%.
To calculate gas savings from insulation, compare the consumption before and after insulation. Insulation reduces the required power by 30-50%. For example, a house of 100 m²: before insulation, a 12 kW boiler is required, consumption 42.72 m³/day; after insulation, an 8 kW boiler is required, consumption 28.48 m³/day. Savings: 14.24 m³/day or 427.2 m³/month. With a tariff of 7 ₽/m³, savings: 2,990 ₽/month.
To calculate gas consumption for an apartment with central heating and an individual boiler, take into account the use of an individual boiler only for additional heating or a complete replacement of central heating. For example, an apartment of 60 m² with an individual 15 kW boiler for full heating: consumption is about 19.56 m³/day, monthly consumption is 586.8 m³, cost is 4,108 ₽/month. This is 30-40% cheaper than central heating.