British Thermal Unit to Million BTU (MMBtu, IT) Converter
Energy · unit-converter
Convert British Thermal Unit to Million BTU (MMBtu, IT) with fixed input and output units, a step-by-step formula line, and reference tables. Factors are joule-based; food energy uses thermochemical calories. The full Energy Converter also includes MMBtu, toe, thermal kWh, and MeV/GeV.
Calculator
From: British Thermal Unit (btu)
To: Million BTU (MMBtu, IT) (mmbtu)
About British Thermal Unit
The British thermal unit used here is the IT BTU: ≈ 1,055.056 J. It appears in HVAC, heating equipment, and US engineering data.
About Million BTU (MMBtu, IT)
MMBtu means one million IT BTU: 1,000,000 × 1,055.05585262 J. It is widely used in gas and thermal energy markets.
How to convert british thermal units to million btu (mmbtu, it)
1 british thermal unit is equal to 0.000001 million btu (mmbtu, it) when both are expressed in joule-equivalents:
1 btu = (1,055.05585262 J ÷ 1,055,055,852.62 J) mmbtu = 0.000001 mmbtu
Each british thermal unit is defined as 1,055.05585262 J and each million btu (mmbtu, it) as 1,055,055,852.62 J in this tool, so one btu equals 1,055.05585262 ÷ 1,055,055,852.62 mmbtu = 0.000001 mmbtu.
Let d(btu) be the numeric amount in British Thermal Unit (btu), and d(mmbtu) the amount in Million BTU (MMBtu, IT) (mmbtu). Then:
d(mmbtu) = d(btu) × (1,055.05585262 / 1,055,055,852.62)
Equivalently, divide by how many btu fit into one mmbtu (joules per mmbtu divided by joules per btu):
d(mmbtu) = d(btu) ÷ 1000000
Or: million btu (mmbtu, it) = british thermal unit ÷ 1000000
Examples
Example #1: Convert 1 btu to million btu (mmbtu, it)
1 btu = 1 btu × (1,055.05585262/1,055,055,852.62) mmbtu = 0.000001 mmbtu
1 btu = 1 btu ÷ 1000000 = 0.000001 mmbtu
Example #2: Convert 10 btu to million btu (mmbtu, it)
10 btu = 10 btu × (1,055.05585262/1,055,055,852.62) mmbtu = 0.00001 mmbtu
10 btu = 10 btu ÷ 1000000 = 0.00001 mmbtu
Summary
To convert British Thermal Unit to Million BTU (MMBtu, IT), multiply the value in btu by the ratio of joules per btu divided by joules per mmbtu. Equivalently: value_mmbtu = value_btu × (1055.05585262 / 1055055852.62). Numerically, 1 btu equals 0.000001 mmbtu.
Relationship context
Both units are US / imperial engineering units (BTU, therm, ft·lb). Conversions use fixed joule factors, so results stay consistent with the definitions in this converter. The factor from British Thermal Unit to Million BTU (MMBtu, IT) is 1.000000e-6 (1 btu = 0.000001 mmbtu).
Conversion tables
| British Thermal Unit (btu) | Million BTU (MMBtu, IT) (mmbtu) |
|---|---|
| 0.1 | 0.0000001 |
| 1 | 0.000001 |
| 2 | 0.000002 |
| 3 | 0.000003 |
| 4 | 0.000004 |
| 5 | 0.000005 |
| 6 | 0.000006 |
| 7 | 0.000007 |
| 8 | 0.000008 |
| 9 | 0.000009 |
| British Thermal Unit (btu) | Million BTU (MMBtu, IT) (mmbtu) |
|---|---|
| 10 | 0.00001 |
| 20 | 0.00002 |
| 30 | 0.00003 |
| 40 | 0.00004 |
| 50 | 0.00005 |
| 60 | 0.00006 |
| 70 | 0.00007 |
| 80 | 0.00008 |
| 90 | 0.00009 |
| 100 | 0.0001 |