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Convert W·s to BTU instantly with an accurate, free calculator. Type any value to see the result update.
Uses the International Table definition: 1 BTU (IT) = 1,055.05585262 joules, not the thermochemical BTU. Source: NIST Guide for the Use of the International System of Units.
One watt-seconds equals 0.000947817 BTU. This value is calculated by the same conversion engine used above.
Use the formula W·s × 0.000947817. For example, 1000 W·s equals 0.947817 BTU.
1000 W·s is 0.947817 BTU.
Yes. The converter is free to use, requires no account, and updates the result as you type.
