LKFS ↔ LUFS Converter & Explainer
LKFS and LUFS are the same unit — this tool confirms the 1:1 relationship and converts to dB-relative-to-target for any standard so you stop second-guessing the acronyms.
LKFS (Loudness, K-weighted, relative to Full Scale — ATSC/ITU's term) and LUFS (Loudness Units relative to Full Scale — EBU's term) are literally the same measurement: −23 LKFS = −23 LUFS. The only real differences between standards are the target number and the gating/tolerance — never the unit. 'LU' (without FS) is a relative difference.
Rule / Formula
LKFS and LUFS are the same unit — this tool confirms the 1:1 relationship and converts to dB-relative-to-target for any standard so you stop second-guessing the acronyms.
About LKFS ↔ LUFS Converter & Explainer
LKFS and LUFS are the same unit — this tool confirms the 1:1 relationship and converts to dB-relative-to-target for any standard so you stop second-guessing the acronyms. LKFS (Loudness, K-weighted, relative to Full Scale — ATSC/ITU's term) and LUFS (Loudness Units relative to Full Scale — EBU's term) are literally the same measurement: −23 LKFS = −23 LUFS. The only real differences between standards are the target number and the gating/tolerance — never the unit. 'LU' (without FS) is a relative difference.
How to use LKFS ↔ LUFS Converter & Explainer
- 1Enter your values into the fields in LKFS ↔ LUFS Converter & Explainer.
- 2The result and any pass/fail verdict update instantly as you type — no button to press.
- 3Check the substituted formula and worked example to see exactly how the result was derived.
- 4Copy or note the result for your spec, delivery or planning.
Why use LKFS ↔ LUFS Converter & Explainer?
- ✓Runs entirely in your browser with instant, private results — no data leaves your device.
- ✓Built on a published reference: ITU-R BS.1770-4.
- ✓Shows the governing formula and a worked example, so you can trust and check every result.
- ✓100% free with no sign-up, no watermark and no usage limits.
- ✓Works on any device — desktop, tablet or phone — and keeps working offline once loaded.
Frequently asked questions
What does LKFS ↔ LUFS Converter & Explainer do?+
LKFS and LUFS are the same unit — this tool confirms the 1:1 relationship and converts to dB-relative-to-target for any standard so you stop second-guessing the acronyms. LKFS (Loudness, K-weighted, relative to Full Scale — ATSC/ITU's term) and LUFS (Loudness Units relative to Full Scale — EBU's term) are literally the same measurement: −23 LKFS = −23 LUFS.
Is my data private?+
Yes. LKFS ↔ LUFS Converter & Explainer runs entirely in your browser — your inputs are never uploaded, stored or logged.
What standard or source is LKFS ↔ LUFS Converter & Explainer based on?+
It follows ITU-R BS.1770-4; EBU R 128 / ATSC A/85 (terminology). Always confirm against the current official document, as specifications and rates can change.
What formula does it use?+
LKFS ↔ LUFS Converter & Explainer uses: 1 LKFS = 1 LUFS exactly (both are K-weighted, dB below full scale); LU relative = value − target. The tool shows this formula with your own numbers substituted so you can verify the result.
Is LKFS ↔ LUFS Converter & Explainer free to use?+
Yes — it is completely free with no account, no sign-up and no usage limits. There is no watermark and no paywall.
Embed LKFS ↔ LUFS Converter & Explainer on your website
Want LKFS ↔ LUFS Converter & Explaineron your own site? Paste this snippet into any HTML page — it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.
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