Engineering-first writing on California child support, §4055 math, and the calculator built to show the work.https://cleancalc.io/https://cleancalc.io/blog/section-4058b-imputationhttps://cleancalc.io/blog/section-4058b-imputationCalifornia's §4058(b) lets a court substitute earning capacity for actual income — but only on specific findings. Here's the test, the case law, and the math.Thu, 04 Jun 2026 00:00:00 GMThttps://cleancalc.io/blog/self-employed-4058-mathhttps://cleancalc.io/blog/self-employed-4058-mathMost CA guideline calculators treat 1099, sole-prop, and S-corp income like a W-2. The result is wrong. Here is what §4058 actually says — with the math.Sat, 30 May 2026 00:00:00 GMThttps://cleancalc.io/blog/post-sb-343-k-factorhttps://cleancalc.io/blog/post-sb-343-k-factor§4055 K-factor table changed September 1, 2024 — and so did the low-income presumption. If your calculator predates that, the number is wrong.Sat, 23 May 2026 00:00:00 GMThttps://cleancalc.io/blog/dissomaster-is-deadhttps://cleancalc.io/blog/dissomaster-is-deadDissoMaster, the bench-tool standard for CA child support, was discontinued in 2025. The post-DissoMaster landscape — and what 'certified' actually means.Sat, 16 May 2026 00:00:00 GMThttps://cleancalc.io/blog/section-4057-deviationhttps://cleancalc.io/blog/section-4057-deviationCalifornia courts treat §4055 as presumed correct — but §4057 lets them deviate. Here's what triggers deviation, what §4056 requires, and the math.Sat, 09 May 2026 00:00:00 GMT