Fill
Will it fit? Kitchen default is 14.8% FITS on ½" EMT. Ground is bare area. Ground does not upsize with the hots.
Voltage Drop & Wire Size
Conduit Fill: NEC Calculator
Will it fit. What it loses. What you pull. Offline field calculator for US residential and light-commercial work. One job card carries the same wires across Fill, V-Drop, and Wire. Unlock is $7.99 once. There is no account, no ads, no tracking, and no subscription.
Offline$7.99 onceNo ads · no tracking2023 + 2026
Fill
14.8%
FITS
V-drop
2.1%
OK
Pull
#12
#12
Kitchen · ½" EMT · 3×#12 + gnd
Three tabs. One job.
Same conductors travel Fill → V-Drop → Wire. Switch the code year in the header. Status words stay shop talk: FITS TIGHT OVER · OK CLOSE HIGH.
V-Drop
How much will I lose? Tap 20A rec and the 85 ft run goes HIGH at 4.5%. Upsize hots to #10. Ground stays #12.
Wire
What do I pull? The answer is the AWG. Put #10 on the pull because voltage drop at 85 ft, not because ampacity ran out.
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Free
Fill forward on EMT and THHN. One What pipe? One V-Drop. One saved job. 2026 tables. PDF with a SAMPLE mark.
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Unlimited V-Drop and What pipe. Wire tab. 2023 and 2026. Fifty saved jobs. Clean inspector PDF.
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Field calculator
It is not NFPA 70, not the codebook, and not AHJ approval. Verify every pull against the edition your inspector is using.