NZ PAYE Calculator 2026/27 vs BuildWire Calc

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

NZ PAYE Calculator 2026/27 compared with BuildWire Calc
Detail	NZ PAYE Calculator 2026/27	BuildWire Calc
What it does	Free NZ PAYE calculator for take-home pay, tax, ACC levy, KiwiSaver and student loan deductions	Offline calculators for electricians, builders and HVAC technicians
Stage	Not given	Not given
Founded	Not given	Not given
Based in	NZ	US
Pricing model	Free	Freemium
Pricing	Not given	Free: nine calculators (voltage drop, Ohm's law, watts to amps, concrete slab, roof pitch, board feet, BTU, CFM, BTU to kW), no time limit. Pro: $9.99 per year or $19.99 lifetime (one payment, no renewal).
Key features	Progressive tax bracket calculation (10.5% to 39%) ACC earner's levy deduction at 1.75% KiwiSaver contribution rates from 3.5% to 10% Student loan repayment calculations above $24,128 threshold Independent Earner Tax Credit for eligible incomes Multiple pay frequency options (annual, monthly, fortnightly, weekly) Detailed tax breakdown showing marginal and effective tax rates No signup required	Wire sizing and voltage drop calculations Conduit fill and box fill calculations Offline operation with no network required Transparent calculation steps and NEC warnings Job organization and PDF/CSV export Motor and generator sizing calculators Power and conversion calculators Building calculations for concrete and roof pitch No ads and no account required Private with data staying on device
What makes it different	Uses only official Inland Revenue rates and thresholds, updated regularly Completely free with no account or data collection required Instant calculations for all common salary situations Comprehensive deductions in one place (tax, ACC, KiwiSaver, student loans)	Works completely offline with no network or cellular signal required Private by design with no account, no ads, and calculations never leaving your device Shows exact NEC formulas and calculation steps so you can verify results before fieldwork Over 35 specialized calculators covering electrical, building and HVAC trades Tested code with automated tests against independently worked examples
Community votes	0	0
DR (Domain Rating by Ahrefs)	12 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	6	0
Citation Flow (Majestic)	13	13
Referring domains (Majestic)	16	1

5 details filled in for both companies.

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