UK Tax Calculator (2017/18)
This package allows you to calculate UK income tax. It also gives you a detailed breakdown of each part of the tax calculations.
Installation
You can install the package via the NPM registry.
npm install uk-tax-calculator
yarn add uk-tax-calculator
Setup
You will need to import the package into your project and then instantiate it with an income value;
; const incomeTax = 60000; console;
Options
defaults
age: 30 studentLoanPlan: 0 blind: false pensionContributions: 000
age - Number
This options reprents the age of the person you are calculating the income tax form.
studentLoanPlan - Number
This option represents the student loan plan of the person you are calculating the income tax for.
0 - No plan
1 - Plan 1
2 - Plan 2
Plan 1
- English and Welsh students who started before 1 September 2012
- all Scottish and Northern Irish students
- You pay back 9% of your income over the minimum amount of £17,775.
Plan 2
- Plan 2 is for English and Welsh students who started on or after 1 September 2012.
- You pay back 9% of your income over the minimum amount of £21,000.
No plan
- No repayments will be made as you have no student loan
Blind - Boolean
This options represents whether or not the person is blind. Extra tax allowances are allocated for blind individuals.
pensionContributions - Number
This option represents the amount the person is paying into a pension.
Methods
setOptions(object)
Allows to change the options
;const incomeTax = 60000;incomeTax;
getOptions
Returns the current calculator options
getSettings
Returns the current tax year settings
getTaxBreakdown
Returns a full breakdown of net income and tax deductions
;const incomeTax = 60000;console;
Returns
netIncome: yearly: 4257632 monthly: 354803 weekly: 81878 daily: 11665 personalAllowance: 11500 paye: rate_0: tax: 0 carry: 48500 rate_20: tax: 6700 carry: 15000 rate_40: tax: 6000 carry: 0 rate_45: tax: 0 carry: 0 nationalInsurance: rate_0: tax: 0 carry: 9968499999999999 rate_12: tax: 8508 carry: 2878499999999999 rate_2: tax: 576 carry: 0 studentLoan: plan: 'NO_PLAN' threshold: 0 rate: 0 repayment: 0
getTotalNetPayPerYear
Returns total net pay per year rounded to 2 decimal places