Output variables#

This section contains documentation of output variables in a format that is easy to search and print. The output variables are ordered alphabetically by name. There are no subsections, just a long list of output variables that Tax-Calculator is programmed to calculate.

niit#

Description: Net Investment Income Tax from Form 8960
Datatype: float
IRS Form Location:
2013-2013: 1040 line 60b
2014-2016: 1040 line 62b

combined#

Description: Sum of iitax and payrolltax and lumpsum_tax
Datatype: float
IRS Form Location:
2013-20??: calculated variable

earned#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

earned_p#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

earned_s#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

was_plus_sey_p#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

was_plus_sey_s#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

eitc#

Description: Earned Income Credit
Datatype: float
IRS Form Location:
2013-2013: 1040 line 64a
2014-2016: 1040 line 66a

rptc#

Description: Refundable Payroll Tax Credit for filing unit
Datatype: float
IRS Form Location:
2013-20??: calculated variable

rptc_p#

Description: Refundable Payroll Tax Credit for taxpayer
Datatype: float
IRS Form Location:
2013-20??: calculated variable

rptc_s#

Description: Refundable Payroll Tax Credit for spouse
Datatype: float
IRS Form Location:
2013-20??: calculated variable

exact#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: int
IRS Form Location:
2013-20??: calculated variable

expanded_income#

Description: Broad income measure that includes benefit_value_total
Datatype: float
IRS Form Location:
2013-20??: calculated variable

iitax#

Description: Total federal individual income tax liability; appears as INCTAX variable in tc CLI minimal output
Datatype: float
IRS Form Location:
2013-2013: 1040 line 61 minus line 56 minus line 60a
2014-2016: 1040 line 63 minus line 57 minus line 62a

num#

Description: 2 when MARS is 2 (married filing jointly); otherwise 1
Datatype: int
IRS Form Location:
2013-2016: 1040 lines 1-5

othertaxes#

Description: Other taxes: sum of niit, e09700, e09800 and e09900 (included in c09200)
Datatype: float
IRS Form Location:
2013-2013: sum of 1040 lines 57 through 60
2014-2016: sum of 1040 lines 58 through 62

payrolltax#

Description: Total (employee + employer) payroll tax liability; appears as PAYTAX variable in tc CLI minimal output (payrolltax = ptax_was + setax + ptax_amc)
Datatype: float
IRS Form Location:
2013-2013: OASDI+HI FICA plus 1040 lines 56 and 60a
2014-2016: OASDI+HI FICA plus 1040 lines 57 and 62a

refund#

Description: Total refundable income tax credits
Datatype: float
IRS Form Location:
2013-20??: calculated variable

sep#

Description: 2 when MARS is 3 (married filing separately); otherwise 1
Datatype: int
IRS Form Location:
2013-2016: 1040 lines 1-5

sey#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

standard#

Description: Standard deduction (zero for itemizers)
Datatype: float
IRS Form Location:
2013-2017: 1040 line 40
2018-20??: 1040 line 8

surtax#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

taxbc#

Description: Regular tax on regular taxable income before credits
Datatype: float
IRS Form Location:
2013-2016: 1040 line 44

c00100#

Description: Adjusted Gross Income (AGI)
Datatype: float
IRS Form Location:
2013-2017: 1040 line 37
2018-20??: 1040 line 7

c01000#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c02500#

Description: Social security (OASDI) benefits included in AGI
Datatype: float
IRS Form Location:
2013-2016: 1040 line 20b

c02900#

Description: Total of all ‘above the line’ income adjustments to get AGI
Datatype: float
IRS Form Location:
2013-2016: 1040 line 36

c03260#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c04470#

Description: Itemized deductions after phase-out (zero for non-itemizers)
Datatype: float
IRS Form Location:
2013-2017: 1040 line 40
2018-20??: 1040 line 8

c04600#

Description: Personal exemptions after phase-out
Datatype: float
IRS Form Location:
2013-2017: 1040 line 42
2018-20??:

qbided#

Description: Qualified Business Income (QBI) deduction
Datatype: float
IRS Form Location:
2013-2017:
2018-20??: 1040 line 9

c04800#

Description: Regular taxable income
Datatype: float
IRS Form Location:
2013-2017: 1040 line 43
2018-20??: 1040 line 10

c05200#

Description: Tax amount from Sch X,Y,X tables
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c05700#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c05800#

Description: Total (regular + AMT) income tax liability before credits (equals taxbc plus c09600)
Datatype: float
IRS Form Location:
2013-2013: 1040 line 46
2014-2016: 1040 line 47

c07100#

Description: Total non-refundable credits used to reduce positive tax liability
Datatype: float
IRS Form Location:
2013-2013: 1040 line 46 minus 1040 line 55
2014-2016: 1040 line 47 minus 1040 line 56

c07180#

Description: Nonrefundable credit for child and dependent care expenses from Form 2441
Datatype: float
IRS Form Location:
2013-2013: 1040 line 48
2014-2016: 1040 line 49

CDCC_refund#

Description: Refundable credit for child and dependent care expenses from Form 2441
Datatype: float
IRS Form Location:
2013-2013: 1040 line 48
2014-2016: 1040 line 49

c07200#

Description: Schedule R credit for the elderly and the disabled
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c07220#

Description: Child tax credit (adjusted) from Form 8812
Datatype: float
IRS Form Location:
2013-2013: 1040 line 51
2014-2016: 1040 line 52

c07230#

Description: Education tax credits non-refundable amount from Form 8863 (includes c87668)
Datatype: float
IRS Form Location:
2013-2013: 8863 line 19 and 1040 line 49
2014-2016: 8863 line 19 and 1040 line 50

c07240#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c07260#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c07300#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c07400#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c07600#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c08000#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c09200#

Description: Income tax liability (including othertaxes) after non-refundable credits are used, but before refundable credits are applied
Datatype: float
IRS Form Location:
2013-2013: 1040 line 61
2014-2016: 1040 line 63

c09600#

Description: Alternative Minimum Tax (AMT) liability
Datatype: float
IRS Form Location:
2013-2016: 1040 line 45

c10960#

Description: American Opportunity Credit refundable amount from Form 8863
Datatype: float
IRS Form Location:
2013-2013: 8863 line 8 and 1040 line 66
2014-2016: 8863 line 8 and 1040 line 68

c11070#

Description: Child tax credit (refunded) from Form 8812
Datatype: float
IRS Form Location:
2013-2013: 1040 line 65
2014-2016: 1040 line 67

c17000#

Description: Sch A: Medical expenses deducted (component of pre-limitation c21060 total)
Datatype: float
IRS Form Location:
2013-20??: calculated variable

e17500_capped#

Description: Sch A: Medical expenses, capped as a decimal fraction of AGI
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c18300#

Description: Sch A: State and local taxes plus real estate taxes deducted (component of pre-limitation c21060 total)
Datatype: float
IRS Form Location:
2013-20??: calculated variable

e18400_capped#

Description: Sch A: State and local income taxes deductible, capped as a decimal fraction of AGI
Datatype: float
IRS Form Location:
2013-20??: calculated variable

e18500_capped#

Description: Sch A: State and local real estate taxes deductible, capped as a decimal fraction of AGI
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c19200#

Description: Sch A: Interest deducted (component of pre-limitation c21060 total)
Datatype: float
IRS Form Location:
2013-20??: calculated variable

e19200_capped#

Description: Sch A: Interest deduction deductible, capped as a decimal fraction of AGI
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c19700#

Description: Sch A: Charity contributions deducted (component of pre-limitation c21060 total)
Datatype: float
IRS Form Location:
2013-20??: calculated variable

e19800_capped#

Description: Sch A: Charity cash contributions deductible, capped as a decimal fraction of AGI
Datatype: float
IRS Form Location:
2013-20??: calculated variable

e20100_capped#

Description: Sch A: Charity noncash contributions deductible, capped as a decimal fraction of AGI
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c20500#

Description: Sch A: Net casualty or theft loss deducted (component of pre-limitation c21060 total)
Datatype: float
IRS Form Location:
2013-20??: calculated variable

g20500_capped#

Description: Sch A: Gross casualty or theft loss deductible, capped as a decimal fraction of AGI
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c20800#

Description: Sch A: Net limited miscellaneous deductions deducted (component of pre-limitation c21060 total)
Datatype: float
IRS Form Location:
2013-20??: calculated variable

e20400_capped#

Description: Sch A: Gross miscellaneous deductions deductible, capped as a decimal fraction of AGI
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c21040#

Description: Itemized deductions that are phased out
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c21060#

Description: Itemized deductions before phase-out (zero for non-itemizers)
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c23650#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c59660#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

c62100#

Description: Alternative Minimum Tax (AMT) taxable income
Datatype: float
IRS Form Location:
2013-2016: 6251 line 28

c87668#

Description: American Opportunity Credit non-refundable amount from Form 8863 (included in c07230)
Datatype: float
IRS Form Location:
2013-20??: calculated variable

care_deduction#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

ctc_new#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

odc#

Description: Other Dependent Credit
Datatype: float
IRS Form Location:
2013-20??: calculated variable

personal_refundable_credit#

Description: Personal refundable credit
Datatype: float
IRS Form Location:
2013-20??: calculated variable

recovery_rebate_credit#

Description: Recovery Rebate Credit, from American Rescue Plan Act of 2021
Datatype: float
IRS Form Location:
2013-20??: calculated variable

personal_nonrefundable_credit#

Description: Personal nonrefundable credit
Datatype: float
IRS Form Location:
2013-20??: calculated variable

charity_credit#

Description: Credit for charitable giving
Datatype: float
IRS Form Location:
2013-20??: calculated variable

dwks10#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

dwks13#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

dwks14#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

dwks19#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

fstax#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

invinc_agi_ec#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

invinc_ec_base#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

lumpsum_tax#

Description: Lumpsum (or head) tax; appears as LSTAX variable in tc CLI minimal output
Datatype: float
IRS Form Location:
2013-20??: calculated variable

pre_c04600#

Description: Personal exemption before phase-out
Datatype: float
IRS Form Location:
2013-20??: calculated variable

codtc_limited#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

ptax_amc#

Description: Additional Medicare Tax from Form 8959 (included in payrolltax)
Datatype: float
IRS Form Location:
2013-2013: 1040 line 60a
2014-2016: 1040 line 62a

ptax_oasdi#

Description: Employee + employer OASDI FICA tax plus self-employment tax (excludes HI FICA so positive ptax_oasdi is less than ptax_was plus setax)
Datatype: float
IRS Form Location:
2013-2013: OASDI FICA plus 1040 line 56
2014-2016: OASDI FICA plus 1040 line 57

ptax_was#

Description: Employee + employer OASDI + HI FICA tax
Datatype: float
IRS Form Location:
2013-2013: OASDHI FICA
2014-2016: OASDHI FICA

setax#

Description: Self-employment tax
Datatype: float
IRS Form Location:
2013-2013: 1040 line 56
2014-2016: 1040 line 57

ymod#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

ymod1#

Description: search taxcalc/calcfunctions.py for how calculated and used
Datatype: float
IRS Form Location:
2013-20??: calculated variable

ubi#

Description: Universal Basic Income benefit for filing unit
Datatype: float
IRS Form Location:
2013-20??: calculated variable

taxable_ubi#

Description: Amount of UBI benefit included in AGI
Datatype: float
IRS Form Location:
2013-20??: calculated variable

nontaxable_ubi#

Description: Amount of UBI benefit excluded from AGI
Datatype: float
IRS Form Location:
2013-20??: calculated variable

mtr_paytax#

Description: Marginal payroll tax rate (in percentage terms) on extra taxpayer earnings (e00200p)
Datatype: float
IRS Form Location:
2013-20??: calculated variable

mtr_inctax#

Description: Marginal income tax rate (in percentage terms) on extra taxpayer earnings (e00200p)
Datatype: float
IRS Form Location:
2013-20??: calculated variable

aftertax_income#

Description: After tax income is equal to expanded_income minus combined
Datatype: float
IRS Form Location:
2013-20??: calculated variable

benefit_cost_total#

Description: Government cost of all benefits received by tax unit
Datatype: float
IRS Form Location:
2013-20??: calculated variable

benefit_value_total#

Description: Consumption value of all benefits received by tax unit, which is included in expanded_income
Datatype: float
IRS Form Location:
2013-20??: calculated variable