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Loan, Investment & ROI Finance Studio

Model loan/mortgage amortization with extra principal payments & CSV export, project compound interest growth, compute margin vs markup/tax, and evaluate break-even, ROI, and CAGR.

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Loan Amortization, Compound Interest & Margin/Tax: Model monthly loan/mortgage schedules with extra principal payments & CSV export, project compound growth, and compute margin/markup/VAT.

Loan Parameters
Payment & Payoff Summary
Scheduled Monthly Payment
$1,539.29
Total Interest Paid
$304,145.48
Total Principal + Interest
$554,145.48
Payoff Duration
30y 0m
Month-by-Month Amortization Schedule
MonthPaymentPrincipalInterestRemaining Balance
#1$1,539.29$237.21$1,302.08$249,762.79
#2$1,539.29$238.45$1,300.85$249,524.35
#3$1,539.29$239.69$1,299.61$249,284.66
#4$1,539.29$240.94$1,298.36$249,043.72
#5$1,539.29$242.19$1,297.10$248,801.53
#6$1,539.29$243.45$1,295.84$248,558.08
#7$1,539.29$244.72$1,294.57$248,313.36
#8$1,539.29$245.99$1,293.30$248,067.37
#9$1,539.29$247.28$1,292.02$247,820.09
#10$1,539.29$248.56$1,290.73$247,571.53
#11$1,539.29$249.86$1,289.44$247,321.67
#12$1,539.29$251.16$1,288.13$247,070.51
#13$1,539.29$252.47$1,286.83$246,818.04
#14$1,539.29$253.78$1,285.51$246,564.26
#15$1,539.29$255.10$1,284.19$246,309.16
#16$1,539.29$256.43$1,282.86$246,052.72
#17$1,539.29$257.77$1,281.52$245,794.96
#18$1,539.29$259.11$1,280.18$245,535.84
#19$1,539.29$260.46$1,278.83$245,275.38
#20$1,539.29$261.82$1,277.48$245,013.57
#21$1,539.29$263.18$1,276.11$244,750.39
#22$1,539.29$264.55$1,274.74$244,485.84
#23$1,539.29$265.93$1,273.36$244,219.91
#24$1,539.29$267.31$1,271.98$243,952.59
#25$1,539.29$268.71$1,270.59$243,683.88
#26$1,539.29$270.11$1,269.19$243,413.78
#27$1,539.29$271.51$1,267.78$243,142.27
#28$1,539.29$272.93$1,266.37$242,869.34
#29$1,539.29$274.35$1,264.94$242,594.99
#30$1,539.29$275.78$1,263.52$242,319.21
#31$1,539.29$277.21$1,262.08$242,042.00
#32$1,539.29$278.66$1,260.64$241,763.34
#33$1,539.29$280.11$1,259.18$241,483.23
#34$1,539.29$281.57$1,257.73$241,201.66
#35$1,539.29$283.03$1,256.26$240,918.63
#36$1,539.29$284.51$1,254.78$240,634.12
#37$1,539.29$285.99$1,253.30$240,348.13
#38$1,539.29$287.48$1,251.81$240,060.65
#39$1,539.29$288.98$1,250.32$239,771.67
#40$1,539.29$290.48$1,248.81$239,481.19
#41$1,539.29$292.00$1,247.30$239,189.20
#42$1,539.29$293.52$1,245.78$238,895.68
#43$1,539.29$295.04$1,244.25$238,600.64
#44$1,539.29$296.58$1,242.71$238,304.06
#45$1,539.29$298.13$1,241.17$238,005.93
#46$1,539.29$299.68$1,239.61$237,706.25
#47$1,539.29$301.24$1,238.05$237,405.01
#48$1,539.29$302.81$1,236.48$237,102.20
#49$1,539.29$304.39$1,234.91$236,797.82
#50$1,539.29$305.97$1,233.32$236,491.85
#51$1,539.29$307.56$1,231.73$236,184.28
#52$1,539.29$309.17$1,230.13$235,875.11
#53$1,539.29$310.78$1,228.52$235,564.34
#54$1,539.29$312.40$1,226.90$235,251.94
#55$1,539.29$314.02$1,225.27$234,937.92
#56$1,539.29$315.66$1,223.64$234,622.26
#57$1,539.29$317.30$1,221.99$234,304.96
#58$1,539.29$318.95$1,220.34$233,986.01
#59$1,539.29$320.62$1,218.68$233,665.39
#60$1,539.29$322.29$1,217.01$233,343.10
#61$1,539.29$323.96$1,215.33$233,019.14
#62$1,539.29$325.65$1,213.64$232,693.49
#63$1,539.29$327.35$1,211.95$232,366.14
#64$1,539.29$329.05$1,210.24$232,037.09
#65$1,539.29$330.77$1,208.53$231,706.32
#66$1,539.29$332.49$1,206.80$231,373.83
#67$1,539.29$334.22$1,205.07$231,039.61
#68$1,539.29$335.96$1,203.33$230,703.65
#69$1,539.29$337.71$1,201.58$230,365.94
#70$1,539.29$339.47$1,199.82$230,026.47
#71$1,539.29$341.24$1,198.05$229,685.23
#72$1,539.29$343.02$1,196.28$229,342.21
#73$1,539.29$344.80$1,194.49$228,997.41
#74$1,539.29$346.60$1,192.69$228,650.81
#75$1,539.29$348.40$1,190.89$228,302.41
#76$1,539.29$350.22$1,189.08$227,952.19
#77$1,539.29$352.04$1,187.25$227,600.15
#78$1,539.29$353.88$1,185.42$227,246.27
#79$1,539.29$355.72$1,183.57$226,890.55
#80$1,539.29$357.57$1,181.72$226,532.98
#81$1,539.29$359.43$1,179.86$226,173.55
#82$1,539.29$361.31$1,177.99$225,812.24
#83$1,539.29$363.19$1,176.11$225,449.06
#84$1,539.29$365.08$1,174.21$225,083.98
#85$1,539.29$366.98$1,172.31$224,717.00
#86$1,539.29$368.89$1,170.40$224,348.10
#87$1,539.29$370.81$1,168.48$223,977.29
#88$1,539.29$372.74$1,166.55$223,604.55
#89$1,539.29$374.69$1,164.61$223,229.86
#90$1,539.29$376.64$1,162.66$222,853.22
#91$1,539.29$378.60$1,160.69$222,474.62
#92$1,539.29$380.57$1,158.72$222,094.05
#93$1,539.29$382.55$1,156.74$221,711.50
#94$1,539.29$384.55$1,154.75$221,326.95
#95$1,539.29$386.55$1,152.74$220,940.41
#96$1,539.29$388.56$1,150.73$220,551.84
#97$1,539.29$390.59$1,148.71$220,161.26
#98$1,539.29$392.62$1,146.67$219,768.64
#99$1,539.29$394.66$1,144.63$219,373.97
#100$1,539.29$396.72$1,142.57$218,977.25
#101$1,539.29$398.79$1,140.51$218,578.47
#102$1,539.29$400.86$1,138.43$218,177.60
#103$1,539.29$402.95$1,136.34$217,774.65
#104$1,539.29$405.05$1,134.24$217,369.60
#105$1,539.29$407.16$1,132.13$216,962.44
#106$1,539.29$409.28$1,130.01$216,553.16
#107$1,539.29$411.41$1,127.88$216,141.75
#108$1,539.29$413.55$1,125.74$215,728.20
#109$1,539.29$415.71$1,123.58$215,312.49
#110$1,539.29$417.87$1,121.42$214,894.61
#111$1,539.29$420.05$1,119.24$214,474.56
#112$1,539.29$422.24$1,117.06$214,052.33
#113$1,539.29$424.44$1,114.86$213,627.89
#114$1,539.29$426.65$1,112.65$213,201.24
#115$1,539.29$428.87$1,110.42$212,772.37
#116$1,539.29$431.10$1,108.19$212,341.27
#117$1,539.29$433.35$1,105.94$211,907.92
#118$1,539.29$435.61$1,103.69$211,472.31
#119$1,539.29$437.87$1,101.42$211,034.44
#120$1,539.29$440.16$1,099.14$210,594.28
#121$1,539.29$442.45$1,096.85$210,151.83
#122$1,539.29$444.75$1,094.54$209,707.08
#123$1,539.29$447.07$1,092.22$209,260.01
#124$1,539.29$449.40$1,089.90$208,810.62
#125$1,539.29$451.74$1,087.56$208,358.88
#126$1,539.29$454.09$1,085.20$207,904.79
#127$1,539.29$456.46$1,082.84$207,448.33
#128$1,539.29$458.83$1,080.46$206,989.50
#129$1,539.29$461.22$1,078.07$206,528.28
#130$1,539.29$463.62$1,075.67$206,064.65
#131$1,539.29$466.04$1,073.25$205,598.61
#132$1,539.29$468.47$1,070.83$205,130.15
#133$1,539.29$470.91$1,068.39$204,659.24
#134$1,539.29$473.36$1,065.93$204,185.88
#135$1,539.29$475.82$1,063.47$203,710.05
#136$1,539.29$478.30$1,060.99$203,231.75
#137$1,539.29$480.79$1,058.50$202,750.96
#138$1,539.29$483.30$1,055.99$202,267.66
#139$1,539.29$485.82$1,053.48$201,781.84
#140$1,539.29$488.35$1,050.95$201,293.50
#141$1,539.29$490.89$1,048.40$200,802.61
#142$1,539.29$493.45$1,045.85$200,309.16
#143$1,539.29$496.02$1,043.28$199,813.15
#144$1,539.29$498.60$1,040.69$199,314.55
#145$1,539.29$501.20$1,038.10$198,813.35
#146$1,539.29$503.81$1,035.49$198,309.54
#147$1,539.29$506.43$1,032.86$197,803.11
#148$1,539.29$509.07$1,030.22$197,294.04
#149$1,539.29$511.72$1,027.57$196,782.32
#150$1,539.29$514.39$1,024.91$196,267.94
#151$1,539.29$517.06$1,022.23$195,750.87
#152$1,539.29$519.76$1,019.54$195,231.12
#153$1,539.29$522.46$1,016.83$194,708.65
#154$1,539.29$525.19$1,014.11$194,183.47
#155$1,539.29$527.92$1,011.37$193,655.55
#156$1,539.29$530.67$1,008.62$193,124.88
#157$1,539.29$533.43$1,005.86$192,591.44
#158$1,539.29$536.21$1,003.08$192,055.23
#159$1,539.29$539.01$1,000.29$191,516.22
#160$1,539.29$541.81$997.48$190,974.41
#161$1,539.29$544.63$994.66$190,429.78
#162$1,539.29$547.47$991.82$189,882.31
#163$1,539.29$550.32$988.97$189,331.98
#164$1,539.29$553.19$986.10$188,778.79
#165$1,539.29$556.07$983.22$188,222.72
#166$1,539.29$558.97$980.33$187,663.76
#167$1,539.29$561.88$977.42$187,101.88
#168$1,539.29$564.80$974.49$186,537.08
#169$1,539.29$567.75$971.55$185,969.33
#170$1,539.29$570.70$968.59$185,398.63
#171$1,539.29$573.68$965.62$184,824.95
#172$1,539.29$576.66$962.63$184,248.29
#173$1,539.29$579.67$959.63$183,668.62
#174$1,539.29$582.69$956.61$183,085.94
#175$1,539.29$585.72$953.57$182,500.22
#176$1,539.29$588.77$950.52$181,911.45
#177$1,539.29$591.84$947.46$181,319.61
#178$1,539.29$594.92$944.37$180,724.69
#179$1,539.29$598.02$941.27$180,126.67
#180$1,539.29$601.13$938.16$179,525.54
#181$1,539.29$604.26$935.03$178,921.27
#182$1,539.29$607.41$931.88$178,313.86
#183$1,539.29$610.57$928.72$177,703.29
#184$1,539.29$613.76$925.54$177,089.53
#185$1,539.29$616.95$922.34$176,472.58
#186$1,539.29$620.16$919.13$175,852.41
#187$1,539.29$623.40$915.90$175,229.02
#188$1,539.29$626.64$912.65$174,602.38
#189$1,539.29$629.91$909.39$173,972.47
#190$1,539.29$633.19$906.11$173,339.29
#191$1,539.29$636.48$902.81$172,702.80
#192$1,539.29$639.80$899.49$172,063.00
#193$1,539.29$643.13$896.16$171,419.87
#194$1,539.29$646.48$892.81$170,773.39
#195$1,539.29$649.85$889.44$170,123.54
#196$1,539.29$653.23$886.06$169,470.31
#197$1,539.29$656.64$882.66$168,813.67
#198$1,539.29$660.06$879.24$168,153.62
#199$1,539.29$663.49$875.80$167,490.12
#200$1,539.29$666.95$872.34$166,823.18
#201$1,539.29$670.42$868.87$166,152.75
#202$1,539.29$673.91$865.38$165,478.84
#203$1,539.29$677.42$861.87$164,801.42
#204$1,539.29$680.95$858.34$164,120.46
#205$1,539.29$684.50$854.79$163,435.96
#206$1,539.29$688.06$851.23$162,747.90
#207$1,539.29$691.65$847.65$162,056.25
#208$1,539.29$695.25$844.04$161,361.00
#209$1,539.29$698.87$840.42$160,662.13
#210$1,539.29$702.51$836.78$159,959.62
#211$1,539.29$706.17$833.12$159,253.45
#212$1,539.29$709.85$829.45$158,543.60
#213$1,539.29$713.55$825.75$157,830.06
#214$1,539.29$717.26$822.03$157,112.80
#215$1,539.29$721.00$818.30$156,391.80
#216$1,539.29$724.75$814.54$155,667.05
#217$1,539.29$728.53$810.77$154,938.52
#218$1,539.29$732.32$806.97$154,206.20
#219$1,539.29$736.14$803.16$153,470.06
#220$1,539.29$739.97$799.32$152,730.09
#221$1,539.29$743.82$795.47$151,986.27
#222$1,539.29$747.70$791.60$151,238.57
#223$1,539.29$751.59$787.70$150,486.98
#224$1,539.29$755.51$783.79$149,731.47
#225$1,539.29$759.44$779.85$148,972.03
#226$1,539.29$763.40$775.90$148,208.63
#227$1,539.29$767.37$771.92$147,441.26
#228$1,539.29$771.37$767.92$146,669.89
#229$1,539.29$775.39$763.91$145,894.50
#230$1,539.29$779.43$759.87$145,115.08
#231$1,539.29$783.49$755.81$144,331.59
#232$1,539.29$787.57$751.73$143,544.03
#233$1,539.29$791.67$747.63$142,752.36
#234$1,539.29$795.79$743.50$141,956.57
#235$1,539.29$799.94$739.36$141,156.63
#236$1,539.29$804.10$735.19$140,352.53
#237$1,539.29$808.29$731.00$139,544.24
#238$1,539.29$812.50$726.79$138,731.74
#239$1,539.29$816.73$722.56$137,915.01
#240$1,539.29$820.99$718.31$137,094.02
#241$1,539.29$825.26$714.03$136,268.76
#242$1,539.29$829.56$709.73$135,439.20
#243$1,539.29$833.88$705.41$134,605.32
#244$1,539.29$838.22$701.07$133,767.10
#245$1,539.29$842.59$696.70$132,924.51
#246$1,539.29$846.98$692.32$132,077.53
#247$1,539.29$851.39$687.90$131,226.14
#248$1,539.29$855.82$683.47$130,370.32
#249$1,539.29$860.28$679.01$129,510.03
#250$1,539.29$864.76$674.53$128,645.27
#251$1,539.29$869.27$670.03$127,776.01
#252$1,539.29$873.79$665.50$126,902.21
#253$1,539.29$878.34$660.95$126,023.87
#254$1,539.29$882.92$656.37$125,140.95
#255$1,539.29$887.52$651.78$124,253.44
#256$1,539.29$892.14$647.15$123,361.30
#257$1,539.29$896.79$642.51$122,464.51
#258$1,539.29$901.46$637.84$121,563.05
#259$1,539.29$906.15$633.14$120,656.90
#260$1,539.29$910.87$628.42$119,746.03
#261$1,539.29$915.62$623.68$118,830.41
#262$1,539.29$920.38$618.91$117,910.03
#263$1,539.29$925.18$614.11$116,984.85
#264$1,539.29$930.00$609.30$116,054.85
#265$1,539.29$934.84$604.45$115,120.01
#266$1,539.29$939.71$599.58$114,180.30
#267$1,539.29$944.60$594.69$113,235.70
#268$1,539.29$949.52$589.77$112,286.17
#269$1,539.29$954.47$584.82$111,331.71
#270$1,539.29$959.44$579.85$110,372.27
#271$1,539.29$964.44$574.86$109,407.83
#272$1,539.29$969.46$569.83$108,438.37
#273$1,539.29$974.51$564.78$107,463.86
#274$1,539.29$979.59$559.71$106,484.27
#275$1,539.29$984.69$554.61$105,499.58
#276$1,539.29$989.82$549.48$104,509.77
#277$1,539.29$994.97$544.32$103,514.80
#278$1,539.29$1,000.15$539.14$102,514.64
#279$1,539.29$1,005.36$533.93$101,509.28
#280$1,539.29$1,010.60$528.69$100,498.68
#281$1,539.29$1,015.86$523.43$99,482.82
#282$1,539.29$1,021.15$518.14$98,461.67
#283$1,539.29$1,026.47$512.82$97,435.19
#284$1,539.29$1,031.82$507.47$96,403.38
#285$1,539.29$1,037.19$502.10$95,366.18
#286$1,539.29$1,042.59$496.70$94,323.59
#287$1,539.29$1,048.02$491.27$93,275.57
#288$1,539.29$1,053.48$485.81$92,222.08
#289$1,539.29$1,058.97$480.32$91,163.11
#290$1,539.29$1,064.49$474.81$90,098.63
#291$1,539.29$1,070.03$469.26$89,028.60
#292$1,539.29$1,075.60$463.69$87,953.00
#293$1,539.29$1,081.20$458.09$86,871.79
#294$1,539.29$1,086.84$452.46$85,784.96
#295$1,539.29$1,092.50$446.80$84,692.46
#296$1,539.29$1,098.19$441.11$83,594.27
#297$1,539.29$1,103.91$435.39$82,490.37
#298$1,539.29$1,109.66$429.64$81,380.71
#299$1,539.29$1,115.44$423.86$80,265.28
#300$1,539.29$1,121.24$418.05$79,144.03
#301$1,539.29$1,127.08$412.21$78,016.95
#302$1,539.29$1,132.95$406.34$76,883.99
#303$1,539.29$1,138.86$400.44$75,745.14
#304$1,539.29$1,144.79$394.51$74,600.35
#305$1,539.29$1,150.75$388.54$73,449.60
#306$1,539.29$1,156.74$382.55$72,292.86
#307$1,539.29$1,162.77$376.53$71,130.09
#308$1,539.29$1,168.82$370.47$69,961.27
#309$1,539.29$1,174.91$364.38$68,786.36
#310$1,539.29$1,181.03$358.26$67,605.32
#311$1,539.29$1,187.18$352.11$66,418.14
#312$1,539.29$1,193.37$345.93$65,224.78
#313$1,539.29$1,199.58$339.71$64,025.20
#314$1,539.29$1,205.83$333.46$62,819.37
#315$1,539.29$1,212.11$327.18$61,607.26
#316$1,539.29$1,218.42$320.87$60,388.84
#317$1,539.29$1,224.77$314.53$59,164.07
#318$1,539.29$1,231.15$308.15$57,932.92
#319$1,539.29$1,237.56$301.73$56,695.36
#320$1,539.29$1,244.00$295.29$55,451.36
#321$1,539.29$1,250.48$288.81$54,200.88
#322$1,539.29$1,257.00$282.30$52,943.88
#323$1,539.29$1,263.54$275.75$51,680.34
#324$1,539.29$1,270.12$269.17$50,410.21
#325$1,539.29$1,276.74$262.55$49,133.47
#326$1,539.29$1,283.39$255.90$47,850.08
#327$1,539.29$1,290.07$249.22$46,560.01
#328$1,539.29$1,296.79$242.50$45,263.21
#329$1,539.29$1,303.55$235.75$43,959.67
#330$1,539.29$1,310.34$228.96$42,649.33
#331$1,539.29$1,317.16$222.13$41,332.17
#332$1,539.29$1,324.02$215.27$40,008.15
#333$1,539.29$1,330.92$208.38$38,677.23
#334$1,539.29$1,337.85$201.44$37,339.38
#335$1,539.29$1,344.82$194.48$35,994.57
#336$1,539.29$1,351.82$187.47$34,642.74
#337$1,539.29$1,358.86$180.43$33,283.88
#338$1,539.29$1,365.94$173.35$31,917.94
#339$1,539.29$1,373.05$166.24$30,544.89
#340$1,539.29$1,380.21$159.09$29,164.68
#341$1,539.29$1,387.39$151.90$27,777.29
#342$1,539.29$1,394.62$144.67$26,382.67
#343$1,539.29$1,401.88$137.41$24,980.79
#344$1,539.29$1,409.18$130.11$23,571.60
#345$1,539.29$1,416.52$122.77$22,155.08
#346$1,539.29$1,423.90$115.39$20,731.18
#347$1,539.29$1,431.32$107.97$19,299.86
#348$1,539.29$1,438.77$100.52$17,861.09
#349$1,539.29$1,446.27$93.03$16,414.82
#350$1,539.29$1,453.80$85.49$14,961.02
#351$1,539.29$1,461.37$77.92$13,499.65
#352$1,539.29$1,468.98$70.31$12,030.67
#353$1,539.29$1,476.63$62.66$10,554.03
#354$1,539.29$1,484.32$54.97$9,069.71
#355$1,539.29$1,492.05$47.24$7,577.65
#356$1,539.29$1,499.83$39.47$6,077.83
#357$1,539.29$1,507.64$31.66$4,570.19
#358$1,539.29$1,515.49$23.80$3,054.70
#359$1,539.29$1,523.38$15.91$1,531.32
#360$1,539.29$1,531.32$7.98$0.00
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What is Loan, Investment & ROI Finance Studio?

Finance, Loan & Margin Studio models monthly loan/mortgage amortization tables (with extra principal paydown & CSV export), projects compound interest with recurring contributions, and computes gross margin, markup, VAT/sales tax, ROI %, annualized CAGR %, and unit break-even points.

How to use Loan, Investment & ROI Finance Studio in 3 steps
  1. 1

    Switch between Loan/Compound/Margin and ROI/CAGR/Break-Even

    Enter principal, APR, term, investment values, or fixed/variable unit costs.

  2. 2

    Inspect monthly schedules and interest savings

    Review exact payoff months saved by extra principal payments or contribution margin per unit.

  3. 3

    Download full amortization CSV

    Open your month-by-month payment schedule in Excel, Numbers, or Google Sheets.

Key features and benefits
  • Combines consumer loan/compound calculators with founder/operator margin, CAGR, and break-even tools.
  • Exports complete amortization tables to standard CSV locally.
Common use cases

Comparing 15-year vs 30-year mortgages with extra monthly principal payments.

Calculating SaaS or e-commerce unit break-even thresholds and multi-year CAGR.

Why browser-based works better

Loan, Investment & ROI Finance Studio consolidates related finance & engineering studios workflows into one cohesive, multi-mode browser studio — eliminating tab-hopping across fragmented single-purpose tools.

Every mode executes locally using Web APIs and audited client-side libraries, so private files, tokens, and source code never leave your device.

Loan, Investment & ROI Finance Studio FAQs

Quick answers about the workflow, privacy, and where this tool fits in a broader job.

What is the difference between gross margin and markup?

Gross margin divides profit by selling price, whereas markup divides profit by cost.

Keep the workflow moving with nearby tools that solve the next likely step.

Built and maintained by

Free AI Tools Engineering Team

Browser Tooling & Web Platform Engineering

Last updated:

Tested in Chrome, Firefox, and Safari on desktop and mobile.

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