Table of Laplace Transforms

This is not a complete list of Laplace transforms, but it contains all common transforms, which can be used to quickly find solutions of differential equations and integrals:

f(t)=L1(F(s)){f{{\left({t}\right)}}}={{L}}^{{-{1}}}{\left({F}{\left({s}\right)}\right)} F(s)=L(f(t)){F}{\left({s}\right)}={L}{\left({f{{\left({t}\right)}}}\right)}
1{1} 1s\frac{{1}}{{s}}
tn{{t}}^{{n}}, n=0,1,2,3{n}={0},{1},{2},{3}\ldots n!sn+1\frac{{{n}!}}{{{{s}}^{{{n}+{1}}}}}
tn{{t}}^{{n}}, n>1{n}>-{1} Γ(n+1)sn+1\frac{{\Gamma{\left({n}+{1}\right)}}}{{{s}}^{{{n}+{1}}}}
eat{{e}}^{{{a}{t}}} 1sa\frac{{1}}{{{s}-{a}}}
tn12{{t}}^{{{n}-\frac{{1}}{{2}}}}, n=1,2,3{n}={1},{2},{3}\ldots 135(2n1)π2nsn+12\frac{{{1}\cdot{3}\cdot{5}\cdot\ldots\cdot{\left({2}{n}-{1}\right)}\cdot\sqrt{{\pi}}}}{{{{2}}^{{n}}{{s}}^{{{n}+\frac{{1}}{{2}}}}}}
t\sqrt{{{t}}} π2s32\frac{\sqrt{{\pi}}}{{{2}{{s}}^{{\frac{{3}}{{2}}}}}}
sin(at){\sin{{\left({a}{t}\right)}}} as2+a2\frac{{a}}{{{{s}}^{{2}}+{{a}}^{{2}}}}
cos(at){\cos{{\left({a}{t}\right)}}} ss2+a2\frac{{s}}{{{{s}}^{{2}}+{{a}}^{{2}}}}
sinh(at){\sinh{{\left({a}{t}\right)}}} as2a2\frac{{a}}{{{{s}}^{{2}}-{{a}}^{{2}}}}
cosh(at){\cosh{{\left({a}{t}\right)}}} ss2a2\frac{{s}}{{{{s}}^{{2}}-{{a}}^{{2}}}}
tsin(at){t}{\sin{{\left({a}{t}\right)}}} 2as(s2+a2)2\frac{{{2}{a}{s}}}{{{\left({{s}}^{{2}}+{{a}}^{{2}}\right)}}^{{2}}}
tcos(at){t}{\cos{{\left({a}{t}\right)}}} s2a2(s2+a2)2\frac{{{{s}}^{{2}}-{{a}}^{{2}}}}{{{\left({{s}}^{{2}}+{{a}}^{{2}}\right)}}^{{2}}}
sin(at+b){\sin{{\left({a}{t}+{b}\right)}}} ssin(b)+acos(b)s2+a2\frac{{{s}\cdot{\sin{{\left({b}\right)}}}+{a}\cdot{\cos{{\left({b}\right)}}}}}{{{{s}}^{{2}}+{{a}}^{{2}}}}
cos(at+b){\cos{{\left({a}{t}+{b}\right)}}} scos(b)asin(b)s2+a2\frac{{{s}\cdot{\cos{{\left({b}\right)}}}-{a}\cdot{\sin{{\left({b}\right)}}}}}{{{{s}}^{{2}}+{{a}}^{{2}}}}
eatsin(bt){{e}}^{{{a}{t}}}{\sin{{\left({b}{t}\right)}}} b(sa)2+b2\frac{{b}}{{{{\left({s}-{a}\right)}}^{{2}}+{{b}}^{{2}}}}
eatcos(bt){{e}}^{{{a}{t}}}{\cos{{\left({b}{t}\right)}}} sa(sa)2+b2\frac{{{s}-{a}}}{{{{\left({s}-{a}\right)}}^{{2}}+{{b}}^{{2}}}}
eatsinh(bt){{e}}^{{{a}{t}}}{\sinh{{\left({b}{t}\right)}}} b(sa)2b2\frac{{b}}{{{{\left({s}-{a}\right)}}^{{2}}-{{b}}^{{2}}}}
eatcosh(bt){{e}}^{{{a}{t}}}{\cosh{{\left({b}{t}\right)}}} sa(sa)2b2\frac{{{s}-{a}}}{{{{\left({s}-{a}\right)}}^{{2}}-{{b}}^{{2}}}}
tneat{{t}}^{{n}}{{e}}^{{{a}{t}}}, n=1,2,3{n}={1},{2},{3}\ldots n!(sa)n+1\frac{{{n}!}}{{{\left({s}-{a}\right)}}^{{{n}+{1}}}}
f(ct){f{{\left({c}{t}\right)}}} 1cF(sc)\frac{{1}}{{c}}{F}{\left(\frac{{s}}{{c}}\right)}
uc(t)=u(tc){u}_{{c}}{\left({t}\right)}={u}{\left({t}-{c}\right)} ecss\frac{{{e}}^{{-{c}{s}}}}{{s}}
uc(t)f(tc){u}_{{c}}{\left({t}\right)}{f{{\left({t}-{c}\right)}}} ecsF(s){{e}}^{{-{c}{s}}}{F}{\left({s}\right)}
δ(tc)\delta{\left({t}-{c}\right)} ecs{{e}}^{{-{c}{s}}}
ectf(t){{e}}^{{{c}{t}}}{f{{\left({t}\right)}}} F(sc){F}{\left({s}-{c}\right)}
tnf(t){{t}}^{{n}}{f{{\left({t}\right)}}}, n=1,2,3{n}={1},{2},{3}\ldots (1)nF(n)(s){{\left(-{1}\right)}}^{{n}}{{F}}^{{{\left({n}\right)}}}{\left({s}\right)}
0tf(τ)dτ{\int_{{0}}^{{t}}}{f{{\left(\tau\right)}}}{d}\tau F(s)s\frac{{{F}{\left({s}\right)}}}{{s}}
0tf(tτ)g(τ)dτ{\int_{{0}}^{{t}}}{f{{\left({t}-\tau\right)}}}{g{{\left(\tau\right)}}}{d}\tau F(s)G(s){F}{\left({s}\right)}{G}{\left({s}\right)}
f(t){f{'}}{\left({t}\right)} sF(s)f(0){s}{F}{\left({s}\right)}-{f{{\left({0}\right)}}}
f(t){f{''}}{\left({t}\right)} s2F(s)sf(0)f(0){{s}}^{{2}}{F}{\left({s}\right)}-{s}{f{{\left({0}\right)}}}-{f{'}}{\left({0}\right)}
f(n)(t){{f}}^{{{\left({n}\right)}}}{\left({t}\right)} snF(s)k=0n1(sn1kf(k)(0)){{s}}^{{n}}{F}{\left({s}\right)}-{\sum_{{{k}={0}}}^{{{n}-{1}}}}{\left({{s}}^{{{n}-{1}-{k}}}{{f}}^{{{\left({k}\right)}}}{\left({0}\right)}\right)}